Rohde & Schwarz SMC100A Operating Manual
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Rohde & Schwarz SMC100A Operating Manual

Signal generator
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Table of Contents

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R&S
SMC100A
Signal Generator
Operating Manual
(>;XÊP)
1411.4060.32 ─ 09

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  • Page 1 ® R&S SMC100A Signal Generator Operating Manual (>;XÊP) 1411.4060.32 ─ 09...
  • Page 2 Rohde & Schwarz GmbH & Co. KG. Trade names are trademarks of their owners. ® ® The following abbreviations are used throughout this manual: R&S SMC100A is abbreviated as R&S SMC, and R&S NRP-Zxx power sensors are abbreviated as R&S NRP sensors.
  • Page 3 Basic Safety Instructions Always read through and comply with the following safety instructions! All plants and locations of the Rohde & Schwarz group of companies make every effort to keep the safety standards of our products up to date and to offer our customers the highest possible degree of safety. Our products and the auxiliary equipment they require are designed, built and tested in accordance with the safety standards that apply in each case.
  • Page 4 Basic Safety Instructions Symbol Meaning Symbol Meaning Caution ! Hot surface Alternating current (AC) Protective conductor terminal Direct/alternating current (DC/AC) To identify any terminal which is intended for connection to an external conductor for protection against electric shock in case of a fault, or the terminal of a protective earth Earth (Ground) Class II Equipment...
  • Page 5 Basic Safety Instructions Operating states and operating positions The product may be operated only under the operating conditions and in the positions specified by the manufacturer, without the product's ventilation being obstructed. If the manufacturer's specifications are not observed, this can result in electric shock, fire and/or serious personal injury or death. Applicable local or national safety regulations and rules for the prevention of accidents must be observed in all work performed.
  • Page 6 Basic Safety Instructions 6. The product may be operated only from TN/TT supply networks fuse-protected with max. 16 A (higher fuse only after consulting with the Rohde & Schwarz group of companies). 7. Do not insert the plug into sockets that are dusty or dirty. Insert the plug firmly and all the way into the socket provided for this purpose.
  • Page 7 Basic Safety Instructions 2. Before you move or transport the product, read and observe the section titled "Transport". 3. As with all industrially manufactured goods, the use of substances that induce an allergic reaction (allergens) such as nickel cannot be generally excluded. If you develop an allergic reaction (such as a skin rash, frequent sneezing, red eyes or respiratory difficulties) when using a Rohde &...
  • Page 8 Basic Safety Instructions 2. Adjustments, replacement of parts, maintenance and repair may be performed only by electrical experts authorized by Rohde & Schwarz. Only original parts may be used for replacing parts relevant to safety (e.g. power switches, power transformers, fuses). A safety test must always be performed after parts relevant to safety have been replaced (visual inspection, protective conductor test, insulation resistance measurement, leakage current measurement, functional test).
  • Page 9 Instrucciones de seguridad elementales 3. If you use the product in a vehicle, it is the sole responsibility of the driver to drive the vehicle safely and properly. The manufacturer assumes no responsibility for accidents or collisions. Never use the product in a moving vehicle if doing so could distract the driver of the vehicle.
  • Page 10 Instrucciones de seguridad elementales Además queda en la responsabilidad del usuario utilizar el producto en la forma debida. Este producto está destinado exclusivamente al uso en la industria y el laboratorio o, si ha sido expresamente autorizado, para aplicaciones de campo y de ninguna manera deberá ser utilizado de modo que alguna persona/cosa pueda sufrir daño.
  • Page 11 Instrucciones de seguridad elementales Símbolo Significado Símbolo Significado Conexión a tierra El aparato está protegido en su totalidad por un aislamiento doble (reforzado) Conexión a masa Distintivo de la UE para baterías y acumuladores Más información en la sección "Eliminación/protección del medio ambiente", punto 1.
  • Page 12 Instrucciones de seguridad elementales Estados operativos y posiciones de funcionamiento El producto solamente debe ser utilizado según lo indicado por el fabricante respecto a los estados operativos y posiciones de funcionamiento sin que se obstruya la ventilación. Si no se siguen las indicaciones del fabricante, pueden producirse choques eléctricos, incendios y/o lesiones graves con posible consecuencia de muerte.
  • Page 13 Instrucciones de seguridad elementales integran productos sin interruptor en bastidores o instalaciones, se deberá colocar el interruptor en el nivel de la instalación. 5. No utilice nunca el producto si está dañado el cable de conexión a red. Compruebe regularmente el correcto estado de los cables de conexión a red.
  • Page 14 Instrucciones de seguridad elementales 17. No utilice el producto en condiciones en las que pueda producirse o ya se hayan producido condensaciones sobre el producto o en el interior de éste, como p. ej. al desplazarlo de un lugar frío a otro caliente.
  • Page 15 Instrucciones de seguridad elementales pueden causar perturbaciones radioeléctricas en entornos residenciales debido a posibles perturbaciones guiadas o radiadas. En este caso, se le podrá solicitar al operador que tome las medidas adecuadas para eliminar estas perturbaciones.  Aparato de clase B: Aparato adecuado para su uso en entornos residenciales, así...
  • Page 16 Instrucciones de seguridad elementales 8. En caso de devolver baterías de litio a las filiales de Rohde & Schwarz, debe cumplirse las normativas sobre los modos de transporte (IATA-DGR, código IMDG, ADR, RID). Transporte 1. El producto puede tener un peso elevado. Por eso es necesario desplazarlo o transportarlo con precaución y, si es necesario, usando un sistema de elevación adecuado (p.

  • Page 17: Customer Support

    Customer Support Technical support – where and when you need it For quick, expert help with any Rohde & Schwarz equipment, contact one of our Customer Support Centers. A team of highly qualified engineers provides telephone support and will work with you to find a solution to your query on any aspect of the operation, programming or applications of Rohde &...

  • Page 18: Table Of Contents

    ® Contents R&S SMC100A Contents 1 Preface....................13 Documentation Overview................... 13 Typographical Conventions..................14 Notes on Screenshots....................14 2 Preparing for Use................. 15 Front Panel Tour......................15 2.1.1 Utility Keys........................16 2.1.2 Standby LEDs and Standby Key...................17 2.1.3 Display.......................... 17 2.1.4 Setup Keys........................17...
  • Page 19 ® Contents R&S SMC100A Linux Operating System.....................32 Setting Up a Network (LAN) Connection..............34 2.6.1 Connecting the Instrument to the Network..............34 2.6.2 Assigning the IP Address....................35 2.6.3 Using Computer Names....................36 Remote Access via an External Controller...............37 2.7.1 Using a Web Browser for Remote Access..............38 2.7.2...
  • Page 20 ® Contents R&S SMC100A 4.4.5 Working with Units ....................... 66 4.4.6 Selecting a Value from a List..................67 4.4.7 Terminating Entries with Confirmation................68 4.4.8 Restoring the Previous Value..................68 Editors..........................69 4.5.1 Working with List Editor....................69 How to Use the Help System..................71 File Management......................
  • Page 21 ® Contents R&S SMC100A 5.2.3.15 Security......................... 99 5.2.3.16 Save/Recall......................... 105 5.2.3.17 Factory Preset......................105 5.2.3.18 Help..........................106 5.2.4 Switching to Manual Control - Local Key..............106 5.2.5 Generating a Hard Copy of the Display..............107 5.2.5.1 Hard Copy Settings..................... 107 5.2.5.2 Hardcopy Options....................... 108 5.2.6...
  • Page 22 ® Contents R&S SMC100A 5.3.5.3 Power-On/EMF Settings..................... 133 5.3.5.4 Automatic Level Control - ALC..................134 5.3.5.5 NRP-Z Level Control....................135 5.3.5.6 User Correction......................140 5.3.5.7 Reverse Power Protection..................147 5.3.6 RF Measurement......................148 5.3.6.1 NRP-Z Power Viewer....................148 5.3.7 RF Sweep Mode......................156 5.3.7.1...
  • Page 23 ® Contents R&S SMC100A 6.1.2 Messages........................191 6.1.3 LAN Interface......................192 6.1.3.1 HiSLIP Protocol......................194 6.1.3.2 VXI-11 Protocol......................194 6.1.3.3 Socket Communication....................194 6.1.3.4 LAN Interface Messages.....................195 6.1.4 USB Interface......................195 6.1.5 Serial Interface......................196 6.1.6 GPIB Interface (IEC/IEEE Bus Interface)..............196 6.1.6.1 GPIB Interface Messages................... 197 6.1.6.2...
  • Page 24 ® Contents R&S SMC100A 6.3.6 Responses to Queries....................220 Command Sequence and Synchronization............221 6.4.1 Preventing Overlapping Execution................222 Status Reporting System..................223 6.5.1 Hierarchy of the Status Registers................223 6.5.2 Structure of a SCPI Status Register................225 6.5.3 Status Byte (STB) and Service Request Enable Register (SRE)........227 6.5.4...
  • Page 25 ® Contents R&S SMC100A 7.12 SENSe, READ and INITiate Subsystems..............268 7.13 SOURce Subsystem....................277 7.13.1 SOURce:AM Subsystem.....................277 7.13.2 SOURce:CORRection Subsystem................279 7.13.3 SOURce:FM Subsystem..................... 288 7.13.4 SOURce:FREQuency Subsystem................291 7.13.5 SOURce:INPut Subsystem..................298 7.13.6 SOURce:LFOutput Subsystem................... 299 7.13.7 SOURce:MODulation Subsystem................308 7.13.8 SOURce:PGEN Subsystem..................
  • Page 26 ® Contents R&S SMC100A Device-Specific Error Messages................376 Resolving Network Connection Failures..............378 Obtaining Technical Support................... 379 Annex....................380 A Hardware Interfaces................380 GPIB Bus Interface....................380 List of Commands................382 Index....................389 Operating Manual 1411.4060.32 ─ 09...
  • Page 27 ® Contents R&S SMC100A Operating Manual 1411.4060.32 ─ 09...

  • Page 28: Preface

    ® Preface R&S SMC100A Documentation Overview 1 Preface 1.1 Documentation Overview This section provides an overview of the R&S SMC user documentation. You find it on the product page at: http://www.rohde-schwarz.com/product/SMC100A.html > "Downloads" Quick start guide Introduces the R&S SMC and describes how to set up and start working with the prod- uct.

  • Page 29: Typographical Conventions

    ® Preface R&S SMC100A Notes on Screenshots The brochure provides an overview of the instrument and deals with the specific char- acteristics. Release notes and open source acknowledgment (OSA) The release notes list new features, improvements and known issues of the current firmware version, and describe the firmware installation.

  • Page 30: Preparing For Use

    ® Preparing for Use R&S SMC100A Front Panel Tour 2 Preparing for Use The following topics help you to get familiar with the instrument and perform the first steps: ● Front Panel Tour ● Rear Panel Tour ● Putting into Operation This section explains the control elements and connectors of the Signal Generator R&S SMC with the aid of the front and rear views and describes how to put the instru-...

  • Page 31: Utility Keys

    ® Preparing for Use R&S SMC100A Front Panel Tour Figure 2-1: Front panel view 2.1.1 Utility Keys The keys to the left of the display cause the R&S SMC to return to a definite instrument state and provide information on the instrument and assistance.

  • Page 32: Standby Leds And Standby Key

    ® Preparing for Use R&S SMC100A Front Panel Tour 2.1.2 Standby LEDs and Standby Key The standby LEDs and the ON/STANDBY key are located in the bottom left corner of the front panel. The ON/STANDBY key toggles the instrument between standby and ready state (indi- cated by the standby LEDs).

  • Page 33: Display Keys

    ® Preparing for Use R&S SMC100A Front Panel Tour These keys provide direct access to the settings in the header of the instrument for fast setting the RF signal. For more information refer to chapter "Instrument Functions". FREQ Activates frequency entry.

  • Page 34: Keypad For Data Entry

    ® Preparing for Use R&S SMC100A Front Panel Tour RF ON/OFF Switches the RF signal on and off. "RF OFF" is displayed in the header next to the "Frequency" field. 2.1.5 Keypad for data entry The keys in the data entry keypad are used to enter alphanumeric data and units.

  • Page 35: Rotary Knob And Navigation Keys

    ® Preparing for Use R&S SMC100A Front Panel Tour 2.1.6 Rotary Knob and Navigation Keys The rotary knob and the arrow keys are alternative control elements for data variation and navigation in the graphical user interface. ROTARY KNOB The rotary knob has several functions: ●...

  • Page 36: Rear Panel Tour

    ® Preparing for Use R&S SMC100A Rear Panel Tour Output for internal LF modulation generator signal. See also data sheet and Chapter 5.5.1, "Overview of LF Generator", on page 179, Chapter 5.5.2, "LF Output", on page 179. RF 50 Ohm Output for RF signal.

  • Page 37: Description Of The Connectors

    ® Preparing for Use R&S SMC100A Rear Panel Tour Figure 2-2: Rear panel view 2.2.1 Description of the Connectors AC SUPPLY AND POWER SWITCH When the R&S SMC is connected to the AC supply, it automatically sets itself to the correct range for the applied voltage (range: see type label).
  • Page 38 ® Preparing for Use R&S SMC100A Rear Panel Tour IEC 625/IEEE 488 IEC-bus (IEEE 488) interface for remote control of the instrument. See also Chapter A.1, "GPIB Bus Interface", on page 380 and Chapter 6.1.6, "GPIB Interface (IEC/IEEE Bus Interface)", on page 196.

  • Page 39: Putting Into Operation

    ® Preparing for Use R&S SMC100A Putting into Operation USB CONNECTORS TYPE A USB (universal serial bus) interfaces of type A (host USB). ● Connection of peripherals such as mouse, keyboard, etc. ● Connection of memory stick for file transmission ●...

  • Page 40: Emi Suppression

    ® Preparing for Use R&S SMC100A Putting into Operation Risk of electrostatic discharge (ESD) Electrostatic discharge (ESD) can damage the electronic components of the instrument and the device under test (DUT). ESD is most likely to occur when you connect or dis- connect a DUT or test fixture to the instrument's test ports.

  • Page 41: Placing Or Mounting The Instrument

    ® Preparing for Use R&S SMC100A Putting into Operation 2. Carefully remove the pads from the instrument handles at the front. 3. Pull off the corrugated cardboard cover that protects the rear of the instrument. 4. Carefully unthread the corrugated cardboard cover at the front that protects the instrument handles and remove it.

  • Page 42: Connecting The Instrument To The Ac Supply

    ® Preparing for Use R&S SMC100A Putting into Operation Risk of injury and instrument damage if stacking instruments A stack of instruments may tilt over and cause injury. Furthermore, the instruments at the bottom of the stack may be damaged due to the load imposed by the instruments on top.

  • Page 43: Starting The Instrument

    ® Preparing for Use R&S SMC100A Putting into Operation ► Connect the instrument to the AC power source using the AC power cable deliv- ered with the instrument. Note: The instrument is in compliance with safety class EN61010-1. Connect the instrument only to a socket with earthing contact.

  • Page 44: Function Check

    ® Preparing for Use R&S SMC100A Putting into Operation Once the startup procedure has been terminated, the block diagram opened in the pre- vious session is displayed and the instrument is ready for operation. Use the PRESET key to return the instrument to its definite reset/preset state, if the current setup is not anymore relevant.

  • Page 45: Shutting Down The Instrument

    ® Preparing for Use R&S SMC100A Putting into Operation ● Preset the instrument to its factory settings The instrument can also be forced to load its default factory settings. To access the corresponding dialog box, press the SETUP key and select the "Factory Preset".

  • Page 46: Power Fuses

    ® Preparing for Use R&S SMC100A Connecting External Accessories Risk of losing data If you switch off the running instrument using the rear panel switch or by disconnecting the power cord, the instrument loses its current settings. Furthermore, program data may be lost.

  • Page 47: Linux Operating System

    ® Preparing for Use R&S SMC100A Linux Operating System The following list shows various USB devices that can be useful: ● Memory stick for easy transfer of data to/from a computer (for example firmware updates). ● CD-ROM drives for easy installation of firmware applications.
  • Page 48 ® Preparing for Use R&S SMC100A Linux Operating System Risk of causing instrument unusability The instrument is equipped with the Linux operating system. Additional software can therefore be installed on the instrument. The use and installation of additional software may impair instrument function. Thus, run only programs that Rohde & Schwarz has tested for compatibility with the instrument software.

  • Page 49: Setting Up A Network (Lan) Connection

    ® Preparing for Use R&S SMC100A Setting Up a Network (LAN) Connection Screen saver A screen saver can be activated in the R&S SMC. When active, the display is shut off when no entries via front panel, external mouse or external keyboard are made for a period of time.

  • Page 50: Assigning The Ip Address

    ® Preparing for Use R&S SMC100A Setting Up a Network (LAN) Connection To set up a network (LAN) connection Risk of network failure Before connecting the instrument to the network or configuring the network, consult your network administrator. Errors may affect the entire network.

  • Page 51: Using Computer Names

    ® Preparing for Use R&S SMC100A Setting Up a Network (LAN) Connection Risk of network errors! Connection errors can affect the entire network. If your network does not support DHCP, or if you choose to disable dynamic TCP/IP configuration, you must assign valid address information before connecting the instru- ment to the LAN.

  • Page 52: Remote Access Via An External Controller

    ® Preparing for Use R&S SMC100A Remote Access via an External Controller Each instrument is delivered with an assigned computer name, but this name can be changed. The default instrument name is a non-case-sensitive string that follows the syntax rs<instrument><serial number>.

  • Page 53: Using A Web Browser For Remote Access

    ® Preparing for Use R&S SMC100A Remote Access via an External Controller Table 2-1: Remote access via an external computer Remote access via Installation of the additional application connec- on the on the remote tion instrument computer Any web browser...

  • Page 54: Remote Access Via A Vnc Client Software

    ® Preparing for Use R&S SMC100A Remote Access via an External Controller To remote access the instrument via a web browser: 1. Connect the instrument and the remote computer to a LAN, see Chapter 2.6.1, "Connecting the Instrument to the Network",...
  • Page 55 ® Preparing for Use R&S SMC100A Remote Access via an External Controller Risk of Unauthorized Access If the VNC service is enabled on the instrument, any user in the network who knows the computer name and password can access it.
  • Page 56 ® Preparing for Use R&S SMC100A Remote Access via an External Controller a) Select installation of all components. b) In the "Additional Task Panel", enable all entries. A successful installation is indicated by a message. At the same time a warning is displayed stating that a password must be set.
  • Page 57 ® Preparing for Use R&S SMC100A Remote Access via an External Controller 5. Enter a password with a length of at least five digits. This password is used on the remote computer to access the instrument. Other settings may be changed according to the user-specific security requirements.
  • Page 58 ® Preparing for Use R&S SMC100A Remote Access via an External Controller A dialog is opened and the password for the remote VNC connection is requested. 3. Enter the password as defined in the "Default Local System Properties" panel of the Ultr@VNC program and select "Log On".
  • Page 59 ® Preparing for Use R&S SMC100A Remote Access via an External Controller Terminating VNC Connection The remote access via VNC connection can be terminated either on the R&S SMC or on the external PC. Terminating the connection does not disable it. It can be estab- lished again any time.

  • Page 60: Getting Started

    ® Getting Started R&S SMC100A Brief Introduction to the Instrument's Concept 3 Getting Started This section helps you to get familiar with the R&S SMC. It provides an introduction to the general concept of the instrument with a sample of the possible application fields, and a description of the main blocks in the signal generation flow.
  • Page 61 ® Getting Started R&S SMC100A Brief Introduction to the Instrument's Concept Figure 3-1: Block diagram of a fully equipped R&S SMC With the rotary knob, you can navigate in the block diagram and the dialogs, and oper- ate the instrument with one hand. The cursor is moved line by line through the block diagram or dialog.

  • Page 62: Application Field Of The Instrument

    ® Getting Started R&S SMC100A Application Field of the Instrument Tip: For remote control over LAN or USB, you can use the R&S VISA (Virtual Instru- ment Software Architecture) library provided for download at the Rohde & Schwarz website http://www.rohde-schwarz.com/rsvisa.

  • Page 63: Description Of Individual Diagram Blocks

    ® Getting Started R&S SMC100A Description of Individual Diagram Blocks ● remote control via USB, LAN and IEC Bus Note: For faster operation by remote control the instrument can be equipped with an IEC bus interface (option R&S SMC-K4). 3.3 Description of Individual Diagram Blocks The signal path of the instrument is configured by installing a frequency option that comprises all required modules.

  • Page 64: Example Of Setup

    ® Getting Started R&S SMC100A Example of Setup The internal modulation sources are configured in the "Mod Gen" block. External amplitude, frequency or phase modulation signals can be fed in at the input connector MOD EXT at the front of the instrument. An external pulse signal is fed in via the BNC connector PULSE EXT at the rear of the instrument.
  • Page 65 ® Getting Started R&S SMC100A Example of Setup 2. Select and activate AM modulation a) Turn the rotary knob and select the "Modulation" block. b) Press the rotary knob to open the dialog where the modulation can be selected. The "Amplitude Mod..." menu is the first menu and is highlighted per default.
  • Page 66 ® Getting Started R&S SMC100A Example of Setup To indicate the active state, the "Modulation" block is displayed in blue. The "RF" is not yet active, which means that no RF signal is output. 3. Set frequency and level and activate RF signal a) Press the FREQ key to activate the editing mode for frequency entry.
  • Page 67 ® Getting Started R&S SMC100A Example of Setup a) Turn the rotary knob and select the "RF" block. b) Press the rotary knob to open the dialog where the RF frequency sweep can be selected. c) Turn the rotary knob and highlight "RF Frequency Sweep...".
  • Page 68 ® Getting Started R&S SMC100A Example of Setup 3. Activate RF signal. a) Turn the rotary knob to select the "RF" block. b) Press the RF ON/OFF key to activate the "RF" signal output. To indicate the active state, the RF block is displayed in blue. An RF signal with the default frequency and level settings is output, i.e.

  • Page 69: Manual Operation

    ® Manual Operation R&S SMC100A Key Features 4 Manual Operation The R&S SMC can be operated intuitively either via the interactive block diagram or via a menu tree. All menus are in the form of windows that can be operated in the same way.
  • Page 70 ® Manual Operation R&S SMC100A Key Features a blue frame can be directly switched on and off by means of the TOGGLE ON/OFF (CTRL+T) key. The menus of the highlighted function blocks can be called by pressing the ENTER key.
  • Page 71 ® Manual Operation R&S SMC100A Key Features ● Pressing the rotary knob activates the selected entry field. Depending on the parameter, the submenu is called, the numeric value varied, the list entry selected or the check box activated or deactivated.

  • Page 72: Display

    ® Manual Operation R&S SMC100A Display background information on the message and indicate operating steps that may be required. All messages are explained in the online help which can be called with the HELP (F1) key. 4.2 Display The display shows the current signal generator state and offers graphical elements for direct operation.

  • Page 73: Status Information And Messages

    ® Manual Operation R&S SMC100A Display The values displayed in the "Freq" and "Level" fields include a set offset or multiplier factor. For more See alos Chapter 5.3.2, "RF Frequency", on page 121 and Chapter 5.3.5.1, "Overview of RF Level", on page 128.

  • Page 74: Permanent Messages

    ® Manual Operation R&S SMC100A Display Volatile messages do not normally demand user actions and disappear automatically after a brief period of time. They are stored in the history, however. These messages can be read from remote using the commands :SYSTem:ERRor[: and :SYSTem:ERRor:ALL?.

  • Page 75: Block Diagram

    ® Manual Operation R&S SMC100A Display Delete All Clears all messages. This button is available only if the history of the messages is displayed. History Calls the list of all messages that have occurred since instrument switch-on. The most recent messages are displayed at the top of the list. When the button is pressed again, the list of current messages is displayed.

  • Page 76: Signal Flow And Input/Output Symbols In The Block Diagram

    ® Manual Operation R&S SMC100A Display Example: Modulation block In this block, the modulation signals are set. The status information of the "Modulation" block indicates the selected modulation. 4.2.4.2 Signal Flow and Input/Output Symbols in the Block Diagram The input/output symbols in the block diagram show the currently used inputs and out- puts of the signal generator.

  • Page 77: Accessing Dialogs

    ® Manual Operation R&S SMC100A Accessing Dialogs Several fields of associated but separately set parameters are organized in menu areas. A menu area is framed and labelled with the function common to all parameters. Example: Pulse Generator Each of the setting fields is assigned a parameter name. The kind of setting varies depending on the parameter to be set.

  • Page 78: Setting Parameters

    ® Manual Operation R&S SMC100A Setting Parameters Accessing the header area ► Press the FREQ (CTRL+F) and LEVEL (CTRL+L) keys to activate the "Frequency" or "Level" entry fields in the header area. Keyboard Shortcuts Keyboard shortcuts (e.g. "Ctrl + D" for the displaying the block diagram in the fore- ground) provide direct access to all utility dialogs of the instrument (see Chapter 4.8,...

  • Page 79: Working With The Cursor

    ® Manual Operation R&S SMC100A Setting Parameters ● Chapter 4.4.4, "Entering a Value", on page 65 ● Chapter 4.4.5, "Working with Units ", on page 66 ● Chapter 4.4.6, "Selecting a Value from a List", on page 67 ● Chapter 4.4.7, "Terminating Entries with Confirmation",...

  • Page 80: Switching Parameters On/Off

    ® Manual Operation R&S SMC100A Setting Parameters 4.4.3 Switching Parameters On/Off A parameter can be activated and deactivated using a button or a check box. 1. Select the parameter. 2. To change the state of a parameter, use the "Enter" function of the different control media: ●...

  • Page 81: Working With Units

    ® Manual Operation R&S SMC100A Setting Parameters 3. Click on a numeric key to overwrite the highlighted value. Varying a value 1. Activate the editing mode. 2. Set the cursor to the left of the number to be changed using the LEFT/RIGHT arrow keys.

  • Page 82: Selecting A Value From A List

    ® Manual Operation R&S SMC100A Setting Parameters While operating the instrument by means of a mouse, assign the unit to the selected parameter before entering its value. Assigning a unit To assign a unit to a value, use one of the following alternatives: 1.

  • Page 83: Terminating Entries With Confirmation

    ® Manual Operation R&S SMC100A Setting Parameters 3. To confirm the selection, press the ENTER key. 4.4.7 Terminating Entries with Confirmation The instrument behaves different by the termination of entries deppending on the parameter type and the way this parameter is set.

  • Page 84: Editors

    ® Manual Operation R&S SMC100A Editors Restoring values that require confirmation All settings that are not confirmed with the "Accept" button but require this additional confirmation can be restored. 1. Press the ESC key. A confirmation query is displayed. 2. Confirm with "OK" to abort the changes.
  • Page 85 ® Manual Operation R&S SMC100A Editors Editing list mode data lists 1. To access a list editor and open an existing data list for editing, use the cursor keys to select the associated button "Edit User Correction Data..." or "Edit List Mode Data..."...

  • Page 86: How To Use The Help System

    ® Manual Operation R&S SMC100A How to Use the Help System 2. To open the data list for editing, select the associated button "Edit User Correction Data...". Edit the list and save it under a new name. 4.6 How to Use the Help System The R&S SMC is equipped with a context-sensitive help function.

  • Page 87: File Management

    ® Manual Operation R&S SMC100A File Management 4. Use the "Scroll Right" or "Scroll Left" buttons to shift the indicated area of the navi- gation window to the left or right. Using the Index 1. Select "Index". 2. Enter the first characters of the topic you are interested in. The entries starting with these characters are displayed.

  • Page 88: File Select Dialog

    ® Manual Operation R&S SMC100A File Management Instrument settings can be saved and loaded. In case of saveing, the current set- ting is saved to the specified file. ● Lists Lists, e.g. user correction lists, can be loaded. They can be generated either exter- nally or internally.

  • Page 89: File Manager

    ® Manual Operation R&S SMC100A File Management The available drives and directories and the files of the selected directory are dis- played. The currently selected path is displayed above the window. Only the relevant files without file extensions are displayed. If the area is opened several times, the path last selected is displayed.

  • Page 90: Extensions For User Files

    ® Manual Operation R&S SMC100A File Management Use the "File Type" to select a file type from the list. This can be used to process either all files (all files (*) selection) or a specific selection of files. See Chapter 4.7.2.1, "Extensions for User...

  • Page 91: Legend Of Front-Panel Controls

    ® Manual Operation R&S SMC100A Legend of Front-Panel Controls Table 4-1: List of the automatically assigned file extensions in the instrument Function List type Contents File suffix Instrument State Settings Instrument settings *.savrcltxt "User Correction" List User-defined level correction values *.uco...

  • Page 92: Front Panel Key Emulation

    ® Manual Operation R&S SMC100A Legend of Front-Panel Controls Front-panel key Key of PC keyboard Function FREQ CTRL+ F Activates the frequency entry. G/n / dBuV ALT + F9 Selects the unit Giga/Nano, dBuV for the RF level and dBu for the LF level.

  • Page 93: Instrument Function

    ® Instrument Function R&S SMC100A Overview of Instrument Functions 5 Instrument Function 5.1 Overview of Instrument Functions This chapter explains the functions of the R&S SMC and the options available in the setting menus. The associated SCPI command is specified for each parameter (where applicable).

  • Page 94: General Instrument Settings

    ® Instrument Function R&S SMC100A General Instrument Settings ● Chapter 5.3.5.4, "Automatic Level Control - ALC", on page 134 ● Power Sensors Chapter 5.3.6.1, "NRP-Z Power Viewer", on page 148 ● User Correction Chapter 5.3.5.6, "User Correction", on page 140 The analog and external digital modulations are activated in the "Modulation"...

  • Page 95: General Configuration Of Instrument - Setup Key

    ® Instrument Function R&S SMC100A General Instrument Settings However, functions concerning the integration of the instrument in a measurement setup are not changed, for example the GPIB address or reference oscillator settings. When the instrument is switched on, it is not the preset state that is active, but rather the instrument state that was set before the instrument was switched on.

  • Page 96: Internal Adjustments

    ® Instrument Function R&S SMC100A General Instrument Settings The "Setup" menu is divided into functional sections as follows: ● "System": covers general instrument parameters. ● "Test": used to perform function tests. ● "Environment": used to configure the controller interfaces. ●...

  • Page 97: Hardware Config

    ® Instrument Function R&S SMC100A General Instrument Settings In this dialog you can perform internal calibration routines. The remote commands required to define these settings are described in Chapter 7.4, "CALibration Subsystem", on page 240. Adjust All Performs all available internal calibration routines of the instrument.

  • Page 98: Software / Options

    ® Instrument Function R&S SMC100A General Instrument Settings The second part of the menu is a table that lists the installed assemblies. It is divided into the sections: ● "Common Assembly" ● "RF Assembly" Power On Count Displays the number of power-on.

  • Page 99: Manage License Keys

    ® Instrument Function R&S SMC100A General Instrument Settings Firmware The firmware section of the menu shows the firmware version and the version of the software platform. Note: Your instrument is delivered with the latest firmware version available. Firmware updates and the "Release Notes" describing the improvements and modifications are provided on the Internet at the download site of the Rohde &...
  • Page 100 ® Instrument Function R&S SMC100A General Instrument Settings An option is ready to operate after it is enabled by means of a license key code sup- plied with the option. The license key is delivered as a file or on paper. Unregistered licenses must be registered for a particular instrument prior to the corresponding option can be enabled for operation.

  • Page 101: Nrp-Z Info/Update

    ® Instrument Function R&S SMC100A General Instrument Settings 5.2.3.5 NRP-Z Info/Update The "NRP-Z Info/Update…" dialog covers information on connected power sensors, like serial number, revision state and features of the particular sensor. You can directly perform an update of the sensor firmware.

  • Page 102: Display Update

    ® Instrument Function R&S SMC100A General Instrument Settings 2. In the "Setup > System > NRP-Z Info Update" dialog, select "Rescue" in the left sensor selection field 3. Activate "Run Update". 4. Confirm query in message box 5. Connect sensor within 4 seconds The update starts, a bar informs about the progress.

  • Page 103: Selftest

    ® Instrument Function R&S SMC100A General Instrument Settings Display Update is On/Off Switches on/off update of the displayed parameters. Switching off the update of the displayed parameters increases the speed for certain settings. Note: For optimum sweep performance with short dwell times and for fast settling times, it is recommended to switch off the display update .

  • Page 104: Check Front Panel

    ® Instrument Function R&S SMC100A General Instrument Settings 5.2.3.8 Check Front Panel With the functions provided in this dialog you can verify the functionality of the control keys of the R&S SMC. In case of malfunctions, contact your Rohde & Schwarz Customer Support Center for technical support, see http://www.customersupport@rohde-schwarz.com.

  • Page 105: Shutting Down And Rebooting The Instrument

    ® Instrument Function R&S SMC100A General Instrument Settings Check that the key in the dialog turns red. Note: Pressing the same key again has no further effect, with the exception of the ESC key, see Press the ESC key a third time.

  • Page 106: Network Settings

    ® Instrument Function R&S SMC100A General Instrument Settings 5.2.3.10 Network Settings The "Network Settings" dialog shows the parameters relevant for identifying the instru- ment in a network. The R&S SMC is equipped with a network interface and can be connected to an Ethernet LAN (local area network).
  • Page 107 ® Instrument Function R&S SMC100A General Instrument Settings Hostname Displays the host name. Each instrument is delivered with an assigned host name, a logical name which can be used instead of the IP address. With the default network settings, the IP address is allocated by the DHCP server.
  • Page 108 ® Instrument Function R&S SMC100A General Instrument Settings Remote command: on page 353 :SYSTem:COMMunicate:NETWork:IPADdress Subnet Mask Displays the bit group of the subnet in the host identifier. To assign the subnet mask manually, select Address Mode "Static". Remote command: on page 354...

  • Page 109: Display/Keyboard Settings

    ® Instrument Function R&S SMC100A General Instrument Settings Note: Only the connection of the instrument to the network restarts, the network itself is not affected. Remote command: on page 354 :SYSTem:COMMunicate:NETWork:RESTart 5.2.3.11 Display/Keyboard Settings In the "Display/Keyboard Settings" dialog the power-save mode and external keyboard settings are made.

  • Page 110: Remote Channel Settings

    ® Instrument Function R&S SMC100A General Instrument Settings Layout (USB Keyboard Settings) Selects the keyboard layout for the selected keyboard language. The assignment of some keys depends on the selected layout and language. Remote command: on page 255 :KBOard:LAYout on page 255 :KBOard:LANGuage 5.2.3.12...

  • Page 111: Instrument Emulations

    ® Instrument Function R&S SMC100A General Instrument Settings In addtion, you can also use a Bluetooth connection for remote control via the serial interface. The settings are effective for both interfaces (see also Chapter 5.2.3.15, "Security", on page 99 ).
  • Page 112 ® Instrument Function R&S SMC100A General Instrument Settings You find all the remote control command sets supported by the R&S SMC in a selec- tion list. For more information on this topic, an application note describes in detail how to use this feature. See the product site of the R&S SMC.

  • Page 113: Protection

    ® Instrument Function R&S SMC100A General Instrument Settings Set to default Enables you to reset the *IDN and *OPT strings in user defined mode, see "Mode" on page 97 . The default strings vary depending on the selected emulation mode (Language)

  • Page 114: Security

    ® Instrument Function R&S SMC100A General Instrument Settings ● Protection Level 3-5 Are reserved for factory internal use. To unlock or lock a protection level... 1. In the "Password" entry field, enter the password for the corresponding protection level. 2. Confirm with the ENTER key.
  • Page 115 ® Instrument Function R&S SMC100A General Instrument Settings Changing the password for the operating system or the security password requires that you enter the old password, the new password and that you confirm the new pass- word. To assign the password, press the "Accept" button. This action can not be undone! Keep also in mind, that security settings are never reset, even if you perform a factory preset.
  • Page 116 ® Instrument Function R&S SMC100A General Instrument Settings Old Password ← Change User Password Enters the current user password. The default password is "instrument". Note: It is highly recommended to change the default user password before connect- ing the instrument to the network.
  • Page 117 ® Instrument Function R&S SMC100A General Instrument Settings Enable LAN Interface ← LAN Services Enables the LAN interface in general, and thus provides remote access via all unlocked services. Note: The activated LAN services will not be assigned until you enter the...
  • Page 118 ® Instrument Function R&S SMC100A General Instrument Settings USB Storage Activates the access to external USB storage media. This setting has no effect on a mouse or a keyboard, connected via USB. Note: The setting will not be assigned until you enter the...
  • Page 119 ® Instrument Function R&S SMC100A General Instrument Settings "Display only" Locks the manual operation of the instrument. The display on the screen remains and shows the current settings and changes. This security feature protects the instrument against unauthorized access, but still shows the current settings and processes, for exam- ple when you operate the instrument via remote control.

  • Page 120: Save/Recall

    ® Instrument Function R&S SMC100A General Instrument Settings Via remote control, there is no password required. Remote command: on page 351 :SYSTem:ULOCk on page 350 :SYSTem:DLOCk on page 350 :SYSTem:KLOCk Security Password Enters the password that is required to enable or to disable the settings protected by a security password.

  • Page 121: Help

    ® Instrument Function R&S SMC100A General Instrument Settings The factory preset function resets nearly all instrument settings. In addition to the regu- lar preset by means of the PRESET key, a "Factory Preset" resets also the following values: ● Reference frequency settings ("Ref Oscillator" menu) ●...

  • Page 122: Generating A Hard Copy Of The Display

    ® Instrument Function R&S SMC100A General Instrument Settings When switching from remote to manual control, the display update function is automati- cally deactivated ("SETUP" > "Start/Stop Display Update" > "Off"). 5.2.5 Generating a Hard Copy of the Display The save/recall function enables you to store the settings in a file. In addition, you can create a hard copy of the current display to save the most important settings of a per- formed signal generation in an image file.

  • Page 123: Hardcopy Options

    ® Instrument Function R&S SMC100A General Instrument Settings Automatic Naming Activates automatic generation of the file name. Automatic naming is configured in the "Options…" sub dialog , see " File Options " on page 108. Remote command: on page 254...
  • Page 124 ® Instrument Function R&S SMC100A General Instrument Settings "Path..." Selects the directory. Note: To select the destination path, you have to specify a file name as well. Otherwise an error message is displayed and the selection is canceled. Directory, path and file name are displayed in the infoline right to the "Path"...

  • Page 125: Messages - Info Key

    ® Instrument Function R&S SMC100A General Instrument Settings Save Stores the hardcopy. Remote command: on page 249 :HCOPy[:EXECute] 5.2.6 Messages - Info Key The INFO key opens a window containing a detailed description of every message dis- played in the info bar, see Chapter 4.2.3, "Info...

  • Page 126: Storing And Loading Instrument Data - File Key

    ® Instrument Function R&S SMC100A General Instrument Settings The find function allows you to look for freely selectable terms in all help pages. A list of the pages containing the entered term is displayed as the search result. The search can be limited to words in the page title to increase the number of hits.

  • Page 127: Save/Recall Menu

    ® Instrument Function R&S SMC100A General Instrument Settings General file management functions such as copying and moving data are available in the "File Manager" dialog. 5.2.8.1 Save/Recall Menu The settings available in the File menu "Save/Recall" depend on the operation selected under "Select Operation".

  • Page 128: Loading Instrument Settings

    ® Instrument Function R&S SMC100A General Instrument Settings The name of the dialog is context sensitive but the provided functions are self-explana- tory and very similar. With the provided settings, you can perform the following: ● to navigate through the file system, use the directory tree ●...
  • Page 129 ® Instrument Function R&S SMC100A General Instrument Settings Recent files Displays the files last used. Directory, File List and File Name Note: You access this generic standard function each time you perform one of the following: ● store or load (settings) files ●...

  • Page 130: File Manager

    ® Instrument Function R&S SMC100A General Instrument Settings If an instrument setting in which a sweep was activated is stored, the sweep is started when the recall command is called. If an instrument setting which accesses lists is stored, this list is also loaded.
  • Page 131 ® Instrument Function R&S SMC100A General Instrument Settings For more information, see Chapter 4.7.2, "File Manager", on page 74. File Type Selects the file type to be listed. If you select a file type with a specific file extension, only files with this extension are listed in the directory.

  • Page 132: Accessing The File System Of The Instrument And Transferring Files From And To The Instrument

    ® Instrument Function R&S SMC100A General Instrument Settings Rename Renames the selected file or directory. The new name can be entered in the "New File- name" dialog. Remote command: on page 263 :MMEMory:MOVE Delete Deletes the selected file. Before the file is deleted, a message appears prompting the user to confirm deletion of the file.
  • Page 133 ® Instrument Function R&S SMC100A General Instrument Settings To access the file system of the R&S SMC via ftp If the R&S SMC is connected to a LAN and the required configurations are completed, you can use File Transfer Protocol (ftp) to access the file system and to transfer files from and to the instrument.
  • Page 134 ® Instrument Function R&S SMC100A General Instrument Settings To access the file system of the R&S SMC via SMB (Samba) The SMB (Samba) protocol is an alternative way to access the file system of the instru- ment form a remote PC, if both the instrument and the PC are connected to a LAN.

  • Page 135: Rf Block

    ® Instrument Function R&S SMC100A RF Block 5.3 RF Block 5.3.1 Overview of RF Signal Settings for the RF output signal and analog modulation are made under "RF Signal". These settings can be accessed in the block diagram by way of the "RF" function block, or by means of the menu with the same name which is opened using the MENU key.

  • Page 136: Rf Signal Modes And Characteristics

    ® Instrument Function R&S SMC100A RF Block See also Chapter 5.3.1.1, "RF Output", on page 120. Remote command: on page 267 :OUTPut<hw>[:STATe] RF Output State Activates the RF output signal by selecting the RF checkbox in the "Configure" dialog of the "RF" block.

  • Page 137: Rf Frequency Vs. Rf Output Frequency

    ® Instrument Function R&S SMC100A RF Block Note that the displayed RF frequency in the header, and the RF output frequency, entered in the "Frequency/Phase" dialog can be different, as explained in the following section. 5.3.2.1 RF Frequency vs. RF Output Frequency If you are working with a downstream instrument, e.g.

  • Page 138: Rf Frequency Dialog

    ® Instrument Function R&S SMC100A RF Block 5.3.2.3 RF Frequency Dialog The combined "RF Frequency / Phase..." dialog contains the parameters required for configuring the frequency and settings like a frequency offset, or a multiplier factor of an externally connected multiplier, see Chapter 5.3.2.4, "Frequency...

  • Page 139: User Variation Settings

    ® Instrument Function R&S SMC100A RF Block Remote command: on page 292 [:SOURce<hw>]:FREQuency[:CW|FIXed] Note: This command sets the frequency of the "FREQ" display, that is the frequency containing offset. Offset Sets the frequency offset relative to the RF frequency. The frequency offset of a down- stream instrument (for example a mixer) is entered.

  • Page 140: Phase

    ® Instrument Function R&S SMC100A RF Block Remote command: on page 297 [:SOURce<hw>]:FREQuency:STEP:MODE Variation Step Sets the user-defined step width. This step width is used when entering the RF fre- quency using the rotary knob. Frequency variation with this step width must also be activated with "Variation Active".

  • Page 141: Reference Oscillator

    ® Instrument Function R&S SMC100A RF Block 5.3.4 Reference Oscillator The R&S SMC is equipped with an internal reference oscillator that generates a refer- ence frequency of 10 MHz. It is used as internal reference source for the synthesizer and the local oscillator. Alternatively, you can apply an external reference signal.

  • Page 142: Reference Oscillator Settings

    ® Instrument Function R&S SMC100A RF Block Settings: – Source: "External" – External Reference Frequency: "10 MHz" Set the additionally provided parameters, as for example the synchronization band- width according to the requirements of the application. Input and output connectors of the reference frequency The appropriate connectors are located at the rear panel, see "REF IN"...

  • Page 143: Rf Level

    ® Instrument Function R&S SMC100A RF Block Deactivate RF Output (if external reference is missing) Turns the RF output off when the external reference signal is selected, but no signal is supplied. This function prevents that no improper RF signal due to the missing external refer- ence signal is used for measurements.

  • Page 144: Rf Level Dialog

    ® Instrument Function R&S SMC100A RF Block The value of the RF level is displayed in the level field in the header of the display ("Level"). This field provides the direct input of the RF level value. Alternatively, you can enter the level in the "Level/EMF/..." dialog.
  • Page 145 ® Instrument Function R&S SMC100A RF Block Access: ► Select "RF > config... > RF Level > Level/Attenuator". The offset-free level, level offset and level limit are set in the top section of the dia- log. The attenuator mode is set in the "Attenuator Settings" section.
  • Page 146 ® Instrument Function R&S SMC100A RF Block "LOW Distortion" The generator reduces distortion (harmonics) of the RF signal. Remote command: on page 317 [:SOURce<hw>]:POWer:LMODe Amplitude Sets the RF level of the RF output connector. The level entered and displayed here corresponds to the level at the RF output, that means any offset entry is not considered.
  • Page 147 ® Instrument Function R&S SMC100A RF Block "Fixed" When this operating mode is switched on, the attenuator and the relays are fixed in their current positions to provide level settings with- out interruption. The resulting variation range is defined and dis- played under "Attenuator Fixed Range".

  • Page 148: Power-On/Emf Settings

    ® Instrument Function R&S SMC100A RF Block Remote command: on page 322 [:SOURce<hw>]:POWer:STEP:MODE Variation Step Sets the user-defined step width for entering the RF level using the rotary knob. Level variation with this step width must also be activated with "Variation Active".

  • Page 149: Automatic Level Control - Alc

    ® Instrument Function R&S SMC100A RF Block Note: This setting is not affected by an instrument preset (PRESET key), *RST) or the "Save/Recall" function. Only the Chapter 5.2.3.17, "Factory Preset", on page 105 resets the setting. Remote command: on page 314 [:SOURce<hw>]:POWer:EMF:STATe...

  • Page 150: Nrp-Z Level Control

    ® Instrument Function R&S SMC100A RF Block RF output behavior during Sample & Hold depends on the configuration of your instru- ment. Instruments equipped with...: ● an electronic step attenuator The level is decreased by 30 dB. ● a mechanical step attenuator The level control status is permanently displayed as a status message in the info line.
  • Page 151 ® Instrument Function R&S SMC100A RF Block used components, such as losses due to cables, modules or components like power amplifiers, and compensate these effects accordingly. Example: How to set up a closed loop power control Figure 5-3: Example of a test setup with NRP-Z Level Control As shown in the example, the sensor measures a proportional power in defined time intervals, derivated from a coupler.
  • Page 152 ® Instrument Function R&S SMC100A RF Block Impact of the NRP-Z Level Control and the Operating Modes Since the frequency and level of the RF output signal are continuously adjusted during "NRP-Z Level Control", this operating mode interferes those with varying frequency and level values.
  • Page 153 ® Instrument Function R&S SMC100A RF Block Sensor Selects the R&S NRP-Z power sensor for power control. Note: In remote control, the sensors are set up using the SENSe commands. The remote measurement is triggered by the READ query which also provides the measure- ment results.
  • Page 154 ® Instrument Function R&S SMC100A RF Block Target Level Specifies the nominal level expected at the input of the sensor. The signal generator adjusts the output power accordingly, in order to meet the target value at the sensor input, and thus the power required at the DUT.

  • Page 155: User Correction

    ® Instrument Function R&S SMC100A RF Block Refer to the manual of the connected R&S NRP-Zxx power sensor for a description on how to use the SParameter table. Remote command: on page 270 :SENSe<ch>[:POWer]:CORRection:SPDevice:STATe 5.3.5.6 User Correction The "User Correction" function is used to create and activate lists in which level correc- tion values predefined by the user are freely assigned to RF frequencies.
  • Page 156 ® Instrument Function R&S SMC100A RF Block The upper section provides access to the automatic level control settings, see Chap- ter 5.3.5.4, "Automatic Level Control - ALC", on page 134. State - User Correction Activates/deactivates user correction. The "UCOR" status message appears in the frequency and level display.
  • Page 157 ® Instrument Function R&S SMC100A RF Block "Frequency / Enters the frequency to which the level correction value applies. Hz" Note: The "Fill..." function allows to automatically enter any number of frequencies with freely selectable range and increment. Using the "Fill With Sensor" function of the "Edit" sub menu requires only the entry of the frequency values.
  • Page 158 ® Instrument Function R&S SMC100A RF Block "Fill With Sen- Calls the menu to activate the filling of the user correction list with sor" level values acquired by the selected power sensor (see "Filling the Correction List with Power Sensor Measurement Data"...
  • Page 159 ® Instrument Function R&S SMC100A RF Block Extension - User Correction Selects the file extension of the ASCII file to be imported or exported. Selection "TXT" (text file) or "CSV" (Excel file) is available. Remote command: on page 283 [:SOURce<hw>]:CORRection:DEXChange:AFILe:EXTension Decimal Point - User Correction Selects the decimal separator used in the ASCII data between '.' (decimal point) and ','...
  • Page 160 ® Instrument Function R&S SMC100A RF Block The start line and the number of rows to be filled are defined under "From" and "Range." The column to be filled is selected under "Select column to fill". Depending on the selection here, the default for start, end, and increment value are set. As the settings are interdependent, a change of one parameter may result in the automatic change of one or more of the other parameters.
  • Page 161 ® Instrument Function R&S SMC100A RF Block Increment value Sets the increment for the frequency or the level entries. Remote command: n.a. Fill Fills the selected column in the set range with values, starting with the start value and using the set increment.

  • Page 162: Reverse Power Protection

    ® Instrument Function R&S SMC100A RF Block "Include Zeroing" Performs a zeroing procedure before acquiring the user correction data to improve precision. Since during zeroing no signal may be applied to the sensor, RF is temporarily switched off at the generator.

  • Page 163: Rf Measurement

    ® Instrument Function R&S SMC100A RF Block 5.3.6 RF Measurement 5.3.6.1 NRP-Z Power Viewer The R&S SMC features the power viewer function for measuring or monitoring either the RF output power, or a freely selectable signal source with R&S NRP-Z power sen- sors.
  • Page 164 ® Instrument Function R&S SMC100A RF Block Further functions of the R&S SMC related to R&S NRP-Z power sensors are: ● Acquisition of level correction data, see Chapter 5.3.5.6, "User Correction", on page 140. The acquired level correction data is used to create and activate lists in which level correction values predefined by the user are freely assigned to RF frequencies.
  • Page 165 ® Instrument Function R&S SMC100A RF Block When you connect your power sensor(s) via the R&S NRP-Z5 USB sensor hub, each channel of the hub is firmly assigned to the associated sensor channel in the genera- tor. The remote commands required to define the settings are described in Chapter 7.12,...
  • Page 166 ® Instrument Function R&S SMC100A RF Block To query the availability of a sensor at a given connector, use the command on page 275. SENSe<ch>[:POWer]:STATus[:DEVice]? Remote command: on page 269 :INITiate<ch>[:POWer]:CONTinuous Level (Peak) With certain power sensors only, for example R&S NRP-Z81.
  • Page 167 ® Instrument Function R&S SMC100A RF Block Remote command: on page 271 :SENSe<ch>[:POWer]:DISPlay:PERManent:PRIority Zero - Power Sensors Activates the auto zero function. Zeroing calibrates the external power sensor by adjusting its reading at zero signal power. For this purpose, the RF power source must be switched off or disconnected from the sensor.
  • Page 168 ® Instrument Function R&S SMC100A RF Block Level Offset Activates and defines a level offset which is added to the measured value. This allows e.g. an attenuator in the signal path to be considered. The offset is always entered in dB, irrespective of the selected unit for result display.
  • Page 169 ® Instrument Function R&S SMC100A RF Block "User" The filter length is set manually. The filter length is entered in the entry window to the right. As the fil- ter length works as a multiplier for the time window, this results in a constant measurement time.
  • Page 170 ® Instrument Function R&S SMC100A RF Block The sensor default setting is usually sufficient. If however, the readings vary, it is rec- ommended that you adjust the aperture time exactly to one modulation period, in order to obtain stable readings. To specify the aperture time, see Aperture Time.

  • Page 171: Rf Sweep Mode

    ® Instrument Function R&S SMC100A RF Block 5.3.7 RF Sweep Mode 5.3.7.1 Overview The R&S SMC offers three different sweep types (frequency sweep, level sweep and LF sweep) to be activated alternatively. Each type has 6 modes which differ with respect to the sweep cycle mode (continuous, individual and step-by-step) and trigger- ing mode (automatic, internal and external).
  • Page 172 ® Instrument Function R&S SMC100A RF Block The buttons are used to reset the RF sweep (all sweep modes) or to execute the RF sweep ("Single" mode). The sweep range, sweep spacing and dwell time are set in the bottom section.
  • Page 173 ® Instrument Function R&S SMC100A RF Block "Auto" Generates a continuously repeating sweep signal immediately after activating the sweep mode. The sweep steps are performed atomatically, controlled by the dwell time, see " Dwell Time - Frequency Sweep " on page 163.
  • Page 174 ® Instrument Function R&S SMC100A RF Block "Step" Generates the sweep signal step-by-step, manually triggered. To perform the sweep steps, enter the frequency value under Current Freq - Frequency Sweep . You can directly enter the value, but also use the UP and DOWN navigation keys or the ROTARY KNOB.
  • Page 175 ® Instrument Function R&S SMC100A RF Block "Extern Step" Generates the sweep signal step-by-step, manually triggered. To trigger a sweep step, apply an external trigger signal. The step width corresponds to the step width set for the rotary knob. Example:...
  • Page 176 ® Instrument Function R&S SMC100A RF Block Stop Freq - Frequency Sweep Sets the stop frequency. Remote command: on page 296 [:SOURce<hw>]:FREQuency:STOP Center Freq - Frequency Sweep Sets the center frequency. Remote command: on page 291 [:SOURce<hw>]:FREQuency:CENTer Span - Frequency Sweep Sets the span.
  • Page 177 ® Instrument Function R&S SMC100A RF Block Remote command: on page 336 [:SOURce<hw>]:SWEep[:FREQuency]:SHAPe Retrace - RF Frequency Sweep Activates that the signal changes to the start frequency value while it is waiting for the next trigger event. You can enable this feature, when you are working with sawtooth shapes in sweep mode "Single"...
  • Page 178 ® Instrument Function R&S SMC100A RF Block "Step Log" The step width is determined logarithmically in %, that means as a constant fraction of the current frequency. Successive frequencies are calculated as follows: ● start_f < stop_f f2 = f1 * (1 + step_log / 100) If f2 >...

  • Page 179: Rf Level Sweep

    ® Instrument Function R&S SMC100A RF Block 5.3.7.3 RF Level Sweep To open the "Level Sweep" menu, select "RF > Configure > Level Sweep" or use the MENU key under "RF". RF Level Sweep Settings In the top section, the RF level sweep is activated and the sweep mode is selected.
  • Page 180 ® Instrument Function R&S SMC100A RF Block "Single" Sets a single sweep cycle. The sweep is triggered by the "Execute Single Sweep" button, or by means remote trigger commands, e.g. *TRG. Example: SOUR:SWE:POW:MODE AUTO TRIG:PSW:SOUR SING SOUR:POW:MODE SWE SOUR:SWE:POW:EXEC "Step"...
  • Page 181 ® Instrument Function R&S SMC100A RF Block "Extern Step" Sets a step-by-step sweep cycle. Each sweep step is triggered by an external trigger signal (trigger source as described under "Extern Sin- gle"). The step width corresponds to the step width of the rotary knob.
  • Page 182 ® Instrument Function R&S SMC100A RF Block Remote command: on page 339 [:SOURce<hw>]:SWEep:POWer:EXECute on page 367 :TRIGger<hw>:PSWeep[:IMMediate] on page 368 :TRIGger<hw>[:SWEep][:IMMediate] Start Level - Level Sweep Sets the start level. Remote command: on page 321 [:SOURce<hw>]:POWer:STARt Stop Level - Level Sweep Sets the stop level.
  • Page 183 ® Instrument Function R&S SMC100A RF Block Remote command: on page 341 [:SOURce<hw>]:SWEep:POWer:RETRace Step - Level Sweep Sets the step width for the individual sweep steps. This entry is effective for all sweep modes. With the level sweep, the logarithmic step width is a constant fraction of the current level.

  • Page 184: Modulation

    ® Instrument Function R&S SMC100A Modulation Note: It is recommended to switch off the display update for optimum sweep performance especially with short dwell times (see Chapter 5.2.3.6, "Display Update", on page 87). Remote command: on page 339 [:SOURce<hw>]:SWEep:POWer:DWELl Ext. Trigger Input Slope Sets the polarity of the active slope of an externally applied instrument trigger.

  • Page 185: Enabling/Disabling Analog Modulations Using The Mod On/Off Key

    ® Instrument Function R&S SMC100A Modulation 5.4.1.1 Enabling/Disabling Analog Modulations using the MOD On/Off Key The MOD ON/OFF key switches the modulations on and off. MOD ON/OFF Press the MOD ON/OFF key to enable/disable analog modulations. Pressing the key again restores the status that was active before the last switch-off.

  • Page 186: Amplitude Modulation (Am)

    ® Instrument Function R&S SMC100A Modulation PhiM Pulse Amplitude modulation (AM) Frequency modulation (FM) Phase modulation (PhiM) Pulse modulation (Pulse) 5.4.2 Amplitude Modulation (AM) An internal and/or external source can be selected for amplitude modulation. The LF modulation generator is available as the internal source.
  • Page 187 ® Instrument Function R&S SMC100A Modulation "External" Uses an externally applied modulation signal. The external signal is input via the MOD EXT connector. Remote command: on page 279 [:SOURce<hw>]:AM:SOURce AM Depth Sets the modulation depth in percent. Remote command: on page 278 [:SOURce<hw>]:AM[:DEPTh]...

  • Page 188: Frequency Modulation (Fm)

    ® Instrument Function R&S SMC100A Modulation 5.4.3 Frequency Modulation (FM) An internal or external source can be selected for frequency modulation. The LF GEN modulation generator is available as the internal source. The MOD EXT input connectors for external feed of analog modulation signals are at the front of the instrument.
  • Page 189 ® Instrument Function R&S SMC100A Modulation Remote command: on page 290 [:SOURce<hw>]:FM:SOURce FM Deviation Sets the modulation deviation in Hz. The maximum deviation depends on the RF frequency and the modulation mode (see data sheet). Note that you can set a deviation that is too high for a specific RF frequency, or set an RF frequency outside of the adjustable range of the deviation.

  • Page 190: Phase Modulation (Phim)

    ® Instrument Function R&S SMC100A Modulation "DC" Uses the modulation signal with both components, AC and DC. Remote command: on page 289 [:SOURce<hw>]:FM:EXTernal:COUPling Ext. Impedance (Source "External" only) Sets the impedance for the external modulation signal, applied at the MOD EXT con- nector.
  • Page 191 ® Instrument Function R&S SMC100A Modulation The configuration of the selected external or internal modulation source is performed in the lower section of the "LF Output" dialog (internal source only) or in the "Mod Gen" block. These settings affect all modulations which use the same modulation sources.

  • Page 192: Pulse Modulation (Pm)

    ® Instrument Function R&S SMC100A Modulation Note: The input voltage must not exceed 1.1 V otherwise modulation distortions occur. Remote command: on page 311 [:SOURce<hw>]:PM:SENSitivity? PhiM Ext Coupling Selects the coupling mode ("AC" or "DC") for the external modulation signal.

  • Page 193: Pulse Modulation Settings

    ® Instrument Function R&S SMC100A Modulation 5.4.5.1 Pulse Modulation Settings ► To access the "Pulse Modulation" settings, select "Modulation > config... > Pulse Modulation". The dialog contains all parameters for configuring a pulse modulation signal, com- prising the signal source, pulse generator and trigger settings.

  • Page 194: Modulation Generator And Lf Output

    ® Instrument Function R&S SMC100A Modulation Generator and LF Output Source Selects the modulation signal source for pulse modulation. "Pulse Generator" Uses the pulse generator as modulation signal source. Uses the internally generated rectangular signal pulse modulation. "External" Uses an externally applied modulation signal.

  • Page 195: Lf Output Dialog

    ® Instrument Function R&S SMC100A Modulation Generator and LF Output ► To open the "LF Generator / Output" dialog, select "Mod Gen > Configure > LF Generator / Output" or use the MENU key under "Mod Gen". The dialog provides access to the configuration of the internal modulation genera-...
  • Page 196 ® Instrument Function R&S SMC100A Modulation Generator and LF Output The LF sweep mode is activated and the sweep mode is selected. The buttons are used to reset the LF sweep (all sweep modes) or to execute the LF sweep ("Single"...
  • Page 197 ® Instrument Function R&S SMC100A Modulation Generator and LF Output "Single" Generates a single sweep cycle after a trigger event. The sweep steps within the cycle are performed automatically, con- trolled by the dwell time. If one cycle is completed, the instrument waits for the next trigger event.
  • Page 198 ® Instrument Function R&S SMC100A Modulation Generator and LF Output "Extern Step" Generates the sweep signal step-by-step, manually triggered. To trigger a sweep step, apply an external trigger signal. The step width corresponds to the step width set for the rotary knob.
  • Page 199 ® Instrument Function R&S SMC100A Modulation Generator and LF Output Start Freq Sets the start frequency. Remote command: on page 301 [:SOURce<hw>]:LFOutput:FREQuency:STARt Stop Freq Sets the stop frequency. Remote command: on page 302 [:SOURce<hw>]:LFOutput:FREQuency:STOP Current Freq Displays the current frequency.
  • Page 200 ® Instrument Function R&S SMC100A Modulation Generator and LF Output Retrace - LF Frequency Sweep Activates that the signal changes to the start frequency value while it is waiting for the next trigger event. You can enable this feature, when you are working with sawtooth shapes in sweep mode "Single"...

  • Page 201: Pulse Generator

    ® Instrument Function R&S SMC100A Modulation Generator and LF Output The "Dwell Time" set by the user is used as the step time of the sweep. The effective net dwell time is shorter, reduced by the setting time. This setting time may be greater than the time specified in the data sheet.
  • Page 202 ® Instrument Function R&S SMC100A Modulation Generator and LF Output Alternatively, the R&S SMC provides the pulse generator parameters in the "Pulse Modulation" dialog accessed via the "Modulation" block. The dialog provides the settings for the pulse characteristics and trigger mode.
  • Page 203 ® Instrument Function R&S SMC100A Modulation Generator and LF Output Remote command: on page 329 [:SOURce<hw>]:PULM:WIDTh Pulse Delay - Pulse Generator (External trigger only) Sets the pulse delay. The pulse delay determines the time that elapses after a trigger event before pulse modulation starts. The pulse delay is not effective for double pulse generation.
  • Page 204 ® Instrument Function R&S SMC100A Modulation Generator and LF Output Gate Input Polarity - Pulse Generator (Trigger Mode External Gated only) Selects the polarity of the Gate signal. The signal is supplied via the PULSE EXT connector. "Normal" The pulse signal is generated while the gate signal is high.

  • Page 205: Remote Control Basics

    ® Remote Control Basics R&S SMC100A Remote Control Interfaces and Protocols 6 Remote Control Basics This chapter provides basic information on operating an instrument via remote control. 6.1 Remote Control Interfaces and Protocols The instrument supports different interfaces for remote control. The following table gives an overview.

  • Page 206: Visa Libraries

    ® Remote Control Basics R&S SMC100A Remote Control Interfaces and Protocols SCPI (Standard Commands for Programmable Instruments) SCPI commands - messages - are used for remote control. Commands that are not taken from the SCPI standard follow the SCPI syntax rules. The instrument supports the SCPI version 1999.

  • Page 207: Lan Interface

    ® Remote Control Basics R&S SMC100A Remote Control Interfaces and Protocols ● Instrument messages Instrument messages are employed in the same way for all interfaces, if not indica- ted otherwise in the description. Structure and syntax of the instrument messages are described in Chapter 6.3, "SCPI Command...
  • Page 208 ® Remote Control Basics R&S SMC100A Remote Control Interfaces and Protocols preconfigured on the instrument. Software for instrument control and (for specified pro- tocols only) the VISA program library must be installed on the controller. VISA library Instrument access via VXI-11 or HiSLIP protocols is achieved from high level program- ming platforms using VISA as an intermediate abstraction layer.

  • Page 209: Hislip Protocol

    ® Remote Control Basics R&S SMC100A Remote Control Interfaces and Protocols 6.1.3.1 HiSLIP Protocol The HiSLIP (High Speed LAN Instrument Protocol) is the successor protocol for VXI-11 for TCP-based instruments specified by the IVI foundation. The protocol uses two TCP sockets for a single connection - one for fast data transfer, the other for non- sequential control commands (e.g.

  • Page 210: Lan Interface Messages

    ® Remote Control Basics R&S SMC100A Remote Control Interfaces and Protocols Socket connections are established on a specially defined port. The socket address is a combination of the IP address or the host name of the instrument and the number of the port configured for remote-control.

  • Page 211: Serial Interface

    ® Remote Control Basics R&S SMC100A Remote Control Interfaces and Protocols ● <vendor ID> is the vendor ID for Rohde&Schwarz ● <product ID> is the product ID for the R&S instrument ● <serial number> is the individual serial number on the rear of the instrument...

  • Page 212: Gpib Interface Messages

    ® Remote Control Basics R&S SMC100A Remote Control Interfaces and Protocols ● The total cable length is restricted to a maximum of 15 m; the cable length between two instruments should not exceed 2m. ● A wired "OR"-connection is used if several instruments are connected in parallel, since the slowest instrument determines the speed.

  • Page 213: Gpib Instrument Address

    ® Remote Control Basics R&S SMC100A Starting a Remote Control Session Command Effect on the instrument GET (Group Execute Trigger) Triggers a previously active instrument function (e.g. a sweep). The effect of the command is the same as with that of a pulse at the external trigger signal input.

  • Page 214: Switching To Remote Control

    ® Remote Control Basics R&S SMC100A Starting a Remote Control Session Instrument Address In order to operate the instrument via remote control it must be addressed using the defined interface address. See Chapter 6.1.3, "LAN Interface", on page 192, Chap- ter 6.1.4, "USB...

  • Page 215: Returning To Manual Operation

    ® Remote Control Basics R&S SMC100A Starting a Remote Control Session 3. To prevent unintentional return to manual operation, disable the LOCAL key of the instrument with the &LLO command (see Chapter 6.1.3.4, "LAN Interface Mes- sages", on page 195).

  • Page 216: Remote Control Over Lan Using Vxi-11 Protocol

    ® Remote Control Basics R&S SMC100A Starting a Remote Control Session Starting a remote control session over GPIB As a prerequisite, the GPIB address of the instrument, which is factory-set to 28, must not have been changed. 1. Connect instrument and controller using GPIB cable and switch them on.
  • Page 217 ® Remote Control Basics R&S SMC100A Starting a Remote Control Session The instrument is preconfigured for networks using DHCP (dynamic host configuration protocol). If this configuration is used, enter the computer name in the position of the IP address. To enable the external controller to communicate with the R&S SMC via TCP/IP proto- col, set up a remote control link as follows: 1.
  • Page 218 ® Remote Control Basics R&S SMC100A Starting a Remote Control Session 6. Select "VXI-11" and "Find Resources". R&S VISA scans the network for connected instruments and lists all detected instu- ments in the "Resource" list. Note: The search may take some time, particularly in large networks.
  • Page 219 ® Remote Control Basics R&S SMC100A Starting a Remote Control Session c) Fill in the "Alias" name, the "VISA Resource String" and the "Device IP Address or host name" as shown in the figure, and confirm with "OK". The "Alias" name is assigned to the instrument.
  • Page 220 ® Remote Control Basics R&S SMC100A Starting a Remote Control Session 2. In the R&S VISA "Basics" tab, enter a SCPI command, e.g. "*IDN?" and confirm with "Query". The instrument is switched to remote control when it receives a command from the controller.

  • Page 221: Remote Control Over Lan Using Socket Communication

    ® Remote Control Basics R&S SMC100A Starting a Remote Control Session 7. To enable the LOCAL key, use the command &GTR. 8. To return to manual operation, see Chapter 6.2.2, "Returning to Manual Opera- tion", on page 200. Tip: Switching from manual operation to remote control and vice versa does not affect the other instrument settings.
  • Page 222 ® Remote Control Basics R&S SMC100A Starting a Remote Control Session After the first remote-control command has been sent, the instrument is in the "REMOTE" state, i.e. instrument control from the front panel or via mouse and key- board is disabled and "REMOTE" is displayed in the status line.
  • Page 223 ® Remote Control Basics R&S SMC100A Starting a Remote Control Session typedef struct sockaddr_in SockAddrStruct; typedef struct hostent HostInfoStruct; class TcpClient public: TcpClient(); ~TcpClient(); void connectToServer( string &hostname, int port ); void disconnect( ); void transmit( string &txString ); void receive( string &rxString );...
  • Page 224 ® Remote Control Basics R&S SMC100A Starting a Remote Control Session #include <netdb.h> #include <netinet/in.h> #include <unistd.h> #include "TcpClient.h" TcpClient::TcpClient() : currentHostName( "" ) , currentPort( 0 ) , currentSocketDescr( 0 ) , serverAddress ( ) , currentHostInfo( NULL )
  • Page 225 ® Remote Control Basics R&S SMC100A Starting a Remote Control Session throw string("can't connect server\n" ); clientIsConnected = true; void TcpClient::disconnect( ) if( clientIsConnected ) close( currentSocketDescr ); currentSocketDescr = 0; currentHostName = ""; currentPort = 0; currentHostInfo = NULL;...
  • Page 226 ® Remote Control Basics R&S SMC100A Starting a Remote Control Session delete [] receiveBuffer; string TcpClient::getCurrentHostName( ) const return currentHostName; int TcpClient::getCurrentPort( ) const return currentPort; TelnetClient.cpp #include <iostream> #include "TcpClient.h" void printUsage() cout<<"usage: EthernetRawCommand <server-ip> [scpi-command]"<<endl; int main( int argc, char *argv[] ) int errorCode = 0;...

  • Page 227: Scpi Command Structure

    ® Remote Control Basics R&S SMC100A SCPI Command Structure input = singleCommand; //send string else cin.getline( buffer, 1024 ); input = buffer; if( input == "end" ) terminate = true; if( !terminate) client.transmit( input ); //send string int qPos = input.find( "?", 0 );...

  • Page 228: Syntax For Common Commands

    ® Remote Control Basics R&S SMC100A SCPI Command Structure 6.3.1 Syntax for Common Commands Common (= device-independent) commands consist of a header preceded by an aster- isk (*), and possibly one or more parameters. Table 6-2: Examples of common commands...

  • Page 229: Numeric Suffixes

    ® Remote Control Basics R&S SMC100A SCPI Command Structure Example: HCOPy:DEVice:COLor ON is equivalent to HCOP:DEV:COL ON. Case-insensitivity Upper case and lower case notation only serves to distinguish the two forms in the manual, the instrument itself is case-insensitive. 6.3.2.2 Numeric Suffixes If a command can be applied to multiple instances of an object, e.g.

  • Page 230: Scpi Parameters

    ® Remote Control Basics R&S SMC100A SCPI Command Structure Optional mnemonics with numeric suffixes Do not omit an optional mnemonic if it includes a numeric suffix that is relevant for the effect of the command. Example: Definition:DISPlay[:WINDow<1...4>]:MAXimize <Boolean> Command: DISP:MAX ON refers to window 1.

  • Page 231: Special Numeric Values

    ® Remote Control Basics R&S SMC100A SCPI Command Structure ● M (milli) ● U (micro) ● N (nano) Example: SENSe:FREQ:STOP 1.5GHz = SENSe:FREQ:STOP 1.5E9 Some settings allow relative values to be stated in percent. According to SCPI, this unit is represented by the PCT string.

  • Page 232: Boolean Parameters

    ® Remote Control Basics R&S SMC100A SCPI Command Structure 6.3.3.3 Boolean Parameters Boolean parameters represent two states. The "ON" state (logically true) is represen- ted by "ON" or a numeric value 1. The "OFF" state (logically untrue) is represented by "OFF"...

  • Page 233: Overview Of Syntax Elements

    ® Remote Control Basics R&S SMC100A SCPI Command Structure the transmission is not known or if speed or other considerations prevent segmentation of the data into blocks of definite length. 6.3.4 Overview of Syntax Elements The following tables provide an overview of the syntax elements and special charac- ters.

  • Page 234: Structure Of A Command Line

    ® Remote Control Basics R&S SMC100A SCPI Command Structure Table 6-4: Special characters Parameters A vertical stroke in parameter definitions indicates alternative possibilities in the sense of "or". The effect of the command differs, depending on which parameter is used.

  • Page 235: Responses To Queries

    ® Remote Control Basics R&S SMC100A SCPI Command Structure Example: HCOP:ITEM ALL;:HCOP:IMM This command line contains two commands. Both commands are part of the HCOP command system, i.e. they have one level in common. If the successive commands belong to the same system, having one or several levels in common, the command line can be abbreviated.

  • Page 236: Command Sequence And Synchronization

    ® Remote Control Basics R&S SMC100A Command Sequence and Synchronization 6.4 Command Sequence and Synchronization IEEE 488.2 defines a distinction between overlapped and sequential commands: ● A sequential command is one which finishes executing before the next command starts executing. Commands that are processed quickly are implemented as sequential commands.

  • Page 237: Preventing Overlapping Execution

    ® Remote Control Basics R&S SMC100A Command Sequence and Synchronization Example: Overlapping command with *OPC The instrument implements INITiate[:IMMediate] as an overlapped command. Assuming that INITiate[:IMMediate] takes longer to execute than *OPC, sending the following command sequence results in initiating a sweep and, after some time, setting the OPC bit in the ESR: INIT;...

  • Page 238: Status Reporting System

    ® Remote Control Basics R&S SMC100A Status Reporting System 3. Send the overlapped command with *OPC . 4. Wait for a service request. The service request indicates that the overlapped command has finished. *OPC? with a service request 1. Set bit no. 4 in the SRE: *SRE 16 to enable MAV service request.
  • Page 239 ® Remote Control Basics R&S SMC100A Status Reporting System Figure 6-1: Graphical overview of the status registers hierarchy OPER = Operation Status Summary Bit RQS/MSS = Service Request Generation = Standard Event Status Summary Bit = Message Available in Output Queue...

  • Page 240: Structure Of A Scpi Status Register

    ® Remote Control Basics R&S SMC100A Status Reporting System ● Standard Event Status, i.e. the Event status Register (ESR) and the Event Status Enable (ESE), see Chapter 6.5.4, "Event Status Register (ESR) and Event Status Enable Register (ESE)", on page 228.
  • Page 241 ® Remote Control Basics R&S SMC100A Status Reporting System Description of the five status register parts The five parts of a SCPI register have different properties and functions: ● CONDition The CONDition part is written into directly by the hardware or the sum bit of the next lower register.

  • Page 242: Status Byte (Stb) And Service Request Enable Register (Sre)

    ® Remote Control Basics R&S SMC100A Status Reporting System The instrument automatically generates the sum bit for each register. Thus an event can lead to a service request throughout all levels of the hierarchy. 6.5.3 Status Byte (STB) and Service Request Enable Register (SRE) The STatus Byte (STB) is already defined in IEEE 488.2.

  • Page 243: Event Status Register (Esr) And Event Status Enable Register (Ese)

    ® Remote Control Basics R&S SMC100A Status Reporting System 6.5.4 Event Status Register (ESR) and Event Status Enable Register (ESE) The ESR is defined in IEEE 488.2. It can be compared with the EVENt part of a SCPI register. The event status register can be read out using command *ESR?.

  • Page 244: Operation Status Register (Status:operation)

    ® Remote Control Basics R&S SMC100A Status Reporting System Table 6-8: Meaning of the bits used in the questionable status register Bit No. Meaning 0–15 Not used 6.5.6 Operation Status Register (STATus:OPERation) This condition part contains information on the actions currently being performed by the instrument, while the event part contains information on the actions performed by the instrument since the last readout of the register.

  • Page 245: Serial Poll

    ® Remote Control Basics R&S SMC100A Status Reporting System Example: Use command *OPC to generate an SRQ . *ESE 1 - set bit 0 of ESE (Operation Complete) *SRE 32 - set bit 5 of SRE (ESB). After its settings have been completed, the instrument generates an SRQ.

  • Page 246: Reset Values Of The Status Reporting System

    ® Remote Control Basics R&S SMC100A General Programming Recommendations larly since faulty commands from the controller to the instrument are recorded there as well. 6.5.8 Reset Values of the Status Reporting System The following table contains the different commands and events causing the status reporting system to be reset.
  • Page 247 ® Remote Control Basics R&S SMC100A General Programming Recommendations Reacting to malfunctions The service request is the only possibility for the instrument to become active on its own. Each controller program should instruct the instrument to initiate a service request in case of malfunction. The program should react appropriately to the service request.

  • Page 248: Remote Control Commands

    ® Remote Control Commands R&S SMC100A Common Commands 7 Remote Control Commands In the following, all remote-control commands will be presented in detail with their parameters and the ranges of numerical values. For an introduction to remote control and the status registers, refer to Chapter 6, "Remote Control...

  • Page 249: Cls

    ® Remote Control Commands R&S SMC100A Common Commands ces. The headers of these commands consist of "*" followed by three letters. Many common commands are related to the Status Reporting System. Available common commands: ..........................234 *CLS ..........................234 *ESE ...........................234 *ESR? ..........................235...

  • Page 250: Idn

    ® Remote Control Commands R&S SMC100A Common Commands Usage: Query only *IDN? Identification Returns the instrument identification. Return values: <ID> "Rohde&Schwarz,<device type>,<serial number>,<firmware ver- sion>" Example: Rohde&Schwarz,SMC, 1407.6004k02/000000,3.1.17.1-03.01.158 Usage: Query only Manual operation: "Hardware Options / Software Options" on page 84...

  • Page 251: Pre

    ® Remote Control Commands R&S SMC100A Common Commands Manual operation: "Hardware Options / Software Options" on page 84 *PRE <Value> Parallel poll register enable Sets parallel poll enable register to the indicated value. The query returns the contents of the parallel poll enable register in decimal form.

  • Page 252: Sav

    ® Remote Control Commands R&S SMC100A Common Commands *SAV <Number> Save Stores the current instrument settings under the specified number in an intermediate memory. The settings can be recalled using the command with the associated *RCL number. To transfer the stored instrument settings in a file, use the command :MMEMory: STORe:STATe.

  • Page 253: Preset Commands

    ® Remote Control Commands R&S SMC100A Preset Commands Return values: <ErrorCode> integer > 0 (in decimal format) An error occurred. (For details see the Service Manual supplied with the instru- ment). No errors occurred. Usage: Query only *WAI Wait to continue...
  • Page 254 ® Remote Control Commands R&S SMC100A Preset Commands :SYSTem:PRESet Triggers an instrument reset. It has the same effect as: ● The PRESET key ● The *RST command For an overview of the settings affected by the preset function, see Chapter 5.2.2, "Default Instrument Settings - Preset...

  • Page 255: Calibration Subsystem

    ® Remote Control Commands R&S SMC100A CALibration Subsystem 7.4 CALibration Subsystem The CALibration system contains the commands for adjustment. Adjustment is trig- gered by the query commands. The response "0" indicates error-free adjustment, and the response "1" means that an error occurred during adjustment.
  • Page 256 ® Remote Control Commands R&S SMC100A CALibration Subsystem Example: CAL:FREQ:MEAS? starts the adjustments for maximum frequency accuracy. Response: "0" the adjustments have been performed successfully. Usage: Query only Manual operation: "Adjust Synthesis" on page 82 :CALibration<hw>:LEVel[:MEASure]? [<Force>] Starts all adjustments which affect the level.

  • Page 257: Diagnostic Subsystem

    ® Remote Control Commands R&S SMC100A DIAGnostic Subsystem Parameters: <Data> integer Range: 0 to INT_MAX *RST: 7.5 DIAGnostic Subsystem The DIAGnostic system contains the commands used for instrument diagnosis and servicing. SCPI does not define any DIAGnostic commands; the commands listed here are all device-specific.

  • Page 258: Display Subsystem

    ® Remote Control Commands R&S SMC100A DISPlay Subsystem :DIAGnostic<hw>:BGINfo:CATalog? Queries the names of the assemblies available in the instrument. Return values: <Catalog> string A complete list of all assemblies is returned (the various entries are separated by commas). The length of the list is variable and depends on the instrument equipment configuration.
  • Page 259 ® Remote Control Commands R&S SMC100A DISPlay Subsystem ..................244 :DISPlay:ANNotation:AMPLitude ..................244 :DISPlay:ANNotation:FREQuency ....................244 :DISPlay:ANNotation[:ALL] ....................245 :DISPlay:DIALog:CLOSe ..................245 :DISPlay:DIALog:CLOSe:ALL ...................... 245 :DISPlay:DIALog:ID? ....................245 :DISPlay:DIALog:OPEN ....................245 :DISPlay:PSAVe:HOLDoff ....................246 :DISPlay:PSAVe[:STATe] ......................246 :DISPlay:UPDate :DISPlay:ANNotation:AMPLitude <State> Indicates asterisks instead of the level values in the status bar.
  • Page 260 ® Remote Control Commands R&S SMC100A DISPlay Subsystem :DISPlay:DIALog:CLOSe <DialogId> Closes the specified dialog. To determine the dialog identifier, use command DISPlay:DIALog:ID?. Setting parameters: <DialogId> string Example: DISP:DIAL:CLOS "<dialog ID>" Closes the dialog, determined with the "<dialog ID>". Usage: Setting only :DISPlay:DIALog:CLOSe:ALL Closes all open dialogs.

  • Page 261: Format Subsystem

    ® Remote Control Commands R&S SMC100A FORMat Subsystem Parameters: <HoldoffTimeMin> integer Range: 1 to 60 *RST: Default unit: minute Example: DISP:PSAV:HOLD 8 Sets the timeout of the screen saver to 8 minutes. Manual operation: "Wait Time" on page 94 :DISPlay:PSAVe[:STATe] <State>...
  • Page 262 ® Remote Control Commands R&S SMC100A FORMat Subsystem ......................247 :FORMat:BORDer ......................247 :FORMat[:DATA] .......................247 :FORMat:SREGister :FORMat:BORDer <Border> Determines the sequence of bytes within a binary block. This only affects blocks which use the IEEE754 format internally. Parameters: <Border> NORMal | SWAPped...

  • Page 263: Hcopy Subsystem

    ® Remote Control Commands R&S SMC100A HCOPy Subsystem Parameters: <Format> ASCii | BINary | HEXadecimal | OCTal ASCii The register content is returned as a decimal number. BINary The register content is returned as a binary number. #B is placed in front of the number.

  • Page 264: Hcopy:device:language

    ® Remote Control Commands R&S SMC100A HCOPy Subsystem Return values: <Data> block data Example: HCOP:DEV:LANG JPG HCOP:DATA? Transfers the hardcopy to the remote client. Usage: Query only :HCOPy:DEVice <Device> Defines the output device. The hardcopy can be output in a file. The HCOPy:FILE:…...

  • Page 265: Hcopy:file[:Name]:Auto

    ® Remote Control Commands R&S SMC100A HCOPy Subsystem Usage: Event Manual operation: " Save " on page 110 :HCOPy:FILE[:NAME] <Name> Creates/selects a file into which the hardcopy is stored. The path is specified together with the filename. Access to the file via remote control is possible using the commands of the MMEM subsystem.

  • Page 266: Hcopy:file[:Name]:Auto:directory:clear

    ® Remote Control Commands R&S SMC100A HCOPy Subsystem :HCOPy:FILE[:NAME]:AUTO:DIRectory:CLEar Deletes all files with extensions "bmp", "img", "png" and "xpm" in the directory set for automatic naming. Example: HCOP:FILE:AUTO:DIR:CLE Deletes all image files with extensions "bmp", "img", "png" and "xpm". Usage:...

  • Page 267: Hcopy:file[:Name]:Auto[:File]:Month

    ® Remote Control Commands R&S SMC100A HCOPy Subsystem Return values: <Day> integer Range: 1 to 31 *RST: Example: HCOP:FILE:AUTO:DAY? Returns the day in the date part of the automatic filename. Usage: Query only :HCOPy:FILE[:NAME]:AUTO[:FILE]:DAY:STATe <State> Activates the usage of the day in the automatic filename.

  • Page 268: Hcopy:file[:Name]:Auto[:File]:Number

    ® Remote Control Commands R&S SMC100A HCOPy Subsystem :HCOPy:FILE[:NAME]:AUTO[:FILE]:NUMBer? Queries the number in the automatic filename. The number is assigned in such a way that always the lowest possible value for a unique filename within the selected path is used.

  • Page 269: Hcopy:file[:Name]:Auto[:File]:Year

    ® Remote Control Commands R&S SMC100A HCOPy Subsystem :HCOPy:FILE[:NAME]:AUTO[:FILE]:YEAR? Queries the year in the date part in the automatic filename. Return values: <Year> integer Range: 1784 to 8000 *RST: Example: HCOPy:FILE:AUTO:YEAR? Queries the year in the date part in the automatic filename.

  • Page 270: Kboard Subsystem

    ® Remote Control Commands R&S SMC100A KBOard Subsystem Manual operation: " File Options " on page 108 :HCOPy:IMAGe:SIZE <Size> Selects the image size of the hardcopy. The first value of the size setting defines the width, the second value the height of the image.

  • Page 271: Mmemory Subsystem

    ® Remote Control Commands R&S SMC100A MMEMory Subsystem Manual operation: "Layout (USB Keyboard Settings)" on page 95 7.10 MMEMory Subsystem The MMEMory subsystem (Mass Memory) contains the commands for managing files and directories as well as for loading and storing complete instrument settings in files.

  • Page 272: Extensions For User Files

    ® Remote Control Commands R&S SMC100A MMEMory Subsystem When used in conjunction with the commands, the parameter <file_name> is speci- fied as a string parameter with quotation marks. It can contain either the complete path including the drive, only the path and the file name, or only the file name. The file name must include the file extension.

  • Page 273: Remote Control Commands

    ® Remote Control Commands R&S SMC100A MMEMory Subsystem MMEM:CDIR '/var/user/'*SAV 4 MMEM:STOR:STAT 4,"test.savrcltxt" 4. Load the file test.savrcltxt in the user directory. MMEM:LOAD:STAT 4,'/var/user/test.savrcltxt' 5. Activate the instrument setting of the file test.savrcltxt. *RCL 4 Working with Files and Directories 1.
  • Page 274 ® Remote Control Commands R&S SMC100A MMEMory Subsystem ......................260 :MMEMory:COPY ......................261 :MMEMory:DATA ....................261 :MMEMory:DCATalog? ..................262 :MMEMory:DCATalog:LENGth? ......................262 :MMEMory:DELete ......................262 :MEMory:HFRee? ....................263 :MMEMory:LOAD:STATe ....................263 :MMEMory:MDIRectory ......................263 :MMEMory:MOVE ......................264 :MMEMory:MSIS ....................264 :MMEMory:RDIRectory ....................264 :MMEMory:STORe:STATe :MMEMory:CATalog? <path> Returns the content of a particular directory.
  • Page 275 ® Remote Control Commands R&S SMC100A MMEMory Subsystem Query parameters: <Path> string String parameter to specify the directory. If the directory is omit- ted, the command queries the content of the current directory, queried with command. :MMEMory:CDIRectory Return values: <FileCount>...
  • Page 276 ® Remote Control Commands R&S SMC100A MMEMory Subsystem Manual operation: " Copy " on page 116 :MMEMory:DATA <Filename>, <BinaryBlock> :MMEMory:DATA? <Filename> The setting command writes the block data <BinaryBlock> to the file identified by <Filename>. Set the GPIB-bus terminator to EOI to ensure correct data transfer.
  • Page 277 ® Remote Control Commands R&S SMC100A MMEMory Subsystem Return values: <Catalog> <file_entry> Names of the subdirectories separated by colons. The first two strings are related to the parent directory. Example: "Working with Files and Directories" on page 258. Usage: Query only :MMEMory:DCATalog:LENGth? [<Path>]...
  • Page 278 ® Remote Control Commands R&S SMC100A MMEMory Subsystem <HeapUsedKb> integer Used heap memory. <HeapAvailableKb> integer Available heap memory. Usage: Query only :MMEMory:LOAD:STATe <SavRclStateNumb>, <file_name> Loads the specified file stored under the specified name in an internal memory. After the file has been loaded, the instrument setting must be activated using an *RCL command.
  • Page 279 ® Remote Control Commands R&S SMC100A MMEMory Subsystem <DestinationFile> string String parameters to specify the name of the new file. Example: "Working with Files and Directories" on page 258. Usage: Event SCPI confirmed Manual operation: " Rename " on page 117 :MMEMory:MSIS <Msis>...

  • Page 280: Output Subsystem

    ® Remote Control Commands R&S SMC100A OUTPut Subsystem 7.11 OUTPut Subsystem The OUTPut system contains the commands which set the properties of the RF output connector. The properties of the LF output connector are set in the SOURce:LFOutput Subsystem system.
  • Page 281 ® Remote Control Commands R&S SMC100A OUTPut Subsystem Manual operation: " Fixed Range (PEP) In " on page 132 :OUTPut<hw>:AMODe <AMode> Selects the mode of the attenuator at the RF output (Attenuator MODe). Parameters: <AMode> AUTO | FIXed AUTO The attenuator is switched automatically. The level settings are made in the full range.
  • Page 282 ® Remote Control Commands R&S SMC100A OUTPut Subsystem :OUTPut<hw>:PROTection:TRIPped? Queries the state of the protective circuit. Return values: <Tripped> 0 | 1 | OFF | ON *RST: Example: OUTP:PROT:TRIP Queries the state of the protective circuit for RF output A.

  • Page 283: Sense, Read And Initiate Subsystems

    ® Remote Control Commands R&S SMC100A SENSe, READ and INITiate Subsystems 7.12 SENSe, READ and INITiate Subsystems The SENSe subsystem contains the commands for configuring the power measure- ments with R&S NRP-Zxx power sensor(s) connected to the generator. The measure- ment is started and the measurement result retrieved with the READ command.

  • Page 284: Sense[:Power]:Aperture:time

    ® Remote Control Commands R&S SMC100A SENSe, READ and INITiate Subsystems :SENSe<ch>[:POWer]:APERture:TIMe <ApTime> Defines the aperture time (size of the acquisition interval) for the corresponding sensor. Parameters: <ApTime> float Range: depends on connected power sensor Increment: 1E-9 *RST: depends on connected power sensor...

  • Page 285: Sense[:Power]:Correction:spdevice:state

    ® Remote Control Commands R&S SMC100A SENSe, READ and INITiate Subsystems Example: SENS:UNIT DBM selects unit dBm for presentation of measurement result. READ1? queries the measurement result of the sensor connected to the SENSOR interface. Response: -45.6246576745440230 -45.6 dBm were measured at the given frequency.

  • Page 286: Sense[:Power]:Display:permanent:priority

    ® Remote Control Commands R&S SMC100A SENSe, READ and INITiate Subsystems :SENSe<ch>[:POWer]:DISPlay:PERManent:PRIority <Priority> The command selects which power measurement result (average or peak power) is indicated when permanent display is active. Parameters: <Priority> AVERage | PEAK *RST: PEAK Example: SENS1:DISP:PERM:STAT ON the permanent viewer is switched on.

  • Page 287: Sense[:Power]:Filter:nsratio

    ® Remote Control Commands R&S SMC100A SENSe, READ and INITiate Subsystems Example: SENS:FILT:TYPE USER selects user filter mode. SENS:FILT:LENG 16 sets a filter length of 16. The resulting measurement time is 640 ms (2x16x20 ms). Manual operation: "Filter Length" on page 154 :SENSe<ch>[:POWer]:FILTer:NSRatio <NSRatio>...

  • Page 288: Sense[:Power]:Filter:sonce

    ® Remote Control Commands R&S SMC100A SENSe, READ and INITiate Subsystems :SENSe<ch>[:POWer]:FILTer:SONCe The command activates the search for the optimum filter length for the current mea- surement conditions. The found filter length can be retrieved with com- mand :SENSe:POWer:FILTer:LENGth:USER?. This command is only available for user filter mode (:SENSe:POWer:FILTer:TYPE USER).

  • Page 289: Sense[:Power]:Logging:state

    ® Remote Control Commands R&S SMC100A SENSe, READ and INITiate Subsystems :SENSe<ch>[:POWer]:LOGGing:STATe <State> Activates the recording of the power values, measured by a connected R&S NRP-Z power sensor. Parameters: <State> 0 | 1 | OFF | ON *RST: Example: SENS:LOGG:STAT ON activates recording of the power measurement of the first sen- sor.

  • Page 290: Sense[:Power]:Snumber

    ® Remote Control Commands R&S SMC100A SENSe, READ and INITiate Subsystems Parameters: <State> 0 | 1 | OFF | ON *RST: Example: SENS1:POW:OFFS 0.4dB sets a level offset of 0.4 dB SENS1:POW:OFFS:STAT ON a level offset of 0.4 dB is added to the measured value.

  • Page 291: Sense[:Power]:Sversion

    ® Remote Control Commands R&S SMC100A SENSe, READ and INITiate Subsystems Example: SENS:STAT? queries if a sensor is connected to the instrument. Response: 1 a sensor is connected to the POWER SENSOR interface. Usage: Query only Manual operation: " Sensor "...

  • Page 292: Source Subsystem

    ® Remote Control Commands R&S SMC100A SOURce Subsystem :SENSe<ch>:UNIT[:POWer] <Power> The command selects the unit used for result query with command READ. The power sensor provides the measured value in Watt. In which unit the measured value is returned is selected here and might be either Watt, dBm or dBuV.
  • Page 293 ® Remote Control Commands R&S SMC100A SOURce Subsystem The settings for the internal modulation source (LF generator) are made in the SOURce:LFOutput subsystem................... 278 [:SOURce<hw>]:AM[:DEPTh] ................. 278 [:SOURce<hw>]:AM:EXTernal:COUPling ..................278 [:SOURce<hw>]:AM:SENSitivity? ..................279 [:SOURce<hw>]:AM:SOURce .................... 279 [:SOURce<hw>]:AM:STATe [:SOURce<hw>]:AM[:DEPTh] <Depth>...

  • Page 294: Source:correction Subsystem

    ® Remote Control Commands R&S SMC100A SOURce Subsystem Example: AM:DEPT 50 sets a modulation depth of 50 %. AM:SENS? queries the input sensitivity at the external modulation input. Response: 50 since the voltage value for full modulation is 1V, the resulting sensitivity is precisely 50 %/V.
  • Page 295 ® Remote Control Commands R&S SMC100A SOURce Subsystem Each list is stored as a file. The name of the user correction file can be freely selected. The file extension *.uco is assigned automatically and cannot be changed. The files can be stored in a freely selectable directory and opened from there. The default directory is set using command on page 260.
  • Page 296 ® Remote Control Commands R&S SMC100A SOURce Subsystem Example: MMEM:CDIR '/var/user/ucor' selects the directory for the user correction files. CORR:CSET:CAT? queries which correction tables are available. Response:UCOR1,UCOR2,UCOR3 the correction tables UCOR1, UCOR2 and UCOR3 are availa- ble. Usage: Query only Manual operation: "Directory, File List and File Name"...
  • Page 297 ® Remote Control Commands R&S SMC100A SOURce Subsystem *RST does not affect data lists. The numerical suffix at SOURce must not be used for this command. Parameters: <Power> Power#1[, Power#2, ...] Example: CORR:CSET '/var/user/ucor1' selects the table ucor1. CORR:CSET:DATA:POW 1dB, 0.8dB, 0.75dB,...
  • Page 298 ® Remote Control Commands R&S SMC100A SOURce Subsystem The lists are stored with the fixed file extensions *.uco in a directory of the user's choice. The directory applicable to the commands is defined with the command MMEMory:CDIR. A path can also be specified in command SOUR:CORR:CSET:CAT?, in which case the file in the specified directory is deleted.
  • Page 299 ® Remote Control Commands R&S SMC100A SOURce Subsystem Example: MMEM:CDIR '/var/user/import' selects the directory for the ASCII files with frequency and level value pairs. CORR:DEXC:AFIL:EXT TXT selects that ASCII files with extension *.txt are listed. CORR:DEXC:AFIL:CAT? queries the available files with extension *.txt.
  • Page 300 ® Remote Control Commands R&S SMC100A SOURce Subsystem Example: CORR:DEXC:MODE EXP selects that the user correction list is exported into an ASCII file. CORR:DEXC:AFIL:SEL '/var/user/import_ucor.csv' selects ASCII file ucor.csv as destination for the user correction list data. CORR:DEXC:AFIL:SEP:COL TAB the pairs of frequency and level values are separated by a tabu- lator.
  • Page 301 ® Remote Control Commands R&S SMC100A SOURce Subsystem Example: CORR:DEXC:MODE IMP selects that ASCII files with frequency and level value pairs are imported and transferred into user correction lists. CORR:DEXC:AFIL:SEL '/var/user/import_ucor.csv' selects that ASCII file ucor.csv is imported. CORR:DEXC:SEL '/var/user/import_ucor_imp' selects that the ASCII file ucor.csv is imported into user cor-...
  • Page 302 ® Remote Control Commands R&S SMC100A SOURce Subsystem Example: CORR:DEXC:MODE IMP selects that ASCII files with frequency and level value pairs are imported and transferred into user correction lists. CORR:DEXC:AFIL:SEL '/var/user/import_ucor.csv' selects that ASCII file ucor.csv is imported. CORR:DEXC:SEL '/var/user/import_ucor_imp' selects that the ASCII file ucor.csv is imported into user cor-...

  • Page 303: Source:fm Subsystem

    ® Remote Control Commands R&S SMC100A SOURce Subsystem [:SOURce<hw>]:CORRection:VALue? Queries the current value for user correction. Return values: <Value> float Range: -100 to 100 Increment: 0.01 *RST: Example: CORR:VAL? queries the value currently used for level correction. Response: -3 the correction value is - 3 dB.
  • Page 304 ® Remote Control Commands R&S SMC100A SOURce Subsystem Parameters: <Deviation> float Range: 0 to dynamic Increment: 0.01 *RST: 1000 Example: FM 2E3 sets a 2 kHz deviation to the modulation signal. Manual operation: "FM Deviation" on page 174 [:SOURce<hw>]:FM:EXTernal:COUPling <Coupling>...
  • Page 305 ® Remote Control Commands R&S SMC100A SOURce Subsystem Parameters: <Deviation> float Range: 0 to dynamic Increment: 0.01 *RST: Example: FM:INT1:DEV 2E3 sets 2 kHz deviation for the freqeuncy modulation signal. Manual operation: "FM Deviation" on page 174 [:SOURce<hw>]:FM:SENSitivity? Queries the input sensitivity of the externally applied signal for frequency modulation.

  • Page 306: Source:frequency Subsystem

    ® Remote Control Commands R&S SMC100A SOURce Subsystem Example: FM:SOUR INT selects the internal modulation source. Manual operation: "FM Source" on page 173 [:SOURce<hw>]:FM:STATe <State> Activates frequency modulation. Note: Activation of FM deactivates phase modulation (PM). Parameters: <State> 0 | 1 | OFF | ON...
  • Page 307 ® Remote Control Commands R&S SMC100A SOURce Subsystem = (f CENTer STOP STARt Note: You can select any frequency within the setting range. The range is defined with the parameters [:SOURce<hw>]:FREQuency:STARt [:SOURce<hw>]: FREQuency:STOP. A defined offset and the multiplier factor affect the sweep frequency range and there- fore all correlated parameters.
  • Page 308 ® Remote Control Commands R&S SMC100A SOURce Subsystem Parameters: <Fixed> float Range: full frequency range Increment: see the data sheet: RF characteristics > Resolution of setting *RST: 100 MHz Example: FREQ 500kHz sets the frequency of RF output signal A to 500 kHz.
  • Page 309 ® Remote Control Commands R&S SMC100A SOURce Subsystem Example: SWE:MODE MAN sets the Step sweep mode. Example: FREQ:MODE SWE sets the frequency sweep mode. The sweep start frequency is output. FREQ:MAN UP triggers the next higher sweep step. FREQ:MAN 500MHz outputs 500 MHz RF frequency (must e within the sweep fre- quency range).
  • Page 310 ® Remote Control Commands R&S SMC100A SOURce Subsystem Parameters: <Multiplier> float Range: 1 to dynamic Increment: 0.001 *RST: Example: FREQ:MULT 1 sets the multiplication factor to 1. Manual operation: "Multiplier" on page 124 [:SOURce<hw>]:FREQuency:OFFSet <Offset> Sets the frequency offset of a downstream instrument, for example a mixer.
  • Page 311 ® Remote Control Commands R&S SMC100A SOURce Subsystem Example: FREQ:CENT 400 MHz sets the center frequency of the frequency sweep to 400 MHz. FREQ:SPAN 200 MHz sets a span of 200 MHz. This sets the sweep range to 300 MHz to 500 MHz.
  • Page 312 ® Remote Control Commands R&S SMC100A SOURce Subsystem ... f STARt MULTiplier OFFSet STOP MULTiplier OFFSet Parameters: <Stop> float Range: full frequency range Increment: see the data sheet: RF characteristics > Resolution of setting *RST: 500 MHz Example: FREQ:STOP 2 GHz sets the stop frequency for the frequency sweep to 2 GHz.

  • Page 313: Source:input Subsystem

    ® Remote Control Commands R&S SMC100A SOURce Subsystem Example: FREQ:STEP 50 kHz sets the step width for the frequency setting to 50 kHz. FREQ:STEP:MODE USER actives this step width for frequency variation with the rotary knob (manual control) and with frequency values UP/DOWN (remote control).

  • Page 314: Source:lfoutput Subsystem

    ® Remote Control Commands R&S SMC100A SOURce Subsystem 7.13.6 SOURce:LFOutput Subsystem The SOURce:LFOutput subsystem contains the commands for setting the LF signal source in CW and Sweep mode and for analog modulation. Example The following example shows how to set an LF sweep.
  • Page 315 ® Remote Control Commands R&S SMC100A SOURce Subsystem [:SOURce]:LFOutput<ch>:FREQuency <Frequency> Sets the frequency of the LF signal in LFO:FREQ:MODE CW|FIXed mode. Note: ● If signal source "Internal" is set, the instrument performs the analog modulations (AM/FM/ɸM/PM) with this freqeuncy. ●...
  • Page 316 ® Remote Control Commands R&S SMC100A SOURce Subsystem [:SOURce<hw>]:LFOutput:FREQuency:MODE <Mode> Sets the instrument operating mode, and determines the commands to be used for fre- quency settings. Parameters: <Mode> CW | FIXed | SWEep CW|FIXed Sets the CW frequency mode. CW and FIXed are synonyms.
  • Page 317 ® Remote Control Commands R&S SMC100A SOURce Subsystem [:SOURce<hw>]:LFOutput:FREQuency:STOP <Stop> Sets the stop frequency for the LF sweep. Parameters: <Stop> float Range: full frequency range Increment: see the data sheet: resolution of frequency setting *RST: 100 KHz Example: LFO:FREQ:STOP 10 kHz sets the stop frequency for the LF sweep to 10 kHz.
  • Page 318 ® Remote Control Commands R&S SMC100A SOURce Subsystem Example: LFO:SWE:MODE SING sets the single cycle mode of the LF sweep. LFO:SWE:EXEC starts one cycle of the LF sweep. Usage: Event Manual operation: " Execute Single Sweep " on page 183 [:SOURce<hw>]:LFOutput:SWEep[:FREQuency]:MODE <Mode>...
  • Page 319 ® Remote Control Commands R&S SMC100A SOURce Subsystem Manual operation: " Mode " on page 181 [:SOURce<hw>]:LFOutput:SWEep[:FREQuency]:POINts <Points> Determines the number of steps for the LF frequency sweep within the sweep range. This parameter always applies to the currently set sweep spacing and correlates with the step size as follows: ●...
  • Page 320 ® Remote Control Commands R&S SMC100A SOURce Subsystem Example: TRIG0:SWE:SOUR SING LFO:SWE:MODE SWE LFO:SWE:SHAP SAWT LFO:SWE:RETR ON activates retrace function, that menas the frequency changes to the value at start frequency while waiting for the next trigger event. Manual operation: "...
  • Page 321 ® Remote Control Commands R&S SMC100A SOURce Subsystem Parameters: <Spacing> LINear | LOGarithmic LINear With the linear sweep, the step width is a fixed frequency value which is added to the current frequency. The step width for lin- ear sweep is entered in Hz (see [:SOURce<hw>]:LFOutput:...
  • Page 322 ® Remote Control Commands R&S SMC100A SOURce Subsystem [:SOURce<hw>]:LFOutput:SWEep[:FREQuency]:STEP:LOGarithmic <Logarithmic> Sets the logarithmically determined sweep step size for the LF frequency sweep. It is expressed in percent and you must enter the value and the unit PCT with the com- mand.

  • Page 323: Source:modulation Subsystem

    ® Remote Control Commands R&S SMC100A SOURce Subsystem Example: LFO:VOLT 2 V sets the voltage of the LF output to 2 V. Manual operation: " LF Output Voltage " on page 180 7.13.7 SOURce:MODulation Subsystem This subsystem contains the command for switching on/off all modulations.

  • Page 324: Source:phase Subsystem

    ® Remote Control Commands R&S SMC100A SOURce Subsystem Example: PULM:SOUR INT selects the internal pulse generator as source for pulse modula- tion PULM:STAT ON activates pulse modulation. The pulse generator and the output of the signals at the PULSE VIDEO connector are automatically activated in addition.

  • Page 325: Source:pm Subsystem

    ® Remote Control Commands R&S SMC100A SOURce Subsystem 7.13.10 SOURce:PM Subsystem The PM subsystem contains the commands for checking the phase modulation. The settings for the internal modulation source (LF generator) are made in the SOURce:LFOutput subsystem. For information on the required options, see Chapter 5.4.4, "Phase Modulation...
  • Page 326 ® Remote Control Commands R&S SMC100A SOURce Subsystem [:SOURce<hw>]:PM:EXTernal:DEViation <Deviation> Sets the modulation deviation of the external phase modulation signal in RAD. The maximum value depends on the set RF frequency and the selected modulation mode (see data sheet). Parameters: <Deviation>...

  • Page 327: Source:power Subsystem

    ® Remote Control Commands R&S SMC100A SOURce Subsystem [:SOURce<hw>]:PM:SOURce <Source> Selects the modulation signal source for phase modulation. Parameters: <Source> INTernal | EXTernal INTernal Uses the internally generated signal for modulation. To configure the LF signal, use the commands of the...
  • Page 328 ® Remote Control Commands R&S SMC100A SOURce Subsystem .............316 [:SOURce<hw>]:POWer[:LEVel][:IMMediate]:RCL ...............316 [:SOURce<hw>]:POWer:LIMit[:AMPLitude] ..................317 [:SOURce<hw>]:POWer:LMODe ..................317 [:SOURce<hw>]:POWer:MANual ..................318 [:SOURce<hw>]:POWer:MODE ..................318 [:SOURce<hw>]:POWer:POWer ................319 [:SOURce<hw>]:POWer:SPC:CRANge ................319 [:SOURce<hw>]:POWer:SPC:DELay ................320 [:SOURce<hw>]:POWer:SPC:PEAK ................320 [:SOURce<hw>]:POWer:SPC:SELect ................320 [:SOURce<hw>]:POWer:SPC:STATe ................320 [:SOURce<hw>]:POWer:SPC:TARGet ..................321 [:SOURce<hw>]:POWer:STARt ..............
  • Page 329 ® Remote Control Commands R&S SMC100A SOURce Subsystem Parameters: <State> ON | OFF | AUTO Internal level control is permanently activated. Internal level control is deactivated; Sample & Hold mode is acti- vated. AUTO Internal level control is activated/deactivated automatically depending on the operating state.
  • Page 330 ® Remote Control Commands R&S SMC100A SOURce Subsystem Parameters: <State> 0 | 1 | OFF | ON *RST: Example: POW:EMF:STAT 1 activates voltage level display. Manual operation: " Display Level as Voltage of EMF - RF Level " on page 133 [:SOURce<hw>]:POWer[:LEVel][:IMMediate][:AMPLitude] <Amplitude>...
  • Page 331 ® Remote Control Commands R&S SMC100A SOURce Subsystem Entering a level offset does not change the RF output level, but rather the query value of :POWer. For more information, see "RF level vs. RF output level" on page 129. Only dB is permitted as the unit here. The linear units (V, W, etc.) are not permitted.
  • Page 332 ® Remote Control Commands R&S SMC100A SOURce Subsystem Parameters: <Amplitude> float Minimum level ... Maximum level The value range for the level setting varies according to the instrument model. The values are given in the data sheet. Increment: 0.01 *RST:...
  • Page 333 ® Remote Control Commands R&S SMC100A SOURce Subsystem Parameters: <Manual> float Minimum level ... Maximum level The value range for the level setting varies according to the instrument model The values are given in the data sheet. Increment: 0.01 *RST:...
  • Page 334 ® Remote Control Commands R&S SMC100A SOURce Subsystem The level entered with this command corresponds to the level at the RF output, i.e. any offset entry is not taken into consideration. Note: The SCPI command [:SOURce<hw>]:POWer[:LEVel][:IMMediate][: sets the level of the "Level" display, i.e. the level containing offset.
  • Page 335 ® Remote Control Commands R&S SMC100A SOURce Subsystem Example: :POW:SPC:DEL 2 ms the sensor starts the next reading 2 ms after the level adjust- ment. Manual operation: "Delay Time" on page 139 [:SOURce<hw>]:POWer:SPC:PEAK <PowCntrlPeak> Activates power control by means of the peak power values, provided the power sen- sor supports this function.
  • Page 336 ® Remote Control Commands R&S SMC100A SOURce Subsystem Parameters: <PowCntrlTarget> float Range: -50 to 30 Increment: 0.01 *RST: Example: SENS:UNIT dBm selects unit dBm for setting the target level value. POW:SPC:TARG -10 sets -10 dBm target level. Manual operation: "Target Level"...
  • Page 337 ® Remote Control Commands R&S SMC100A SOURce Subsystem Parameters: <Increment> float Range: full specified level range Increment: see the data sheet: Level sweep > Step size setting resolution *RST: Example: POW:STEP 2 sets the step width for entering the RF level to 2 dB.

  • Page 338: Source:pulm Subsystem

    ® Remote Control Commands R&S SMC100A SOURce Subsystem Example: POW:STOP 3 sets the stop level for the level sweep to 3 dBm for RF output A. Manual operation: " Stop Level - Level Sweep " on page 167 7.13.12 SOURce:PULM Subsystem This subsystem contains the commands for setting the pulse modulation.
  • Page 339 ® Remote Control Commands R&S SMC100A SOURce Subsystem // Set the polarity of the externally applied modulation signal. SOURce:PULM:POLarity NORMal // Select the impedance for the external pulse modulation trigger input SOURce:PULM:TRIGger:EXTernal:IMPedance G10K // ****************************************************************** // Configure the pulse generator settings...
  • Page 340 ® Remote Control Commands R&S SMC100A SOURce Subsystem SOURCe:PULM:TRAin:SEL ‘P_FIVE' // Enter the pulse train data SOURCe:PULM:TRAin:ONTime 10ns,30ns,40ns,20ns,10ns SOURCe:PULM:TRAin:OFFTime 30ns,40ns,50ns,40ns,30ns SOURCe:PULM:TRAin:REPetition 10,1,3,10,6 // ****************************************************************** // Select pulse train mode // ****************************************************************** // Select the internal modulation generator and the pulse mode...
  • Page 341 ® Remote Control Commands R&S SMC100A SOURce Subsystem [:SOURce<hw>]:PULM:DOUBle:DELay <Delay> Sets the delay from the start of the first pulse to the start of the second pulse. Parameters: <Delay> float Range: 1 us to 1 s Increment: 100 ns *RST:...
  • Page 342 ® Remote Control Commands R&S SMC100A SOURce Subsystem Parameters: <Mode> SINGle | DOUBle SINGle Enables single pulse generation. DOUBle Enables double pulse generation. The two pulses are generated in one pulse period. *RST: SINGle Example: PULM:MODE DOUB enables double pulse generation.
  • Page 343 ® Remote Control Commands R&S SMC100A SOURce Subsystem [:SOURce<hw>]:PULM:SOURce <Source> Selects the source for the pulse modulation signal. Parameters: <Source> INTernal | EXTernal INTernal The internally generated rectangular signal is used for the pulse modulation. The frequency of the internal signal can be set in the SOURce:LFOutput subsystem.
  • Page 344 ® Remote Control Commands R&S SMC100A SOURce Subsystem [:SOURce<hw>]:PULM:TRIGger:EXTernal:SLOPe <Slope> Sets the polarity of the active slope of an applied trigger at the PULSE EXT connector. Parameters: <Slope> NEGative | POSitive *RST: POSitive Example: PULM:TRIG:EXT:SLOP NEG The pulse generator is triggered on the negative slope of the external trigger signal.

  • Page 345: Source:roscillator Subsystem

    ® Remote Control Commands R&S SMC100A SOURce Subsystem 7.13.13 SOURce:ROSCillator Subsystem This subsystem contains the commands for setting the external and internal reference frequency. The settings of the reference oscillator are not affected by an instrument reset (*RST on page 236). They are only reset to factory state by the factory-preset (:SYSTem: on page 239).
  • Page 346 ® Remote Control Commands R&S SMC100A SOURce Subsystem Manual operation: "Deactivate RF Output (if external reference is missing)" on page 128 [:SOURce]:ROSCillator[:INTernal]:ADJust:VALue <Value> Specifies the frequency correction value (adjustment value). Parameters: <Value> integer Range: 0 to maximum value (see data sheet)

  • Page 347: Source:sweep Subsystem

    ® Remote Control Commands R&S SMC100A SOURce Subsystem Parameters: <Source> INTernal | EXTernal | ELOop INTernal The internal reference oscillator is used. EXTernal An external reference signal is used. It must be input at the REF IN connector at the rear of the instrument.

  • Page 348: [:Source]:Sweep[:Frequency]:Dwell

    ® Remote Control Commands R&S SMC100A SOURce Subsystem 5. Select the sweep mode and activate the sweep. [SOURce:]SWEep[:FREQuency]:MODE AUTO [SOURce:]FREQuency:MODE SWEep 6. Trigger the sweep. [SOURce:]SWEep[:FREQuency]:EXECute It is recommended that you switch off the "Start/Stop Display Update" for optimum sweep performance, especially with short dwell times (SYSTem:DISPlay:UPDate OFF).

  • Page 349: [:Source]:Sweep[:Frequency]:Execute

    ® Remote Control Commands R&S SMC100A SOURce Subsystem Manual operation: " Dwell Time - Frequency Sweep " on page 163 [:SOURce<hw>]:SWEep[:FREQuency]:EXECute Starts an RF frequency sweep cycle manually. The command is only effective in single mode. Example: TRIG:FSW:SOUR SING SOUR:SWE:FREQ:MODE AUT SWE:FREQ:EXEC triggers a frequency sweep at the RF output.

  • Page 350: [:Source]:Sweep[:Frequency]:Points

    ® Remote Control Commands R&S SMC100A SOURce Subsystem [:SOURce<hw>]:SWEep[:FREQuency]:POINts <Points> Determines the number of steps for the RF frequency sweep within the sweep range. This parameter always applies to the currently set sweep spacing and correlates with the step size as follows: ●...

  • Page 351: [:Source]:Sweep[:Frequency]:Running

    ® Remote Control Commands R&S SMC100A SOURce Subsystem [:SOURce<hw>]:SWEep[:FREQuency]:RUNNing? Queries the current state of the frequency sweep mode. Return values: <State> 0 | 1 | OFF | ON Example: SWE:RUNN? Response "1": signal generation in level sweep active. Usage: Query only [:SOURce<hw>]:SWEep[:FREQuency]:SHAPe <Shape>...

  • Page 352: [:Source]:Sweep[:Frequency]:Step[:Linear]

    ® Remote Control Commands R&S SMC100A SOURce Subsystem Parameters: <Spacing> LINear | LOGarithmic LINear With the linear sweep, the step width is a fixed frequency value which is added to the current frequency. The step width for lin- ear sweep is entered in Hz (see [:SOURce<hw>]:SWEep[:...

  • Page 353: [:Source]:Sweep[:Frequency]:Step:logarithmic

    ® Remote Control Commands R&S SMC100A SOURce Subsystem Example: FREQ:STAR 1GHz sets the start frequency to 1 GHz. FREQ:STOP 5GHz sets the stop frequency to 5 GHz. SWE:SPAC LIN sets linear sweep spacing. SWE:STEP 2 MHz sets the step width for linear sweep spacing to 2 MHz (RF sweep) at the RF output.

  • Page 354: [:Source]:Sweep:power:dwell

    ® Remote Control Commands R&S SMC100A SOURce Subsystem [:SOURce<hw>]:SWEep:POWer:DWELl <Dwell> Sets the time taken for each level step of the sweep. Tip: It is recommended to switch off the "Display Update" for optimum sweep perform- ance especially with short dwell times (SYSTem:DISPlay:UPDate OFF).

  • Page 355: [:Source]:Sweep:power:points

    ® Remote Control Commands R&S SMC100A SOURce Subsystem Parameters: <Mode> AUTO | MANual | STEP AUTO Each trigger triggers exactly one complete sweep. MANual The trigger system is not active. Each level step of the sweep is triggered individually, either by varying the "Current Level" value using the rotary knob under manual control or by means of a POW:MAN command under remote control.

  • Page 356: [:Source]:Sweep:power:retrace

    ® Remote Control Commands R&S SMC100A SOURce Subsystem [:SOURce<hw>]:SWEep:POWer:RETRace <State> Activates that the signal changes to the start level value while it is waiting for the next trigger event. You can enable this feature, when you are working with sawtooth shapes in sweep mode "Single"...

  • Page 357: [:Source]:Sweep:power:spacing:mode

    ® Remote Control Commands R&S SMC100A SOURce Subsystem Manual operation: "Shape - RF Level Sweep" on page 167 [:SOURce<hw>]:SWEep:POWer:SPACing:MODE? Queries the sweep spacing mode. The sweep spacing for level sweeps is always lin- ear. Return values: <Mode> LINear *RST: LINear...

  • Page 358: Status Subsystem

    ® Remote Control Commands R&S SMC100A STATus Subsystem [:SOURce<hw>]:SWEep:RESet[:ALL] Resets all active sweeps to the starting point. Example: SWE:RES resets all active sweeps to the starting point. Usage: Event Manual operation: " Reset Sweep - Frequency Sweep " on page 160 7.14 STATus Subsystem...

  • Page 359: Status:operation:enable

    ® Remote Control Commands R&S SMC100A STATus Subsystem Example: :STATus:OPERation:CONDition? queries the Status:Operation:Condition register. :STATus:OPERation:ENABle <Enable> Sets the bits of the ENABle part of the STATus:OPERation register. This setting deter- mines which events of the Status-Event part are forwarded to the sum bit in the status byte.

  • Page 360: Status:preset

    ® Remote Control Commands R&S SMC100A STATus Subsystem Example: :STAT:OPER:PTR 32767 all transitions from 0 to 1 in the condition part of the Status:Oper- ation register cause an entry to be made in the EVENt part. :STATus:PRESet <Preset> Resets the status registers. All PTRansition parts are set to FFFFh (32767), i.e. all transitions from 0 to 1 are detected.

  • Page 361: Status:questionable:ntransition

    ® Remote Control Commands R&S SMC100A STATus Subsystem Parameters: <Event> string Example: STAT:QUES:EVEN? queries the Status:Questionable:Event register. :STATus:QUEStionable:NTRansition <Ntransition> Sets the bits of the NTRansition part of the STATus:QUEStionable register. If a bit is set, a transition from 1 to 0 in the condition part causes an entry to be made in the EVENt part of the register.

  • Page 362: System Subsystem

    ® Remote Control Commands R&S SMC100A SYSTem Subsystem 7.15 SYSTem Subsystem The SYSTem subsystem contains a series of commands for general functions which do not directly affect signal generation....................348 :SYSTem:ERRor:ALL? ..................348 :SYSTem:ERRor:CODE:ALL? ..................349 :SYSTem:ERRor:CODE[:NEXT]? ....................349 :SYSTem:ERRor:COUNt? ....................349...

  • Page 363: System:error:all

    ® Remote Control Commands R&S SMC100A SYSTem Subsystem ..................... 361 :SYSTem:OSYStem? ................. 361 :SYSTem:MMEMory:PATH:USER? ......................361 :SYSTem:WAIT :SYSTem:ERRor:ALL? Queries the error/event queue for all unread items and removes them from the queue. The response is a comma separated list of error number and a short description of the error in FIFO order.

  • Page 364: System:error:code[:Next]

    ® Remote Control Commands R&S SMC100A SYSTem Subsystem :SYSTem:ERRor:CODE[:NEXT]? Queries the oldest entry in the error queue and then deletes it. Only the error number is returned and not the entire error text. Return values: <Next> string "No error", i.e. the error queue is empty...

  • Page 365: System:serror

    ® Remote Control Commands R&S SMC100A SYSTem Subsystem Example: SYST:ERR? queries the oldest entry in the error queue. Response: 0, 'no error' No errors have occurred since the error queue was last read out. Usage: Query only Manual operation: "History"...

  • Page 366: System:ulock

    ® Remote Control Commands R&S SMC100A SYSTem Subsystem Example: SYST:KLOC ON locks the front panel and external controls. To enable the con- trols, set SYST:KLOC OFF. Manual operation: "User Interface" on page 103 :SYSTem:ULOCk <Mode> Locks or unlocks the user interface of the instrument.

  • Page 367: System:communicate:gpib:self:address 28

    ® Remote Control Commands R&S SMC100A SYSTem Subsystem :SYSTem:COMMunicate:GPIB[:SELF]:ADDRess <Address> Sets the GPIB address. Parameters: <Address> integer Range: 1 to 30 *RST: Example: SYSTem:COMMunicate:GPIB:SELF:ADDRess 28 sets GPIB address. Manual operation: "GPIB channel address" on page 95 :SYSTem:COMMunicate:NETWork[:COMMon]:DOMain <Domain> Sets the primary suffix, that is the DNS name without the host name part.

  • Page 368: System:communicate:network[:Ipaddress]:Dns

    ® Remote Control Commands R&S SMC100A SYSTem Subsystem Example: SYSTem:COMMunicate:NETWork:COMMon:WORKgroup 'TEST_09' sets the workgroup name Manual operation: "Workgroup" on page 92 :SYSTem:COMMunicate:NETWork[:IPADdress]:DNS <DNS> Determines the net DNS server to resolve the name. Parameters: <DNS> string Example: SYST:COMM:NETW:IPAD:DNS 123.456.0.1 Manual operation: "DNS Server"...

  • Page 369: System:communicate:network[:Ipaddress]:Subnet:mask

    ® Remote Control Commands R&S SMC100A SYSTem Subsystem Example: SYSTem:COMMunicate:NETWork:IPADdress:GATeway '1.2.3.4' sets the IP address of the default gateway. Manual operation: "Default Gateway" on page 93 :SYSTem:COMMunicate:NETWork[:IPADdress]:SUBNet:MASK <Mask> Sets the subnet mask. Parameters: <Mask> string Example: SYSTem:COMMunicate:NETWork:IPADdress:SUBNet: MASK '255.255.0.0' determines the subnet mask.

  • Page 370: System:communicate:gpib:resource

    ® Remote Control Commands R&S SMC100A SYSTem Subsystem :SYSTem:COMMunicate:GPIB:RESource? Queries the visa resource string for remote control via the GPIB interface. To change the GPIB address, use the command :SYSTem:COMMunicate:GPIB[: SELF]:ADDRess. Return values: <Resource> string Example: SYSTem:COMMunicate:GPIB:RESource? queries the VISA resource string.

  • Page 371: System:communicate:serial:resource

    ® Remote Control Commands R&S SMC100A SYSTem Subsystem Example: SYSTem:COMMunicate:USB:RESource? queries the VISA resource string for remote control via the USB interface. Response: "USB::72::000000::INSTR" Usage: Query only Manual operation: "Visa Resource Strings" on page 96 :SYSTem:COMMunicate:SERial:RESource? Queries the visa resource string for the serial remote control interface. This string is used for remote control of the instrument.

  • Page 372: System:communicate:serial:sbits

    ® Remote Control Commands R&S SMC100A SYSTem Subsystem :SYSTem:COMMunicate:SERial:SBITs <SBits> Sets the number of stop bits for the serial remote control interface. Parameters: <SBits> 1 | 2 *RST: Example: SYST:COMM:SER:SBIT 2 selects 2 stop bits. Manual operation: "Stop Bits" on page 96...

  • Page 373: System:protect[:State]

    ® Remote Control Commands R&S SMC100A SYSTem Subsystem Note: While working in a emulation mode, the instrument's specific command set is disabled, i.e. the SCPI command SYSTem:LANGuage will be discarded. The return to the SCPI command set of the R&S SMC can only be performed by using the appropriate command of the selected command set.

  • Page 374: System:shutdown

    ® Remote Control Commands R&S SMC100A SYSTem Subsystem :SYSTem:SHUTdown Shuts down the instrument. Usage: Event :SYSTem:STARtup:COMPlete? Queries if the startup of the instrument is completed. Return values: <Complete> 0 | 1 | OFF | ON *RST: Example: SYST:STAR:COMP Response: 1 The startup of the instrument is completed.

  • Page 375: System:hclear

    ® Remote Control Commands R&S SMC100A SYSTem Subsystem Example: SYST:DATE? Response: "2011,05,01" it is the 1st of May, 2011. :SYSTem:HCLear Clears the history. Example: SYST:HCL Deletes the history entries. Usage: Event :SYSTem:TIME <Hour>, <Minute>, <Second> Queries or sets the time for the instrument-internal clock.

  • Page 376: System:version

    ® Remote Control Commands R&S SMC100A SYSTem Subsystem :SYSTem:VERSion? Queries the SCPI version the instrument's command set complies with. Return values: <Version> string Example: SYST:VERS queries the SCPI version. Response: "1996" The instrument complies with the SCPI version from 1996.

  • Page 377: Test Subsystem

    ® Remote Control Commands R&S SMC100A TEST Subsystem Usage: Setting only 7.16 TEST Subsystem The TEST system contains the commands for performing selftest routines, and for direct adjustment of the hardware assemblies (:TEST:DIRect). The self tests return a "0" if the test is performed successfully, otherwise a value other than "0"...

  • Page 378: Trigger Subsystem

    ® Remote Control Commands R&S SMC100A TRIGger Subsystem Usage: Query only Manual operation: "Start Selftest" on page 88 :TEST<hw>:DIRect <HW_assembly>,<subadress>,<hex data string> :TEST<hw>:DIRect? <HW_assembly>,<subadress> The respective hardware assembly responds directly to the command; any safety mechanisms are bypassed. This function is only available via remote control.
  • Page 379 ® Remote Control Commands R&S SMC100A TRIGger Subsystem .................365 :TRIGger<hw>:LFFSweep:SOURce ................366 :TRIGger<hw>:LFFSweep:IMMediate ..................366 :TRIGger<hw>:PSWeep:SOURce ................367 :TRIGger<hw>:PSWeep[:IMMediate] ..................367 :TRIGger<hw>[:SWEep]:SOURce ................368 :TRIGger<hw>[:SWEep][:IMMediate] ..................... 369 :TRIGger<hw>[:IMMediate] :TRIGger<hw>:FSWeep:SOURce <Source> Sets the trigger source for the RF frequency sweep. The names of the parameters correspond directly to the various settings under manual control.
  • Page 380 ® Remote Control Commands R&S SMC100A TRIGger Subsystem The command is only effective for sweep mode "Single" (SOUR:SWE:FREQ:MODE AUTO in combination with TRIG:FSW:SOUR SING). The command corresponds to the manual control "Execute Single Sweep". Example: SWE:FREQ:MODE AUTO sets the triggered sweep mode, i.e. a trigger is required to start the sweep.
  • Page 381 ® Remote Control Commands R&S SMC100A TRIGger Subsystem Parameters: <Source> AUTO | IMMediate | SINGle | BUS | EXTernal | EAUTo AUTO|IMMediate The trigger is free-running, i.e. the trigger condition is fulfilled continuously. As soon as one sweep is finished, the next sweep is started.
  • Page 382 ® Remote Control Commands R&S SMC100A TRIGger Subsystem Parameters: <Source> AUTO | IMMediate | SINGle | BUS | EXTernal | EAUTo AUTO|IMMediate The trigger is free-running, i.e. the trigger condition is fulfilled continuously. As soon as one sweep is finished, the next sweep is started.
  • Page 383 ® Remote Control Commands R&S SMC100A TRIGger Subsystem The names of the parameters correspond directly to the various settings under manual control. SCPI uses other names for the parameters; these names are also accepted by the instrument. The SCPI names should be used if compatibility is an important consid- eration.

  • Page 384: Unit Subsystem

    ® Remote Control Commands R&S SMC100A UNIT Subsystem Manual operation: " Execute Single Sweep - Frequency Sweep " on page 160 :TRIGger<hw>[:IMMediate] The command immediately starts the activated sweep. The command performs a single sweep and therefore applies to sweep mode AUTO with sweep source SINGle.

  • Page 385: Maintenance

    ® Maintenance R&S SMC100A Cleaning 8 Maintenance The instrument does not need periodic maintenance. Only the cleaning of the instru- ment is essential. Follow the instructions in the service manual and the safety instructions when exchanging modules or ordering spares. The order no. for spare parts is included in the service manual.

  • Page 386: Storing And Packing

    ® Maintenance R&S SMC100A Storing and Packing Instrument damage caused by cleaning agents Cleaning agents contain substances such as solvents (thinners, acetone, etc.), acids, bases, or other substances. Solvents can damage the front panel labeling, plastic parts, or screens, for example.

  • Page 387: Status Information, Error Messages And Troubleshooting

    ® Status Information, Error Messages and Troubleshooting R&S SMC100A Status Information 9 Status Information, Error Messages and Troubleshooting The R&S SMC distinguishes between a variety of different messages such as status messages, error messages, warnings, or information that are displayed in the "Info"...
  • Page 388 ® Status Information, Error Messages and Troubleshooting R&S SMC100A Status Information The frequency entered and displayed in the "Frequency" field takes any set frequency offset into consideration, e.g. an offset set for a downstream instrument. This means that with a frequency offset the frequency displayed in the header does not correspond to the frequency at the RF output, but rather to the frequency at the output of the down- stream instrument.

  • Page 389: Status Information Displayed To The Left Of The Info Line

    ® Status Information, Error Messages and Troubleshooting R&S SMC100A Status Information 9.1.2 Status information displayed to the left of the Info line This section gives an overview of the status messages displayed to the left of the Info line. REMOTE Indicates that the instrument is in remote control mode.

  • Page 390: Error Messages

    ® Status Information, Error Messages and Troubleshooting R&S SMC100A Error Messages ● Auto automatic level control is automatically adapted to the operating states ● S&H automatic level control off, recalibration of the level whenever the level or fre- quency is set (sample and hold mode) AttFixed Attenuator fixed mode is active.

  • Page 391: Permanent Messages

    ® Status Information, Error Messages and Troubleshooting R&S SMC100A Device-Specific Error Messages 9.2.2 Permanent messages Permanent messages are displayed if an error occurs that impairs further instrument operation, e.g. a hardware fault. The error signaled by a permanent message must be eliminated before correct instrument operation can be ensured.
  • Page 392 ® Status Information, Error Messages and Troubleshooting R&S SMC100A Device-Specific Error Messages Error Error Description Remedy Code ● Check the selected refer- Extern reference out of External reference is selected but no ence signal source (internal range or disconnected external signal is applied or the signal or external) in the "Setup >...

  • Page 393: Resolving Network Connection Failures

    ® Status Information, Error Messages and Troubleshooting R&S SMC100A Resolving Network Connection Failures Error Error Description Remedy Code Cannot open file The selected file can not be opened. Check the path and file name. Cannot write file The file can not be written.

  • Page 394: Obtaining Technical Support

    ® Status Information, Error Messages and Troubleshooting R&S SMC100A Obtaining Technical Support ● Check the network infrastructure. Exchange connecting cables if obvious damage is visible. ● Observe the link status LED on the R&S SMC or the connected network device.

  • Page 395: Annex

    ® Hardware Interfaces R&S SMC100A GPIB Bus Interface Annex A Hardware Interfaces This section covers hardware related topics, like pin assignment of the GPIB bus inter- face. The remote control interfaces are described in detailes in Chapter 6, "Remote Control Basics",...
  • Page 396 ® Hardware Interfaces R&S SMC100A GPIB Bus Interface IFC (Interface Clear): active LOW resets the interfaces of the instruments connec- ted to the default setting. ATN (Attention): active LOW signals the transmission of interface messages, inac- tive HIGH signals the transmission of device messages.

  • Page 397: List Of Commands

    ® List of Commands R&S SMC100A List of Commands :CALibration<hw>:ALL[:MEASure]?.......................240 :CALibration<hw>:FMOFfset[:MEASure]?..................... 240 :CALibration<hw>:FREQuency[:MEASure]?....................240 :CALibration<hw>:LEVel:EXTern:DATA......................241 :CALibration<hw>:LEVel[:MEASure]?......................241 :CALibration<hw>:ROSCillator[:DATA]......................241 :DIAGnostic:INFO:OTIMe?..........................243 :DIAGnostic:INFO:POCount?........................243 :DIAGnostic<hw>:BGINfo:CATalog?......................243 :DIAGnostic<hw>:BGINfo?..........................242 :DISPlay:ANNotation:AMPLitude........................244 :DISPlay:ANNotation:FREQuency......................... 244 :DISPlay:ANNotation[:ALL]..........................244 :DISPlay:DIALog:CLOSe..........................245 :DISPlay:DIALog:CLOSe:ALL........................245 :DISPlay:DIALog:ID?............................. 245 :DISPlay:DIALog:OPEN..........................245 :DISPlay:PSAVe:HOLDoff..........................245 :DISPlay:PSAVe[:STATe]..........................
  • Page 398 ® List of Commands R&S SMC100A :MEMory:HFRee?............................262 :MMEMory:CATalog:LENGth?........................259 :MMEMory:CATalog?.............................259 :MMEMory:CDIRectory..........................260 :MMEMory:COPY............................260 :MMEMory:DATA............................261 :MMEMory:DCATalog:LENGth?........................262 :MMEMory:DCATalog?..........................261 :MMEMory:DELete............................262 :MMEMory:LOAD:STATe..........................263 :MMEMory:MDIRectory..........................263 :MMEMory:MOVE............................263 :MMEMory:MSIS............................264 :MMEMory:RDIRectory..........................264 :MMEMory:STORe:STATe..........................264 :OUTPut<hw>:AFIXed:RANGe:LOWer?....................... 265 :OUTPut<hw>:AFIXed:RANGe:UPPer?......................265 :OUTPut<hw>:AMODe..........................266 :OUTPut<hw>:IMPedance?...........................266 :OUTPut<hw>:PROTection:CLEar........................ 266 :OUTPut<hw>:PROTection:TRIPped?......................267 :OUTPut<hw>[:STATe]..........................267...
  • Page 399 ® List of Commands R&S SMC100A :STATus:QUEStionable:ENABle........................345 :STATus:QUEStionable:NTRansition......................346 :STATus:QUEStionable:PTRansition......................346 :STATus:QUEStionable[:EVENt]........................345 :STATus:QUEue[:NEXT]?..........................346 :SYSTem:COMMunicate:GPIB:LTERminator....................351 :SYSTem:COMMunicate:GPIB:RESource?....................355 :SYSTem:COMMunicate:GPIB[:SELF]:ADDRess..................352 :SYSTem:COMMunicate:HISLip:RESource?....................355 :SYSTem:COMMunicate:NETWork:IPADdress.....................353 :SYSTem:COMMunicate:NETWork:IPADdress:MODE................. 353 :SYSTem:COMMunicate:NETWork:MACaddress..................354 :SYSTem:COMMunicate:NETWork:RESource?....................355 :SYSTem:COMMunicate:NETWork:RESTart....................354 :SYSTem:COMMunicate:NETWork:STATus?....................354 :SYSTem:COMMunicate:NETWork[:COMMon]:DOMain................352 :SYSTem:COMMunicate:NETWork[:COMMon]:HOSTname.................352 :SYSTem:COMMunicate:NETWork[:COMMon]:WORKgroup............... 352 :SYSTem:COMMunicate:NETWork[:IPADdress]:DNS.................. 353 :SYSTem:COMMunicate:NETWork[:IPADdress]:GATeway................353 :SYSTem:COMMunicate:NETWork[:IPADdress]:SUBNet:MASK..............354 :SYSTem:COMMunicate:SERial:BAUD......................356 :SYSTem:COMMunicate:SERial:PARity......................356...
  • Page 400 ® List of Commands R&S SMC100A :SYSTem:TIME:ZONE........................... 360 :SYSTem:TIME:ZONE:CATalog?........................360 :SYSTem:ULOCk............................351 :SYSTem:VERSion?............................361 :SYSTem:WAIT..............................361 :TEST<hw>:ALL:RESult?..........................362 :TEST<hw>:ALL:STARt..........................362 :TEST<hw>:DIRect............................363 :TRIGger<hw>:FSWeep:SOURce......................... 364 :TRIGger<hw>:FSWeep[:IMMediate]......................364 :TRIGger<hw>:LFFSweep..........................365 :TRIGger<hw>:LFFSweep:IMMediate......................366 :TRIGger<hw>:LFFSweep:SOURce......................365 :TRIGger<hw>:PSWeep:SOURce......................... 366 :TRIGger<hw>:PSWeep[:IMMediate]......................367 :TRIGger<hw>[:IMMediate]..........................369 :TRIGger<hw>[:SWEep]:SOURce......................... 367 :TRIGger<hw>[:SWEep][:IMMediate]......................368 :UNIT:ANGLe..............................369 :UNIT:POWer..............................369 [:SOURce]:CORRection:CSET:CATalog?..................... 280 [:SOURce]:CORRection:CSET:DELete......................282 [:SOURce]:INPut:TRIGger:SLOPe........................ 298 [:SOURce]:LFOutput:VOLTage........................
  • Page 401 ® List of Commands R&S SMC100A [:SOURce<hw>]:CORRection:VALue?......................288 [:SOURce<hw>]:CORRection:ZERoing:STATe.....................288 [:SOURce<hw>]:CORRection[:STATe]......................287 [:SOURce<hw>]:FM:EXTernal:COUPling......................289 [:SOURce<hw>]:FM:EXTernal:DEViation......................289 [:SOURce<hw>]:FM:INTernal:DEViation....................... 289 [:SOURce<hw>]:FM:SENSitivity?........................290 [:SOURce<hw>]:FM:SOURce........................290 [:SOURce<hw>]:FM:STATe...........................291 [:SOURce<hw>]:FM[:DEViation]........................288 [:SOURce<hw>]:FREQuency:CENTer......................291 [:SOURce<hw>]:FREQuency:MANual......................293 [:SOURce<hw>]:FREQuency:MODE......................294 [:SOURce<hw>]:FREQuency:MULTiplier...................... 294 [:SOURce<hw>]:FREQuency:OFFSet......................295 [:SOURce<hw>]:FREQuency:SPAN......................295 [:SOURce<hw>]:FREQuency:STARt......................296 [:SOURce<hw>]:FREQuency:STEP:MODE....................297 [:SOURce<hw>]:FREQuency:STEP[:INCRement]..................297 [:SOURce<hw>]:FREQuency:STOP......................296 [:SOURce<hw>]:FREQuency[:CW|FIXed].....................292 [:SOURce<hw>]:FREQuency[:CW|FIXed]:RCL.....................293 [:SOURce<hw>]:INPut:MODext:IMPedance....................298 [:SOURce<hw>]:LFOutput:FREQuency:MANual...................300 [:SOURce<hw>]:LFOutput:FREQuency:MODE.....................301 [:SOURce<hw>]:LFOutput:FREQuency:STARt.....................301 [:SOURce<hw>]:LFOutput:FREQuency:STOP....................302 [:SOURce<hw>]:LFOutput:SWEep[:FREQuency]:DWELl................302 [:SOURce<hw>]:LFOutput:SWEep[:FREQuency]:EXECute.................
  • Page 402 ® List of Commands R&S SMC100A [:SOURce<hw>]:POWer:ALC[:STATe]......................313 [:SOURce<hw>]:POWer:ATTenuation:RFOFf:MODE................... 314 [:SOURce<hw>]:POWer:EMF:STATe......................314 [:SOURce<hw>]:POWer:LIMit[:AMPLitude]....................316 [:SOURce<hw>]:POWer:LMODe........................317 [:SOURce<hw>]:POWer:MANual........................317 [:SOURce<hw>]:POWer:MODE........................318 [:SOURce<hw>]:POWer:POWer........................318 [:SOURce<hw>]:POWer:SPC:CRANge......................319 [:SOURce<hw>]:POWer:SPC:DELay......................319 [:SOURce<hw>]:POWer:SPC:PEAK......................320 [:SOURce<hw>]:POWer:SPC:SELect......................320 [:SOURce<hw>]:POWer:SPC:STATe......................320 [:SOURce<hw>]:POWer:SPC:TARGet......................320 [:SOURce<hw>]:POWer:STARt........................321 [:SOURce<hw>]:POWer:STEP:MODE......................322 [:SOURce<hw>]:POWer:STEP[:INCRement]....................321 [:SOURce<hw>]:POWer:STOP........................322 [:SOURce<hw>]:POWer[:LEVel][:IMMediate]:OFFSet.................. 315 [:SOURce<hw>]:POWer[:LEVel][:IMMediate]:RCL..................316 [:SOURce<hw>]:POWer[:LEVel][:IMMediate][:AMPLitude]................315 [:SOURce<hw>]:PULM:DELay........................
  • Page 403 ® List of Commands R&S SMC100A [:SOURce<hw>]:SWEep[:FREQuency]:SHAPe.................... 336 [:SOURce<hw>]:SWEep[:FREQuency]:SPACing..................336 [:SOURce<hw>]:SWEep[:FREQuency]:STEP:LOGarithmic................338 [:SOURce<hw>]:SWEep[:FREQuency]:STEP[:LINear]................. 337 *CLS................................234 *ESE................................234 *ESR?................................234 *IDN?................................235 *IST?................................235 *OPC................................235 *OPT?................................235 *PRE................................236 *PSC................................236 *RCL................................236 *RST................................236 *SAV................................237 *SRE................................237 *STB?................................237 *TRG................................237 *TST?................................237 *WAI................................238 SENSe<ch>[:POWer]:SNUMber?........................275 SENSe<ch>[:POWer]:STATus[:DEVice]?.....................

  • Page 404: Index

    ® Index R&S SMC100A Index Symbols Amplitude Annotation (setup security) ........103 *OPC ................222 Annotation *OPC? ................222 Amplitude (security) ..........103 *RST ................231 Frequency (security) ..........103 *WAI ................222 Aperture time /var directory ..............256 Power sensors ............155 &GTL ................
  • Page 405 ® Index R&S SMC100A CLPC see NRP-Z level control ..........135 Colon ................218 Data sheet ................. 13 Column Separator Import/Export - User Correction data 144 Data Valid ................380 DAV ................. 380 Comma ................218 Command sequence DCL ................. 197 Deactivate RF output ............128 recommendation ............
  • Page 406 ® Index R&S SMC100A Enter License Key ............. 85 File setup - Hardcopy ............108 EOI .................. 380 File type selection ............116 Error log ................379 Fill Table Range .............. 145 Error messages ............59, 372 Filter Adjustment data invalid (183) ........377 Power Sensors ............
  • Page 407 ® Index R&S SMC100A HiSLIP FILE ................111 Protocol ..............194 FREQ ................18 Resource string ............193 HELP ................16 Host name INFO ................18 see Computer name ........... 36 LEVEL ................. 18 Hostname LOCAL ................ 16 Network settings ............92 MOD ON/OFF .............
  • Page 408 ® Index R&S SMC100A LevelSweep ..............374 Modulation LF frequency sweep AM ................171 Retrace ..............185 FM ................173 LF gen frequency ........172, 174, 176, 180 PM ................177 LF Gen Voltage ............... 180 Pulse modulation ............177 ɸM ................175 LF generator ..............179...
  • Page 409 ® Index R&S SMC100A Numeric parameters ............215 New (security password) .......... 101 Numeric values New (user password (security) ......... 101 Special ..............216 Old (security password) ..........101 Paste ................116 PCI bus ................83 Period OCXO ................23 Pulse generator ............187...
  • Page 410 ® Index R&S SMC100A State ................. 178 Remote Control Trigger mode ............188 GPIB ................. 200 Pulse period Remote control switchover ..........199 Pulse generator ............187 Removing sensitive data ..........379 Pulse trigger input slope ..........188 REN ................. 380 Pulse width Rename ................
  • Page 411 ® Index R&S SMC100A RS232 Sensor Baud rate ..............96 NRP-Z level control ........... 138 Parity ................96 NRP-Z power control ..........320 Serial interface ............95 Power viewer ............150 Stop bits ..............96 Sequential commands ............. 221 Run Update ............... 86 Serial bus ................
  • Page 412 ® Index R&S SMC100A Spacing NTRansition .............. 226 Level Sweep ............. 168 parts ................225 Spacing - LF Sweep ............184 PTRansition .............. 226 Spacing - RF Sweep ............161 Status reporting system ..........223 Span (RF sweep) ............161 Application ..............
  • Page 413 ® Index R&S SMC100A Text paramters in remote commands ......217 Video-Sync signal state Toggle Summary Screen ..........94 Pulse generator ............187 Trigger VISA ................ 190, 193 Event (remote) ............237 Libraries ..............191 Trigger Input Slope ..........163, 169, 186 Resource string ..........

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R&s smc-b103R&s smc-b101R&s smc100aR&s smc-b1R&s smc-k4

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