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

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R&S
SMC100A
Signal Generator
Operating Manual
(>;XÊP)
1411.4060.32 ─ 04

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  • Page 1 ® R&S SMC100A Signal Generator Operating Manual (>;XÊP) 1411.4060.32 ─ 04...
  • Page 2 Rohde & Schwarz GmbH & Co. KG. Trade names are trademarks of the 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 Tags and their meaning The following signal words are used in the product documentation in order to warn the reader about risks and dangers. indicates a hazardous situation which, if not avoided, will result in death or serious injury.
  • Page 5 Basic Safety Instructions Electrical safety If the information on electrical safety is not observed either at all to the extent necessary, electric shock, fire and/or serious personal injury or death may occur. 1. Prior to switching on the product, always ensure that the nominal voltage setting on the product matches the nominal voltage of the AC supply network.
  • Page 6 Basic Safety Instructions 14. Use suitable overvoltage protection to ensure that no overvoltage (such as that caused by a bolt of lightning) can reach the product. Otherwise, the person operating the product will be exposed to the danger of an electric shock. 15.
  • Page 7 Basic Safety Instructions Repair and service 1. The product may be opened only by authorized, specially trained personnel. Before any work is performed on the product or before the product is opened, it must be disconnected from the AC supply network.
  • Page 8 Informaciones elementales de seguridad 2. Handles on the products are designed exclusively to enable personnel to transport the product. It is therefore not permissible to use handles to fasten the product to or on transport equipment such as cranes, fork lifts, wagons, etc. The user is responsible for securely fastening the products to or on the means of transport or lifting.
  • Page 9 Informaciones elementales de seguridad Se parte del uso correcto del producto para los fines definidos si el producto es utilizado conforme a las indicaciones de la correspondiente documentación del producto y dentro del margen de rendimiento definido (ver hoja de datos, documentación, informaciones de seguridad que siguen). El uso del producto hace necesarios conocimientos técnicos y ciertos conocimientos del idioma inglés.
  • Page 10 Informaciones elementales de seguridad Palabras de señal y su significado En la documentación del producto se utilizan las siguientes palabras de señal con el fin de advertir contra riesgos y peligros. PELIGRO identifica un peligro inminente con riesgo elevado que provocará...
  • Page 11 Informaciones elementales de seguridad Seguridad eléctrica Si no se siguen (o se siguen de modo insuficiente) las indicaciones del fabricante en cuanto a seguridad eléctrica, pueden producirse choques eléctricos, incendios y/o lesiones graves con posible consecuencia de muerte. 1. Antes de la puesta en marcha del producto se deberá comprobar siempre que la tensión preseleccionada en el producto coincida con la de la red de alimentación eléctrica.
  • Page 12 Informaciones elementales de seguridad 12. Si un producto se instala en un lugar fijo, se deberá primero conectar el conductor de protección fijo con el conductor de protección del producto antes de hacer cualquier otra conexión. La instalación y la conexión deberán ser efectuadas por un electricista especializado. 13.
  • Page 13 Informaciones elementales de seguridad 5. Ciertos productos, como p. ej. las instalaciones de radiocomunicación RF, pueden a causa de su función natural, emitir una radiación electromagnética aumentada. Deben tomarse todas las medidas necesarias para la protección de las mujeres embarazadas. También las personas con marcapasos pueden correr peligro a causa de la radiación electromagnética.
  • Page 14 Informaciones elementales de seguridad 6. En caso de falta de estanqueidad de una celda, el líquido vertido no debe entrar en contacto con la piel ni los ojos. Si se produce contacto, lavar con agua abundante la zona afectada y avisar a un médico.
  • Page 15 Sicherheitshinweise Kundeninformation zur Batterieverordnung (BattV) Dieses Gerät enthält eine schadstoffhaltige Batterie. Diese darf nicht mit dem Hausmüll entsorgt werden. Nach Ende der Lebensdauer darf die Entsorgung nur über eine Rohde&Schwarz-Kundendienststelle oder eine geeig- nete Sammelstelle erfolgen. Safety Regulations for Batteries (according to BattV) This equipment houses a battery containing harmful sub- stances that must not be disposed of as normal household...
  • Page 16 Customer Information Regarding Product Disposal The German Electrical and Electronic Equipment (ElektroG) Act is an implementation of the following EC directives: • 2002/96/EC on waste electrical and electronic equipment (WEEE) and • 2002/95/EC on the restriction of the use of certain hazardous substances in e lectrical and electronic equipment (RoHS).
  • Page 17 Qualitätszertifikat Certified Quality System ISO 9001 Certificate of quality Certified Environmental System Certificat de qualité ISO 14001 Sehr geehrter Kunde, Dear Customer, Cher client, Sie haben sich für den Kauf eines You have decided to buy a Vous avez choisi d’acheter un pro- Rohde &...
  • Page 18 Certificate No.: 2010-6 This is to certify that: Equipment type Stock No. Designation SMC100A 1411.4002.02 SIGNAL GENERATOR complies with the provisions of the Directive of the Council of the European Union on the approximation of the laws of the Member States...
  • Page 19 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 20: Table Of Contents

    ® Contents R&S SMC100A Contents 1 Preface....................11 Documentation Overview...................11 Typographical Conventions..................12 2 Preparing for Use.................13 Front Panel Tour......................13 2.1.1 Utility Keys........................14 2.1.2 Standby LEDs and Standby Key...................14 2.1.3 Display..........................14 2.1.4 Setup Keys........................15 2.1.4.1 Keys for Setting Paramters...................15 2.1.4.2 Display Keys.........................15 2.1.5...
  • Page 21 ® Contents R&S SMC100A 2.6.1 Connecting the Instrument to the Network..............31 2.6.2 Assigning the IP Address....................31 2.6.3 Using Computer Names....................33 Remote Access via an External Controller...............33 2.7.1 Using a Web Browser for Remote Access..............34 2.7.2 Remote Access via Ultr@VNC..................35 3 Getting Started..................41 Brief Introduction to the Instrument's Concept............41...
  • Page 22 ® Contents R&S SMC100A 4.4.7 Terminating Entries with Confirmation................64 4.4.8 Restoring the Previous Value..................65 Editors..........................66 4.5.1 Working with List Editor....................66 How to Use the Help System..................67 File Management......................69 4.7.1 File Select Dialog......................70 4.7.2 File Manager.........................71 4.7.2.1 Extensions for User Files....................72 Legend of Front-Panel Controls................72...
  • Page 23 ® Contents R&S SMC100A 5.2.4 Switching to Manual Control - Local Key..............96 5.2.5 Generating a Hard Copy of the Display................96 5.2.5.1 Hardcopy Dialog......................97 5.2.5.2 Hardcopy Options......................97 5.2.6 Messages - Info Key.....................99 5.2.7 Help System - Help Key....................100 5.2.8 Storing and Loading Instrument Data - File Key............100 5.2.8.1...
  • Page 24 ® Contents R&S SMC100A 5.3.8.2 User Correction......................126 5.3.9 Sweep Mode.......................133 5.3.9.1 Overview........................133 5.3.9.2 RF Frequency Sweep....................134 5.3.9.3 RF Level Sweep......................141 Modulations.......................146 5.4.1 Overview........................146 5.4.1.1 Enabling/Disabling Analog Modulations using the MOD On/Off Key......146 5.4.1.2 Modulation Sources....................147 5.4.2 Amplitude Modulation (AM)..................147 5.4.2.1 Amplitude Modulation Menu..................148...
  • Page 25 ® Contents R&S SMC100A 6.1.5 Serial Interface......................169 6.1.6 GPIB Interface (IEC/IEEE Bus Interface)..............170 6.1.6.1 GPIB Interface Messages...................170 6.1.6.2 GPIB Instrument Address...................171 Starting a Remote Control Session.................172 6.2.1 Switching to Remote Control..................172 6.2.2 Returning to Manual Operation...................173 6.2.3 Examples........................173 6.2.3.1 Remote Control over GPIB..................174 6.2.3.2...
  • Page 26 ® Contents R&S SMC100A 6.5.6 Reset Values of the Status Reporting System............202 General Programming Recommendations.............203 7 Remote Control Commands..............205 Common Commands....................205 Preset Commands.....................209 CALibration Subsystem...................211 DIAGnostic Subsystem....................212 DISPlay Subsystem....................214 FORMat Subsystem....................215 HCOPy Subsystem....................216 KBOard Subsystem....................223 MMEMory Subsystem....................224 7.9.1 File Naming Conventions....................224 7.9.2...
  • Page 27 ® Contents R&S SMC100A 7.13 STATus Subsystem....................298 7.14 SYSTem Subsystem....................302 7.15 TEST Subsystem.......................314 7.16 TRIGger Subsystem....................316 7.17 UNIT Subsystem......................320 8 Maintenance..................323 Storing and Packing....................323 9 Error Messages..................325 Status Information....................325 9.1.1 Status information displayed between the frequency and level fields......325 9.1.2 Status information displayed to the left of the Info line..........326...

  • Page 28: Preface

    ® Preface R&S SMC100A Documentation Overview 1 Preface 1.1 Documentation Overview The user documentation for the R&S SMC consists of the following parts: ● Online Help system on the instrument, ● "Quick Start Guide" printed manual, ● Documentation CD-ROM with: –...

  • Page 29: Typographical Conventions

    ® Preface R&S SMC100A Typographical Conventions Release Notes The release notes describe new and modified functions, eliminated problems, and last minute changes to the documentation. The corresponding firmware version is indicated on the title page of the release notes. The current release notes are provided in the Internet.

  • Page 30: Preparing For Use

    ® Preparing for Use R&S SMC100A Front Panel Tour 2 Preparing for Use The following topics will help you to get familiar with the instrument and perform the first steps: ● ​ F ront Panel Tour ● ​ R ear Panel Tour ●...

  • Page 31: Utility Keys

    ® Preparing for Use R&S SMC100A Front Panel Tour 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. For more information refer to chapter "Instrument Settings".

  • Page 32: Setup Keys

    ® Preparing for Use R&S SMC100A Front Panel Tour – Status messages – Brief error messages. To access an window with detailed information for a message, use the INFO key. ● Block diagram The block diagram shows the current configuration and the signal flow in the gener- ator with the aid of function blocks containing an on/off switch.

  • Page 33: Keypad For Data Entry

    ® Preparing for Use R&S SMC100A Front Panel Tour DIAGRAM Brings the block diagram to the foreground. Active menus are minimized. The function of this key depends on the current cursor position. ● Calls the next higher selection level. ●...

  • Page 34: Rotary Knob And Navigation Keys

    ® Preparing for Use R&S SMC100A Front Panel Tour Keys Description Unit keys Selects a unit and thus determine the absolute value, or changes the unit, i.e. trigger a recal- culation without changing the absolute value. The function depends on the time at which the UNIT key is used during parameter entry (see ​...

  • Page 35: Front Panel Connectors

    ® Preparing for Use R&S SMC100A Front Panel Tour The navigation keys consist of 4 arrow keys which are used for navigation, alternatively to the rotary knob. UP/ DOWN The up and down arrow keys do the following: KEYS ●...

  • Page 36: Rear Panel Tour

    ® Preparing for Use R&S SMC100A Rear Panel Tour 2.2 Rear Panel Tour This section gives an overview of connectors on the rear panel of the instrument. Each connector is briefly described and a reference is given to the chapters containing detailed information.
  • Page 37 ® Preparing for Use R&S SMC100A Rear Panel Tour CAUTION! Danger of shock hazard!. Before replacing the fuses, disconnect the power cord from the R&S SMC. IEC 625/IEEE 488 IEC-bus (IEEE 488) interface for remote control of the instrument. See also ​...

  • Page 38: 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 39: Unpacking And Checking The Instrument

    ® Preparing for Use R&S SMC100A Putting into Operation Risk of instrument damage during operation An unsuitable operating site or test setup can cause damage to the instrument and to connected devices. Ensure the following operating conditions before you switch on the instrument: ●...

  • Page 40: Placing Or Mounting The Instrument

    ® Preparing for Use R&S SMC100A Putting into Operation 3. Carefully unthread the corrugated cardboard cover at the front that protects the instrument handles and remove it. 4. Check the equipment for completeness using the delivery note and the accessory lists for the various items.

  • Page 41: Connecting The Instrument To The Ac Supply

    ® Preparing for Use R&S SMC100A Putting into Operation Rackmounting The R&S SMC can be installed in a rack using a rack adapter kit (Order No. see data sheet). The installation instructions are part of the adapter kit. Risk of instrument damage in a rack An unsufficient airflow can cause the instrument to overheat, which may disturb the oper- ation and even cause damage.

  • Page 42: Standby And Ready State

    ® Preparing for Use R&S SMC100A Putting into Operation 2.3.4.1 Standby and Ready state The ON/STANDBY key is located in the bottom left corner of the front panel. Switching between standby and ready state ► Press the ON/STANDBY key briefly to switch the instrument from the standby to ready state or vice versa.

  • Page 43: Default Settings

    ® Preparing for Use R&S SMC100A Putting into Operation Press the SETUP key and select "System > Internal Adjustments" to access the dia- log for preforming and configuring of the adjustments settings. A maximum level accuracy can be obtained, for instance.

  • Page 44: Shutting Down The Instrument

    ® Preparing for Use R&S SMC100A Putting into Operation ● GPIB address ("Setup" menu) ● *IDN? Identification and emulation ("Setup" menu) ● Password and settings protected by passwords ("Setup" menu) ● Start/Stop Gui Update ("Setup" menu) ● Display and keyboard settings ("Setup" menu) User-defined instrument states can be stored and called up in the "File"...

  • Page 45: Connecting External Accessories

    ® Preparing for Use R&S SMC100A Connecting External Accessories Shock hazard Before replacing a fuse, make sure that the instrument is switched off and disconnected from all power supplies. Always use fuses supplied by Rohde & Schwarz as spare parts, or fuses of the same type and rating.

  • Page 46: Linux Operating System

    ® Preparing for Use R&S SMC100A Linux Operating System Connecting a memory stick or CD-ROM drive If installation of a memory stick or CD-ROM drive is successful, the operating system informs you that the device is ready to use. The device is made available as a new drive (/usb).

  • Page 47: Setting Up A Network (Lan) Connection

    ® Preparing for Use R&S SMC100A Setting Up a Network (LAN) Connection is possible via a memory stick connected to a USB interface. The memory stick and the flash memory are accessed via the "File Manager". Accsessing the File System...

  • Page 48: Connecting The Instrument To The Network

    ® Preparing for Use R&S SMC100A Setting Up a Network (LAN) Connection Accessing Operating System The operating system cannot be accessed. All necessary system settings can be made in the "Setup" dialog. 2.6.1 Connecting the Instrument to the Network There are two methods to establish a LAN connection to the instrument: ●...
  • Page 49 ® Preparing for Use R&S SMC100A Setting Up a Network (LAN) Connection ● If the network does not support DHCP, the instrument tries to obtain the IP address via Zeroconf (APIA) protocol. If this attempt does not succeed or if the instrument is set to use alternate TCP/IP configuration, the addresses must be set manually.

  • Page 50: Using Computer Names

    ® Preparing for Use R&S SMC100A Remote Access via an External Controller 8. If necessary, you can also select "Use the following DNS server addresses" and enter your own DNS addresses. For more information refer to the Windows XP Help.

  • Page 51: 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 appli- cation connec- on the instru- on the remote tion ment computer Web Browser required e.g.

  • Page 52: Remote Access Via Ultr@Vnc

    ® Preparing for Use R&S SMC100A Remote Access via an External Controller 2. Instal the Java Runtime Environment JRE on the remote computer. 3. Type the instruments' IP address in the address field of the Web browser on your PC, e.g.
  • Page 53 ® Preparing for Use R&S SMC100A Remote Access via an External Controller 3. In the ICF firewall, enable communication on the network via Ultr@VNC program. 4. Install the VNC Viewer on the remote computer with Windows operating system, see ​...
  • Page 54 ® Preparing for Use R&S SMC100A Remote Access via an External Controller 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 55 ® 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 set- tings may be changed according to the user-specific security requirements.
  • Page 56 ® Preparing for Use R&S SMC100A Remote Access via an External Controller 3. Enter the password as defined in the "Default Local System Properties" panel of the Ultr@VNC program and select "Log On". The connection is established, the instrument is remote accessed and the current signal generator screen with the block diagram is displayed.
  • Page 57 ® 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 established again any time.

  • Page 58: 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 and provides an introduction to the general concept of the instrument with a sample of the possible application fields as well as a description of the main blocks in the signal generation flow.
  • Page 59 ® Getting Started R&S SMC100A Brief Introduction to the Instrument's Concept Fig. 3-1: Block diagram of a fully equipped R&S Signal Generator With the aid of the rotary knob, the user can navigate in the block diagram and the dialogs, and can operate the instrument with one hand.

  • Page 60: Application Field Of The Instrument

    ® Getting Started R&S SMC100A Application Field of the Instrument Remote Access Remote access is the operating of the instrument from a remote computer. Both the R&S SMC and the computer are connected in a LAN. Remote access in contrast to remote control does not use remote-control commands but a separate software which is installed on the remote computer.
  • Page 61 ® Getting Started R&S SMC100A Description of Individual Diagram Blocks One of the following options must be installed. ● R&S SMC-B101 (9 kHz to 1.1 GHz) ● R&S SMC-B103 (9 kHz to 3.2 GHz) Up-to-date information is available at R&S SMC homepage on the internet http:// www2.rohde-schwarz.com/product/smc100a.html.

  • Page 62: Example Of Setup

    ® Getting Started R&S SMC100A Example of Setup RF block In this block, the RF parameters and frequency/level sweep settings are set. The active sweep is displayed in the block. The RF ON/OFF key switches the RF signal on and off. When the signal is switched off, the switch before the RF output symbol is open.
  • Page 63 ® Getting Started R&S SMC100A Example of Setup 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. c) Turn the rotary knob and highlight "Amplitude Mod...".
  • Page 64 ® Getting Started R&S SMC100A Example of Setup d) Turn the rotary knob to select the "RF" block. Press the RF ON/OFF key to activate the "RF" block. The AM modulation signal is now present at the RF output. Generation of an RF Frequency Sweep Signal In the example, an RF frequency sweep is configured.
  • Page 65 ® Getting Started R&S SMC100A Example of Setup c) Turn the rotary knob and highlight "RF Frequency Sweep...". Press the rotary knob to open the "RF Frequency Sweep" dialog. All sweep parameters are default except for the sweep mode. The default settings are not changed.
  • Page 66 ® Getting Started R&S SMC100A Example of Setup 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. 1 GHz and -30 dBm. The sweep is not yet active, it must be triggered in the sweep dialog.

  • Page 68: 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 69 ® Manual Operation R&S SMC100A Key Features +T) key. The menus of the highlighted function blocks can be called by pressing the ENTER key. – Example: The "Modulation" block contains all menus required for modulation signal con- figuration. In this block all modulations can be selected.
  • Page 70 ® 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 71: Display

    ® Manual Operation R&S SMC100A Display 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. It is divided into three sections: ●...

  • Page 72: Status Information And Messages

    ® Manual Operation R&S SMC100A Display The value displayed in the "Freq" and "Level" field does not consider any offset set or multiplier factor. For more information see ​ Settings", on page 108 and ​ c hapter 5.3.2, "RF Frequency chapter 5.3.6, "Overview RF Level...

  • Page 73: Permanent Messages

    ® Manual Operation R&S SMC100A Display These messages can be read from remote using ​ or ​ S YST:ERR? YST:ERR:ALL?. 4.2.2.4 Permanent Messages Permanent messages are displayed if an error occurs that impairs further instrument operation, e.g. a hardware fault. The error signalled by a permanent message must be eliminated before correct instrument operation can be ensured.

  • Page 74: Block Diagram

    ® Manual Operation R&S SMC100A Display 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 75: Signal Flow And Input/Output Symbols In The Block Diagram

    ® Manual Operation R&S SMC100A Display 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 outputs of the signal generator. Unused inputs and outputs are not shown. The lines indicate the signal flow.

  • Page 76: Accessing Dialogs

    ® Manual Operation R&S SMC100A Accessing Dialogs respective item is disabled and displayed in gray and the entry or selection field cannot be accessed. 4.3 Accessing Dialogs The MENU (CTRL+M) key opens the complete menu tree. Selecting a functional block and pressing the ENTER key opens the menu associated with this block.

  • Page 77: Setting Parameters

    ® Manual Operation R&S SMC100A Setting Parameters 4.4 Setting Parameters The R&S SMC offers several and sometimes alternative possibilities for setting param- eters. Operation is possible from the front panel, with the aid of a mouse and/or from a PC keyboard.

  • Page 78: Selecting A Control Element

    ® Manual Operation R&S SMC100A Setting Parameters Moving the cursor on the display ► To move the cursor, use one of the following alternative methods: a) Use the rotary knob or the arrow keys. b) Use the "Winbar" key in the key emulation to toggle between the active dialogs.

  • Page 79: Entering A Value

    ® Manual Operation R&S SMC100A Setting Parameters ● Press the TOGGLE ON OFF (CTRL+T) key. Colour and label of a button change, the check box is ticked or the tick is removed. 4.4.4 Entering a Value Numeric and alphanumeric values can be edited in the entry fields. In the editing mode, cursors of different colour are used.

  • Page 80: Working With Units

    ® Manual Operation R&S SMC100A Setting Parameters 3. To vary the selected value, use the UP/DOWN arrow key or turn the rotary knob. The value is increased or decreased. Entering a new alphanumerical value 1. Select the parameter. 2. Press an alphanumeric key to start the editing mode.

  • Page 81: Selecting A Value From A List

    ® Manual Operation R&S SMC100A Setting Parameters 2. Select a "Unit" in the selection field next to the parameter value. Press the ENTER key. The unit displayed in the entry field next to the value is assigned. Changing a unit To subsequently change a unit, i.e.

  • Page 82: Restoring The Previous Value

    ® Manual Operation R&S SMC100A Setting Parameters Confirming multiple values In some cases, like for instance when editing data in a user correction table, it is useful first to enter few values and to confirm them together. Such settings require additional confirmation.

  • Page 83: Editors

    ® Manual Operation R&S SMC100A Editors Restoring values after an extended calculation has been started Calculation and setting might require different period of time. Many settings are made without noticeable calculation times; such operations are indicated by a "BUSY" message displayed in the status field of the header section.

  • Page 84: How To Use The Help System

    ® Manual Operation R&S SMC100A How to Use the Help System Use the UP/DOWN arrow keys to mark a row. 3. Use the numeric keys to enter the value for the value pairs in the "Frequency/Hz" and "Power/dBm" table columns. A blank row is inserted at the end of the list.
  • Page 85 ® Manual Operation R&S SMC100A How to Use the Help System The help dialog is displayed. A topic containing information about the current menu or the currently opened dialog box and its function is displayed. On top, the help dialog box contains a navigation bar with: ●...

  • Page 86: File Management

    ® Manual Operation R&S SMC100A File Management Closing the help window ► Press the HELP (F1) key. 4.7 File Management The R&S SMC uses files to save all instrument data, i.e. system and user data. The user data includes saved instrument settings and lists and the user correction.

  • Page 87: File Select Dialog

    ® Manual Operation R&S SMC100A File Management Accessing files with user data 1. To access an editable user data file, select the "Save/Recall" or "File Manger" function in the individual dialog. 2. To access a loadable data file, select the "Select/New" or "File Manager" function in the individual dialog.

  • Page 88: File Manager

    ® Manual Operation R&S SMC100A File Management is displayed. When a file is saved or created, its name is user-selectable; the extension is assigned automatically and cannot be entered. The file is saved to the selected path. In addition to the files saved by the user, some menus also offer files containing prede- fined contents.

  • Page 89: Extensions For User Files

    ® Manual Operation R&S SMC100A Legend of Front-Panel Controls Working with the File Manager dialog 1. Accessing the "File Manager" dialog (see ​ " Accessing files with user data" on page 70). 2. Navigating in the "File Manager" dialog. Operation is similar to the operation of menus with several areas.
  • Page 90 ® Manual Operation R&S SMC100A Legend of Front-Panel Controls Table 4-2: Cross-reference between the front panel keys and keyboard shortcuts Front-panel key Key of PC keyboard Function Turning the rotary knob Tab key (towards the right) Sets the cursor with the rotary knob.

  • Page 91: Front Panel Key Emulation

    ® Manual Operation R&S SMC100A Legend of Front-Panel Controls Front-panel key Key of PC keyboard Function RF ON/OFF CTRL + R Switches the RF output signal on/off. "RF OFF" is indicated in the status line. SETUP CTRL + E Opens the setup menu for general instrument set- tings.

  • Page 92: 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 93: General Instrument Settings

    ® Instrument Function R&S SMC100A General Instrument Settings see ​ c hapter 5.3.8.1, "Automatic Level Control - ALC", on page 124 ● Power Sensors see ​ c hapter 5.3.5, "NRP-Z Power Viewer", on page 113 ● User Correction see ​...

  • Page 94: General Configuration Of Instrument - Setup Key

    ® Instrument Function R&S SMC100A General Instrument Settings However, functions that concern the integration of the instrument into a measurement setup are not changed, e.g. GPIB address or reference oscillator source 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 95: Internal Adjustments

    ® Instrument Function R&S SMC100A General Instrument Settings ● The "Protection" is used to set the protection level for service functions and security settings. ● The "Settings" section is used to save or recall instrument settings or to preset the instrument to factory settings.

  • Page 96: Hardware Config

    ® Instrument Function R&S SMC100A General Instrument Settings Adjust All Starts all internal adjustments for which no external measuring equipment is needed. The adjustments with external measuring equipment are described in the Service Manual (supplied). SCPI command: ​ : ​ C ALibration:​ A LL[:​ M EASure]​...

  • Page 97: 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 98: 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 as well as the Release Notes describing the improvements and modifications are provided on the Internet at the download site of the Rohde &...
  • Page 99 ® 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 supplied 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 100: Gui Update

    ® Instrument Function R&S SMC100A General Instrument Settings 5.2.3.5 Gui Update The "Start/Stop Gui Update" dialog provides the possibility to switch off update of the displayed parameters in order to increase speed for certain settings. The indicated values are not updated and may therefore differ from the intern, used val- ues.

  • Page 101: Selftest

    ® Instrument Function R&S SMC100A General Instrument Settings Tip: Click on a sensor to get quick information about the firmware version and whether this sensor measures the peak of the signal. SCPI command: ​ on page 241 S ENSe<ch>[:​ P OWer]:​ T YPE​...

  • Page 102: Check Front Panel

    ® Instrument Function R&S SMC100A General Instrument Settings 5.2.3.8 Check Front Panel The "Check Front Panel" dialog is used to check whether the front panel keys are func- tioning correctly. The menu displays all the front panel keys arranged in the same way as on the front panel.
  • Page 103 ® Instrument Function R&S SMC100A General Instrument Settings The dialog provides an access to the network settings, like settings about the general network environment and specific identification of the computer in the network, as well as an indication whether the instrument is connected to the network or not.

  • Page 104: Display/Keyboard Settings

    ® Instrument Function R&S SMC100A General Instrument Settings Default Gateway Displays the IP address of the default gateway. To enter the default gateway manually, select "Static" Address Mode. This address identifies the router on the same network as the instrument that is used to forward traffic to destinations beyond the local network.

  • Page 105: Remote Channel Settings

    ® Instrument Function R&S SMC100A General Instrument Settings Toggle Summary Screen Activates/deactivates the magnified frequency and level indication. If activated, the fre- quency and level indication covers the complete display. SCPI command: n.a. GUI Language Selects the language of the graphical user interface.
  • Page 106 ® Instrument Function R&S SMC100A General Instrument Settings Language Selects the instrument whose remote command set is emulated by the R&S SMC. The R&S SMC can also be remote controlled via the command set of several other gen- erators, e.g. of an HP generator. You find the available command sets for the generator in the selection list.
  • Page 107 ® Instrument Function R&S SMC100A General Instrument Settings OPT String Indicates the option string of the instrument as queried with common command *OPT?. If a "User Defined" ​ I dentification Mode is selected, a user defined option string can be created, additionally to the automatically created one.

  • Page 108: Protection

    ® Instrument Function R&S SMC100A General Instrument Settings 5.2.3.12 Protection This "Protection" dialog provides access to the unlocking of different protection levels. To open this dialog, use the SETUP or MENU key under "Protection". After the instrument has been switched on, the protection levels 1 to 5 are automatically activated.
  • Page 109 ® Instrument Function R&S SMC100A General Instrument Settings User Name Indicates the user name used for access to the Linux operating system and valid for VNC, FTP and SAMBA access. The user name and password are required for remote access to the instrument via VNC, FTP or SAMBA.
  • Page 110 ® Instrument Function R&S SMC100A General Instrument Settings Old Password (Security Password) Enters the currently used security password. The default password is '123456'. Note: It is highly recommended to change the default security password before connect- ing the instrument to the network.
  • Page 111 ® Instrument Function R&S SMC100A General Instrument Settings Annotation Frequency Enables/disables the display of the currently used frequency in the header of the instru- ment. The setting requires the entry of the security password and is only accepted after the "Accept"...

  • Page 112: Save/Recall

    ® Instrument Function R&S SMC100A General Instrument Settings All settings are only accepted after the "Accept" button is pressed. SCPI command: n.a. Accept - Security Accepts a new entry or selection and changes the settings accordingly. SCPI command: n.a. Bluetooth Pin Requires a USB Bluetooth adapter (recommended extra, see data sheet).

  • Page 113: Help

    ® Instrument Function R&S SMC100A General Instrument Settings To maintain security, password settings and all settings protected by these passwords like disabled USB and LAN connections are not changed. Not affected by the "Factory Preset" are also user data, lists or instrument settings files, created for example by means of the Save/Recall function.

  • Page 114: Hardcopy Dialog

    ® Instrument Function R&S SMC100A General Instrument Settings 5.2.5.1 Hardcopy Dialog Destination Indicates that the hardcopy is stored in a file (see also ​ " File Options" on page 98). SCPI command: ​ : ​ H COPy:​ D EVice​ on page 217 Options Opens the Hardcopy Options dialog for configuring the hardcopy parameters (see ​...
  • Page 115 ® Instrument Function R&S SMC100A General Instrument Settings File Options Dialog for setting the file parameters. "Size" Defines the size of the bitmap in terms of pixels. The first value of the size setting defines the width, the second value the height of the image.

  • Page 116: Messages - Info Key

    ® Instrument Function R&S SMC100A General Instrument Settings "Prefix" Activates the usage of the prefix in the automatic file name. The prefix is entered in the field to the right of checkbox. SCPI command: ​ : ​ H COPy:​ F ILE[:​ N AME]:​ A UTO[:​ F ILE]:​ P REFix:​ S TATe​...

  • Page 117: Help System - Help Key

    ® Instrument Function R&S SMC100A General Instrument Settings 5.2.7 Help System - Help Key The HELP key opens a browser window containing a context-sensitive description of the highlighted parameter. The context-sensitive page which is opened with the HELP key is part of a comprehensive help system.

  • Page 118: File Menu

    ® Instrument Function R&S SMC100A General Instrument Settings The corresponding menu is available under "Save/Recall" in the "Setup" menu. The instrument settings are saved in files which can be stored in data directories. Additionally there are intermediate memories in which the current instrument setting can be stored and then called up again by just pressing a key.

  • Page 119: Storing Instrument Settings

    ® Instrument Function R&S SMC100A General Instrument Settings Calls the menu for storing the current instrument setting (see ​ "Save…" c hap- ter 5.2.8.2, "Storing Instrument Settings", on page 102). Calls the menu for calling up a stored instrument setting (see ​...

  • Page 120: Loading Instrument Settings

    ® Instrument Function R&S SMC100A General Instrument Settings Save Stores the current instrument settings under the specified path. SCPI command: ​ on page 208 * SAV​ ​ : ​ M MEMory:​ S TORe:​ S TATe​ on page 231 Save Immediate x Stores the current instrument setting in one of the three intermediate memories.
  • Page 121 ® Instrument Function R&S SMC100A General Instrument Settings The "Selected file" window lists all the files in this directory. SCPI command: ​ : ​ M MEMory:​ C DIRectory​ on page 227 File List Selects the file with the desired instrument configuration.

  • Page 122: File Manager

    ® Instrument Function R&S SMC100A General Instrument Settings 5.2.8.4 File Manager The "File Management" dialog provides all the functions required for file management. Directories can be created, and files copied, deleted and moved between the directories on the devices (internal flash memory and memory stick).

  • Page 123: Rf Signal - Rf Block

    ® Instrument Function R&S SMC100A RF Signal - RF Block Paste Pastes the file that has been copied or cut before. SCPI command: n.a. Rename Renames the selected file or directory. The new name can be entered in the "New File- name"...

  • Page 124: Rf Output

    ® Instrument Function R&S SMC100A RF Signal - RF Block 5.3.1.1 RF Output To activate and deactivate the RF output signal, use one of the following alternatives: ● by means of the RF ON/OFF key (the current entry focus is irrelevant) ●...

  • Page 125: Rf Frequency Settings

    ® Instrument Function R&S SMC100A RF Signal - RF Block Instruments connected downstream can be taken into consideration when setting the frequency and level by entering a frequency and/or level offset. Automatic level control ("ALC") ensures maximum level accuracy. User-specific lists which contain level correction values for any frequency range ("User Correction") can be created to, for example, compensate the cable attenuation in a test...

  • Page 126: Configuring Rf Frequency

    ® Instrument Function R&S SMC100A RF Signal - RF Block 5.3.2.2 Configuring RF Frequency To change the RF frequency, press the FREQ key and enter the desired frequency. Changes to the RF frequency have an immediate effect (without confirmation with the ENTER key) on the output signal.
  • Page 127 ® Instrument Function R&S SMC100A RF Signal - RF Block The phase of the output signal can be changed in the "Phase Settings" section. The "Phase Settings" menu is described in ​ c hapter 5.3.3, "Phase Settings", on page 111.

  • Page 128: Phase Settings

    ® Instrument Function R&S SMC100A RF Signal - RF Block Variation Step - RF Signal Sets the user-defined step width. This step width is used when entering the RF frequency using the rotary knob. Frequency variation with this step width must also be activated with "Variation Active".

  • Page 129: Reference Oscillator Dialog

    ® Instrument Function R&S SMC100A RF Signal - RF Block 5.3.4.1 Reference Oscillator Dialog To open the "Reference Oscillator" dialog, select "RF > Configure > Reference Oscilla- tor" or use the MENU key under "RF". The menu is used to select the source and to adjust the reference frequency. In case an external source is selected, the reference frequency is displayed.

  • Page 130: Nrp-Z Power Viewer

    ® Instrument Function R&S SMC100A RF Signal - RF Block "ON" A user-defined adjustment value is used. The value is entered under "Adjustment DAC Value". This allows the frequency to be impaired freely, for example to simulate a frequency error.

  • Page 131: Nrp-Z Power Viewer Settings

    ® Instrument Function R&S SMC100A RF Signal - RF Block The signal generator also supports the use of R&S NRP-Z power sensors for the acqui- sition of level correction data. 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 132 ® Instrument Function R&S SMC100A RF Signal - RF Block Use the "Setup >" ​ c hapter 5.2.3.6, "NRP-Z Info/Update", on page 83 dialog to update the sensor software. SCPI command: ​ on page 241 S ENSe<ch>[:​ P OWer]:​ S TATus[:​ D EVice]​...
  • Page 133 ® Instrument Function R&S SMC100A RF Signal - RF Block In which unit the measured value is indicated is selected here and might be Watt, dBm or dBuV. SCPI command: ​ on page 242 S ENSe<ch>:​ U NIT[:​ P OWer]​...
  • Page 134 ® Instrument Function R&S SMC100A RF Signal - RF Block "RF" Measurement source is the RF signal of the generator. The RF fre- quency is used as the measurement frequency of the sensor and the corresponding correction factor is used.
  • Page 135 ® Instrument Function R&S SMC100A RF Signal - RF Block Measurements are continuously repeated in a predefined time window. The measure- ment result is obtained by averaging the measured values for the last 2N time windows. The number N is the filter length, the factor of 2 arises because the output signals from...

  • Page 136: Overview Rf Level Settings

    ® Instrument Function R&S SMC100A RF Signal - RF Block Refer to the manual of the connected R&S NRP-Zxx power sensor for a description on how to use the s-parameters table. SCPI command: ​ on page 236 S ENSe<ch>[:​ P OWer]:​ C ORRection:​ S PDevice:​ S TATe​...

  • Page 137: Setting The Rf Level

    ® Instrument Function R&S SMC100A RF Signal - RF Block The RF output is protected against overloading by an external signal applied to the RF output (see ​ " Reverse Power Protection" on page 123). 5.3.6.2 Setting the RF level To change the RF level, press the LEVEL key and enter the desired level.
  • Page 138 ® Instrument Function R&S SMC100A RF Signal - RF Block The power-on behavior of the instrument and the level display in the display header are set in the "Power-On / EMF Settings" section (see ​ c hapter 5.3.7.2, "Power-On/EMF Set- tings", on page 124).
  • Page 139 ® Instrument Function R&S SMC100A RF Signal - RF Block The value specifies the upper limit of the level at the RF output connector. A message appears if an attempt is made to set a level above this limit and the level at the RF output is confined to the upper limit.
  • Page 140 ® Instrument Function R&S SMC100A RF Signal - RF Block The setting of the RF OFF mode is not affected by an instrument preset (PRESET key), *RST and the "Save/Recall" function. This parameter is influenced only by the ​ F actory Preset.

  • Page 141: Power-On/Emf Settings

    ® Instrument Function R&S SMC100A RF Signal - RF Block The RF input is activated when the overload protection is reset. SCPI command: ​ : ​ O UTPut<hw>:​ P ROTection:​ T RIPped​ on page 233 ​ : ​ O UTPut<hw>:​ P ROTection:​ C LEar​...
  • Page 142 ® Instrument Function R&S SMC100A RF Signal - RF Block ALC is active in almost all applications by default. However, the Pulse Modulation mode excludes ALC, as the control loop would detect incorrect values and result in level devi- ations.

  • Page 143: User Correction

    ® Instrument Function R&S SMC100A RF Signal - RF Block The combined dialog "ALC / UCOR" is divided into the several sections and provides access to the "Automatic Level Control" settings and to function "User Correction", see ​ chapter 5.3.8.2, "User Correction", on page 126).
  • Page 144 ® Instrument Function R&S SMC100A RF Signal - RF Block The amplitude can also be linearized automatically by means of an R&S NRP power sensor connected to one of the generator output signals. With the aid of the "Fill with Sensor"...
  • Page 145 ® Instrument Function R&S SMC100A RF Signal - RF Block SCPI command: ​ on page 248 [ :​ S OURce]:​ C ORRection:​ C SET:​ D ELete​ ​ on page 252 [ :​ S OURce<hw>]:​ C ORRection:​ C SET[:​ S ELect]​...
  • Page 146 ® Instrument Function R&S SMC100A RF Signal - RF Block "Edit" Calls a selection of possible actions described below. "Insert Row" Insert a new row before the marked row. "Insert Range" Insert new rows before the marked row. The number of rows to be inserted can be defined in an entry window.
  • Page 147 ® Instrument Function R&S SMC100A RF Signal - RF Block Mode - User Correction Selects if user correction lists should be imported or exported. The settings offered depend on the selected mode. SCPI command: ​ on page 251 [ :​ S OURce<hw>]:​ C ORRection:​ D EXChange:​ M ODE​...
  • Page 148 ® Instrument Function R&S SMC100A RF Signal - RF Block Destination / Source - User Correction Calls the "File Manager" for selecting the user correction list to be exported (source) into an ASCII file or the destination for the ASCII file to be imported (destination) in.
  • Page 149 ® Instrument Function R&S SMC100A RF Signal - RF Block Select column to fill Selects either the frequency or the level column to be filled with the value defined below. SCPI command: n.a. Start value Sets the start value for the frequency or the level entries.

  • Page 150: Sweep Mode

    ® Instrument Function R&S SMC100A RF Signal - RF Block Fill User Correction Data with Sensor Settings The "Fill with Sensor" button of the "Edit User Correction Data" menu opens the associ- ated menu. The menu indicates the relevant generator settings.

  • Page 151: Rf Frequency Sweep

    ® Instrument Function R&S SMC100A RF Signal - RF Block The LF sweep is activated and configured in the "Mod Gen" block. 1. Set the sweep range ("Start Freq" and "Stop Freq" or "Center Freq" and "Span"). 2. Select linear or logarithmic sweep spacing ("Spacing").
  • Page 152 ® Instrument Function R&S SMC100A RF Signal - RF Block RF Frequency Sweep Settings State - Frequency Sweep Activates/deactivates RF sweep mode. Note: Activating the RF-Sweep mode automatically disables other sweep modes. SCPI command: ​ on page 258 [ :​ S OURce<hw>]:​ F REQuency:​ M ODE​...
  • Page 153 ® Instrument Function R&S SMC100A RF Signal - RF Block "Single" Sets a single sweep cycle. The sweep is triggered by the "Execute Sin- gle Sweep" button. If a different sweep mode was activated prior to the "Single" mode, the current sweep is stopped.
  • Page 154 ® Instrument Function R&S SMC100A RF Signal - RF Block "Extern Single" Sets a single sweep cycle. The sweep is triggered by an external trigger signal. If a different sweep mode was activated prior to the "Extern Single" mode, the current sweep is stopped. The "Extern Single" sweep always starts at the start frequency when triggered.
  • Page 155 ® Instrument Function R&S SMC100A RF Signal - RF Block "Extern Start/ Sets an automaticly repeated sweep cycle that is started, stopped and Stop" restartet by subsequent external trigger events. The first external trigger signal starts the sweep (Start). The next external trigger signal stops the sweep at the current fre- quency (Stop).
  • Page 156 ® Instrument Function R&S SMC100A RF Signal - RF Block Center Freq - Frequency Sweep Sets the center frequency. SCPI command: ​ on page 256 [ :​ S OURce<hw>]:​ F REQuency:​ C ENTer​ Span - Frequency Sweep Sets the span.
  • Page 157 ® Instrument Function R&S SMC100A RF Signal - RF Block "Triangle" One sweep runs from start to stop frequency and back, i.e. the shape of the sweep resembles a triangle. Each subsequent sweep starts at the start frequency. SCPI command: ​...

  • Page 158: Rf Level Sweep

    ® Instrument Function R&S SMC100A RF Signal - RF Block Trigger Input Slope Sets the polarity of the active slope of an applied instrument trigger. This setting affects the INST TRIG input (BNC connector at the rear of the instrument).
  • Page 159 ® Instrument Function R&S SMC100A RF Signal - RF Block "Auto" Sets an automatically repeated sweep cycle. If a different sweep mode was activated prior to the "Auto" mode, the cycle continues from the current sweep setting. The "Reset Sweep" button resets the sweep to the start level.
  • Page 160 ® Instrument Function R&S SMC100A RF Signal - RF Block "Extern Single" Sets a single sweep cycle. The sweep is triggered by an external trigger signal. If a different sweep mode was activated prior to the "Extern Single" mode, the current sweep is stopped. The "Extern Single" sweep always starts at the start level.
  • Page 161 ® Instrument Function R&S SMC100A RF Signal - RF Block "Extern Start/ Sets an automatically repeated sweep cycle that is started, stopped and Stop" restartet by subsequent external trigger events. The first external trigger signal starts the sweep (Start). The next external trigger signal stops the sweep at the current fre- quency (Stop).
  • Page 162 ® Instrument Function R&S SMC100A RF Signal - RF Block Stop Level - Level Sweep Sets the stop level. SCPI command: ​ on page 282 [ :​ S OURce<hw>]:​ P OWer:​ S TOP​ Current Level - Level Sweep Displays the current level.

  • Page 163: Modulations

    ® Instrument Function R&S SMC100A Modulations 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 164: Modulation Sources

    ® Instrument Function R&S SMC100A Modulations 5.4.1.2 Modulation Sources The following modulations use internal and external modulation sources: ● Amplitude modulation ● Pulse modulation ● Frequency modulation ● Phase modulation Internal Modulation Sources An LF generator and a pulse generator are available as internal modulation sources. The LF generator supplies sinusoidal.

  • Page 165: Amplitude Modulation Menu

    ® Instrument Function R&S SMC100A Modulations 5.4.2.1 Amplitude Modulation Menu To open the "Amplitude Modulation" menu, select "Modulation > Configure > Amplitude Modulation" or use the MENU key under "Modulation". In the upper section of the menu, the modulation source is selected and the modulation switched on.

  • Page 166: Frequency Modulation (Fm)

    ® Instrument Function R&S SMC100A Modulations Displays the input sensitivity of the MOD EXT input in %/V. The modulation depth entered under "AM Depth" is reached with 1 volt modulation of the input. SCPI command: ​ on page 244 [ :​ S OURce<hw>]:​ A M:​ S ENSitivity​...
  • Page 167 ® Instrument Function R&S SMC100A Modulations These settings affect all modulations which use the same modulation sources. State Activates/deactivates FM modulation. Activation of FM deactivates phase modulation. SCPI command: ​ on page 255 [ :​ S OURce<hw>]:​ F M:​ S TATe​...

  • Page 168: Phase Modulation (Phim)

    ® Instrument Function R&S SMC100A Modulations Note: The input voltage should not exceed 1.1 V otherwise modulation distortions might occur. SCPI command: ​ on page 254 [ :​ S OURce<hw>]:​ F M:​ S ENSitivity​ Adjust FM Offset Starts the adjustment for the FM/PhiM modulator. The option is adjusted with respect to DC-offset.

  • Page 169: Phase Modulation Menu

    ® Instrument Function R&S SMC100A Modulations 5.4.4.1 Phase Modulation Menu To open the "Phase Modulation" menu, select "Modulation > Configure > Phase Modu- lation" or use the MENU key under "Modulation". In the upper section of the menu, the modulation source is selected and the modulation switched on.

  • Page 170: Pulse Modulation (Pm)

    ® Instrument Function R&S SMC100A Modulations This setting affects all analog modulations which use the LF generator as the internal modulation source. SCPI command: ​ on page 263 [ :​ S OURce]:​ L FOutput<ch>:​ F REQuency​ PhiM Sensitivity (Source External only) Displays the input sensitivity of the MOD EXT input in RAD/V.

  • Page 171: Pulse Modulation Settings

    ® Instrument Function R&S SMC100A Modulations Automatic Level Control is deactivated with pulse modulation! When pulse modulation is activated, the ALC state of the R&S SMC is automatically changed to "ALC OFF" ("Sample & Hold"). In this state, the ALC loop is opened and the output level is not regulated but the level modulator is set directly.

  • Page 172: Lf Generator And Lf Output - Mod Gen

    ® Instrument Function R&S SMC100A LF Generator and LF Output - Mod Gen "External" Selects the external source. The external modulation signal is input via the PULSE EXT connector. SCPI command: ​ on page 285 [ :​ S OURce<hw>]:​ P ULM:​ S OURce​...
  • Page 173 ® Instrument Function R&S SMC100A LF Generator and LF Output - Mod Gen To open the "LF Frequency Sweep" menu, select "Mod Gen > Configure > LF Frequency Sweep" or use the MENU key under "Mod Gen". In the top section, 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 174 ® Instrument Function R&S SMC100A LF Generator and LF Output - Mod Gen "Single" Sets a single sweep cycle. The sweep is triggered by the "Execute Sin- gle Sweep" button. If a different sweep mode was activated prior to the "Single" mode, the current sweep is stopped.
  • Page 175 ® Instrument Function R&S SMC100A LF Generator and LF Output - Mod Gen "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 set for the rotary knob.
  • Page 176 ® Instrument Function R&S SMC100A LF Generator and LF Output - Mod Gen Start Freq - LF Sweep Sets the start frequency. SCPI command: ​ on page 265 [ :​ S OURce]:​ L FOutput:​ F REQuency:​ S TARt​ Stop Freq - LF Sweep Sets the stop frequency.
  • Page 177 ® Instrument Function R&S SMC100A LF Generator and LF Output - Mod Gen "Step Lin" or "Step Log" is displayed depending on whether "Spacing Lin" or "Log" is selected. "Step Lin" With the linear sweep, the step width is a fixed frequency value which is added to the current frequency.

  • Page 178: Lf Output

    ® Instrument Function R&S SMC100A LF Generator and LF Output - Mod Gen 5.5.3 LF Output To open the "LF Output" dialog, select "Mod Gen > Configure > LF Output" or use the MENU key under "Mod Gen". The "LF Output" menu provides access to the configuration of the internal modulation generators.

  • Page 179: Pulse Generator Settings

    ® Instrument Function R&S SMC100A LF Generator and LF Output - Mod Gen 5.5.4.1 Pulse Generator Settings The dialog provides the settings for the pulse characteristics and trigger mode. Video Sync Signal State - Pulse Generator Switches on/off the output of the video/sync signal at the PULSE VIDEO connector. The signal output and the pulse generator are automatically switched on with activation of pulse modulation if pulse generator is selected as modulation source.
  • Page 180 ® Instrument Function R&S SMC100A LF Generator and LF Output - Mod Gen 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 181 ® Instrument Function R&S SMC100A LF Generator and LF Output - Mod Gen "Inverse" The pulse signal is generated while the gate signal is low. SCPI command: ​ on page 286 [ :​ S OURce<hw>]:​ P ULM:​ T RIGger:​ E XTernal:​ G ATE:​ P OLarity​...

  • Page 182: 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 183: Visa Libraries

    ® Remote Control Basics R&S SMC100A Remote Control Interfaces and Protocols standardization of device-specific commands, error handling and the status registers. The tutorial "Automatic Measurement Control - A tutorial on SCPI and IEEE 488.2" from John M. Pieper (R&S order number 0002.3536.00) offers detailed information on con- cepts and definitions of SCPI.

  • Page 184: Lan Interface

    ® Remote Control Basics R&S SMC100A Remote Control Interfaces and Protocols – Setting commands cause instrument settings such as a reset of the instrument or setting the frequency. – Queries cause data to be provided for remote control, e.g. for identification of the instrument or polling a parameter value.

  • Page 185: Protocol

    ® Remote Control Basics R&S SMC100A Remote Control Interfaces and Protocols ● LAN device name is the computer name of the control device (alternative to IP address) ● INSTR indicates that the VXI-11 protocol is used Example: Instrument has the IP address 192.1.2.3; the valid resource string is: TCPIP::192.1.2.3::INSTR...

  • Page 186: Usb Interface

    ® Remote Control Basics R&S SMC100A Remote Control Interfaces and Protocols Command Long term Effect on the instrument &ABO Abort Aborts processing of the commands just received. &DCL Device Clear Aborts processing of the commands just received and sets the command processing software to a defined initial state.

  • Page 187: Gpib Interface (Iec/Ieee Bus Interface)

    ® Remote Control Basics R&S SMC100A Remote Control Interfaces and Protocols nected via an external USB/serial-adapter (see recommended extras, data sheet) and a serial crossover (null modem) cable. A USB connection requires the VISA library to be installed on the controller. VISA will detect and configure the R&S SMC automatically when the USB connection is established.

  • Page 188: Gpib Instrument Address

    ® Remote Control Basics R&S SMC100A Remote Control Interfaces and Protocols ● Universal commands: act on all instruments connected to the GPIB bus without previous addressing ● Addressed commands: only act on instruments previously addressed as listeners Universal Commands Universal commands are encoded in the range 10 through 1F hex. They affect all instru- ments connected to the bus and do not require addressing.

  • Page 189: Starting A Remote Control Session

    ® Remote Control Basics R&S SMC100A Starting a Remote Control Session Changing the GPIB address of the instrument The GPIB address can be changed manually or using a remote control command. 1. Manually: press the SETUP key and select "Remote > GPIB".

  • Page 190: Returning To Manual Operation

    ® Remote Control Basics R&S SMC100A Starting a Remote Control Session The instrument is switched to remote control as soon as it receives a command from the controller. While remote control is active, operation via the front panel or via mouse and key- board is disabled and "REMOTE"...

  • Page 191: Remote Control Over Gpib

    ® Remote Control Basics R&S SMC100A Starting a Remote Control Session 6.2.3.1 Remote Control over GPIB The program example in this section is written in VISUAL BASIC. A condition for pro- gramming in VISUAL BASIC is that the modules NIGLOBAL (Niglobal.bas) and VBIB32 (Vbib_32.bas) are added to the projects.
  • Page 192 ® Remote Control Basics R&S SMC100A Starting a Remote Control Session To enable the external controller to communicate with the software via TCP/IP protocol, set up a remote control link as follow: 1. Connect the controller and the instrument to the network (network cable) and switch them on.
  • Page 193 ® Remote Control Basics R&S SMC100A Starting a Remote Control Session 7. Enter the alias name if required. The alias name must not be mistaken for the computer name. It is only used for instrument identification within the program and displayed in the menu as an option in case of an Ethernet link.
  • Page 194 ® Remote Control Basics R&S SMC100A Starting a Remote Control Session If a connection cannot be set up, check whether the controller and the instrument are connected to the network (network cable) and switched on. Correct spelling of the IP address or the computer name can also be checked.

  • Page 195: Remote Control Over Lan Using Socket Communication

    ® Remote Control Basics R&S SMC100A Starting a Remote Control Session Instrument responses are displayed on the "viRead" tab. Tip: For further program operation refer to the online help of the program. 6.2.3.3 Remote Control over LAN using Socket Communication...
  • Page 196 ® Remote Control Basics R&S SMC100A Starting a Remote Control Session 2. Even if the cursor is not visible on the screen, enter blind a remote-control command and confirm with Enter. After the first remote-control command had been send, the instrument is in the "REMOTE"...
  • Page 197 ® Remote Control Basics R&S SMC100A Starting a Remote Control Session void receive( string &rxString ); string getCurrentHostName( ) const; getCurrentPort( ) const; private: string currentHostName; currentPort; currentSocketDescr; SockAddrStruct serverAddress; HostInfoStruct * currentHostInfo; bool clientIsConnected; receiveBufferSize; TcpClient.cpp #include <string> //defines structs for socket handling #include <netinet/in.h>...
  • Page 198 ® Remote Control Basics R&S SMC100A Starting a Remote Control Session , serverAddress ( ) , currentHostInfo( NULL ) , clientIsConnected( false ) , receiveBufferSize( 1024 ) TcpClient::~TcpClient() currentHostInfo = NULL; void TcpClient::connectToServer( string &hostname, int port ) currentHostInfo = gethostbyname( hostname.c_str( ) );...
  • Page 199 ® Remote Control Basics R&S SMC100A Starting a Remote Control Session currentSocketDescr = 0; currentHostName = ""; currentPort = 0; currentHostInfo = NULL; clientIsConnected = false; void TcpClient::transmit( string &txString ) if( !clientIsConnected ) throw string("connection must be established before any data can be sent\n");...
  • Page 200 ® Remote Control Basics R&S SMC100A Starting a Remote Control Session 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; //no error bool useSingleCommand = false;...

  • Page 201: Scpi Command Structure

    ® Remote Control Basics R&S SMC100A SCPI Command Structure if( !terminate) client.transmit( input ); //send string int qPos = input.find( "?", 0 ); //receive string only when needed if( qPos > 0 ) string rcStr = ""; client.receive( rcStr );...

  • Page 202: Syntax For Device-Specific Commands

    ® Remote Control Basics R&S SMC100A SCPI Command Structure *ESR? EVENT STATUS QUERY Queries the contents of the event status register. *IDN? IDENTIFICATION QUERY Queries the instrument identification string. 6.3.2 Syntax for Device-Specific Commands Not all commands used in the following examples are necessarily implemented in the instrument.
  • Page 203 ® Remote Control Basics R&S SMC100A SCPI Command Structure Numeric suffixes If a command can be applied to multiple instances of an object, e.g. specific channels or sources, the required instances can be specified by a suffix added to the command.

  • Page 204: Scpi Parameters

    ® Remote Control Basics R&S SMC100A SCPI Command Structure Parameters Parameters must be separated from the header by a "white space". If several parameters are specified in a command, they are separated by a comma (,). For a description of the parameter types, refer to ​...
  • Page 205 ® Remote Control Basics R&S SMC100A SCPI Command Structure ● Special numeric values ● Boolean parameters ● Text ● Character strings ● Block data The parameters required for each command and the allowed range of values are speci- fied in the command description.
  • Page 206 ® Remote Control Basics R&S SMC100A SCPI Command Structure ● DEFault denotes a preset value which has been stored in the EPROM. This value conforms to the default setting, as it is called by the *RST command. ● UP/DOWN UP, DOWN increases or reduces the numeric value by one step. The step width can be specified via an allocated step command for each parameter which can be set via UP, DOWN.

  • Page 207: Overview Of Syntax Elements

    ® Remote Control Basics R&S SMC100A SCPI Command Structure Example: Setting command: HCOPy:PAGE:ORIentation LANDscape Query: HCOP:PAGE:ORI? Response: LAND Character strings Strings must always be entered in quotation marks (' or "). Example: HCOP:ITEM:LABel "Test1" or HCOP:ITEM:LABel 'Test1' Block data Block data is a format which is suitable for the transmission of large amounts of data. A...

  • Page 208: Structure Of A Command Line

    ® Remote Control Basics R&S SMC100A SCPI Command Structure The hash symbol introduces binary, octal, hexadecimal and block data. ● Binary: #B10110 ● Octal: #O7612 ● Hexa: #HF3A7 ● Block: #21312 A "white space" (ASCII-Code 0 to 9, 11 to 32 decimal, e.g. blank) separates the header from the parameters.

  • Page 209: Responses To Queries

    ® Remote Control Basics R&S SMC100A Command Sequence and Synchronization 6.3.6 Responses to Queries A query is defined for each setting command unless explicitly specified otherwise. It is formed by adding a question mark to the associated setting command. According to SCPI, the responses to queries are partly subject to stricter rules than in standard IEEE 488.2.

  • Page 210: Preventing Overlapping Execution

    ® Remote Control Basics R&S SMC100A Command Sequence and Synchronization Example: Commands and queries in one message The response to a query combined in a program message with commands that affect the queried value is not predictable. The following commands always return the specified result: :FREQ:STAR 1GHZ;SPAN 100 :FREQ:STAR?
  • Page 211 ® Remote Control Basics R&S SMC100A Command Sequence and Synchronization Table 6-2: Synchronization using *OPC, *OPC? and *WAI Com- Action Programming the controller mand ● *OPC Sets the Operation Complete bit in the ESR Setting bit 0 in the ESE ●...

  • Page 212: Status Reporting System

    ® Remote Control Basics R&S SMC100A Status Reporting System *OPC? with short timeout 1. Send the overlapped command without *OPC, *OPC? or *WAI 2. Poll the operation complete state periodically (by means of a timer) using the sequence: <short timeout>; *OPC? 3.
  • Page 213 ® Remote Control Basics R&S SMC100A Status Reporting System Fig. 6-1: Graphical overview of the status registers hierarchy ● STB, SRE The STatus Byte (STB) register and its associated mask register Service Request Enable (SRE) form the highest level of the status reporting system. The STB provides a rough overview of the instrument status, collecting the information of the lower-level registers.

  • Page 214: Structure Of A Scpi Status Register

    ® Remote Control Basics R&S SMC100A Status Reporting System All status registers have the same internal structure. SRE, ESE The service request enable register SRE can be used as ENABle part of the STB if the STB is structured according to SCPI. By analogy, the ESE can be used as the ENABle part of the ESR.

  • Page 215: Contents Of The Status Registers

    ® Remote Control Basics R&S SMC100A Status Reporting System This part can be written into and read as required. Its contents are not affected by reading. ● NTRansition The Negative-TRansition part also acts as a transition filter. When a bit of the CONDition part is changed from 1 to 0, the associated NTR bit decides whether the EVENt bit is set to 1.

  • Page 216: Ist Flag And Parallel Poll Enable Register (Ppe)

    ® Remote Control Basics R&S SMC100A Status Reporting System (SRQ) is generated. The SRE can be set using the command ​ and read using the * SRE​ command *SRE?. Table 6-3: Meaning of the bits used in the status byte Bit No.

  • Page 217: Application Of The Status Reporting System

    ® Remote Control Basics R&S SMC100A Status Reporting System Table 6-4: Meaning of the bits used in the event status register Bit No. Meaning Operation Complete This bit is set on receipt of the command *OPC exactly when all previous commands have been executed.

  • Page 218: Service Request

    ® Remote Control Basics R&S SMC100A Status Reporting System 6.5.5.1 Service Request Under certain circumstances, the instrument can send a service request (SRQ) to the controller. Usually this service request initiates an interrupt at the controller, to which the control program can react appropriately. An SRQ is always initiated if one or several of bits 2, 4 or 5 of the status byte are set and enabled in the SRE.

  • Page 219: Query Of An Instrument Status

    ® Remote Control Basics R&S SMC100A Status Reporting System The parallel poll method is mainly used to find out quickly which one of the instruments connected to the controller has sent a service request. To this effect, SRE and PPE must be set to the same value.

  • Page 220: General Programming Recommendations

    ® Remote Control Basics R&S SMC100A General Programming Recommendations Table 6-5: Resetting the status reporting system Event Switching on supply DCL, SDC *RST or STA- *CLS voltage SYS- Tus:PRE- (Device Tem:PRE- Power-On-Status- Clear, Clear Selected Device Effect Clear) Clear STB, ESR...
  • Page 221 ® Remote Control Basics R&S SMC100A General Programming Recommendations regularly since faulty commands from the controller to the instrument are recorded there as well. Operating Manual 1411.4060.32 ─ 04...

  • Page 222: 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 param- eters and the ranges of numerical values. For an introduction to remote control and the status registers, refer to ​...

  • Page 223: Ese

    ® Remote Control Commands R&S SMC100A Common Commands Sets the status byte (STB), the standard event register (ESR) and the EVENt part of the QUEStionable and the OPERation registers to zero. The command does not alter the mask and transition parts of the registers. It clears the output buffer.

  • Page 224: Opc

    ® Remote Control Commands R&S SMC100A Common Commands *OPC OPeration Complete Sets bit 0 in the event status register when all preceding commands have been executed. This bit can be used to initiate a service request. The query form writes a "1" into the output buffer as soon as all preceding commands have been executed.

  • Page 225: Rcl

    ® Remote Control Commands R&S SMC100A Common Commands Parameters: <Action> 0 | 1 The contents of the status registers are preserved. Resets the status registers. *RCL <Number> ReCaLl calls up the instrument settings from an intermediate memory identified by the specified number.

  • Page 226: Preset Commands

    ® Remote Control Commands R&S SMC100A Preset Commands *STB? STatus Byte query Reads the contents of the status byte in decimal form. Usage: Query only *TRG TRiGger Triggers all actions waiting for a trigger event. In particular, *TRG generates a manual trigger signal (Manual Trigger).
  • Page 227 ® Remote Control Commands R&S SMC100A Preset Commands ● Activating the original state of delivery (factory reset, ​ : ​ S YSTem:​ F PReset​ on page 210). Only functions that are protected by a password remain unchanged as well as the passwords themselves.

  • Page 228: Calibration Subsystem

    ® Remote Control Commands R&S SMC100A CALibration Subsystem Example: SYST:FPR all instrument settings (also those that are not currently active) are reset to the factory values. Usage: Event 7.3 CALibration Subsystem The CALibration system contains the commands for adjustment. Adjustment is triggered by the query commands.

  • Page 229: Diagnostic Subsystem

    ® Remote Control Commands R&S SMC100A DIAGnostic Subsystem Return values: <Measure> 0 | 1 Example: CAL:FREQ:MEAS? starts the adjustments for maximum frequency accuracy. Response: "0" the adjustments have been performed successfully. Usage: Query only :CALibration<hw>:LEVel[:MEASure]? The command starts all adjustments which affect the level.
  • Page 230 ® Remote Control Commands R&S SMC100A DIAGnostic Subsystem ....................213 :​ D IAGnostic:​ I NFO:​ O TIMe​ ....................214 :​ D IAGnostic:​ I NFO:​ P OCount​ :DIAGnostic<hw>:BGINfo? The command checks the modules available in the instrument using the variant and revi- sion state.

  • Page 231: Display Subsystem

    ® Remote Control Commands R&S SMC100A DISPlay Subsystem Return values: <OTIMe> float Example: DIAG:INFO:OTIM queries the operation hours. Response: 100023 The instrument was operated for 100023 hours up to now. Usage: Query only :DIAGnostic:INFO:POCount? The command queries the number of power-on events.

  • Page 232: Format Subsystem

    ® Remote Control Commands R&S SMC100A FORMat Subsystem This mode is recommended for preserving the display especially if the instrument is exclusively operated via remote control. Parameters: <State> 0 | 1 | OFF | ON *RST: DISP:PSAV ON Example: activates screen saver mode.

  • Page 233: Hcopy Subsystem

    ® Remote Control Commands R&S SMC100A HCOPy Subsystem Parameters: <Data> ASCii | PACKed ASCii Numerical data is transferred as plain text separated by commas. PACKed Numerical data is transferred as binary block data. The format within the binary data depends on the command. The various binary data formats are explained in the description of the param- eter types.
  • Page 234 ® Remote Control Commands R&S SMC100A HCOPy Subsystem ................219 :​ H COPy:​ F ILE[:​ N AME]:​ A UTO:​ D IRectory​ ..............219 :​ H COPy:​ F ILE[:​ N AME]:​ A UTO:​ D IRectory:​ C LEar​ ...................219 :​ H COPy:​ F ILE[:​ N AME]:​ A UTO:​ F ILE​...
  • Page 235 ® Remote Control Commands R&S SMC100A HCOPy Subsystem Parameters: <Language> BMP | JPG | XPM | PNG *RST: Example: HCOP:DEV:LANG BMP selects bitmap as image format. HCOP:FILE '/usb/HCopy' defines the directory, path and file name for storing the hardcopy. HCOP triggers the hardcopy generation.

  • Page 236: H Copy: F Ile[: N Ame]: A Uto: D Irectory

    ® Remote Control Commands R&S SMC100A HCOPy Subsystem Example: HCOP:DEV:LANG BMP selects output format *,bmp. HCOP:FILE:AUTO:DIR '/usb/HCopy' defines the destination directory '/usb/HCopy'. HCOP:FILE:AUTO:PREF 'gen' the file name starts with the prefix 'gen'. The usage of automatic naming with prefix and date in the file name is preset (…:STAT ON).

  • Page 237: Hcopy:file[:Name]:Auto[:File]:Day

    ® Remote Control Commands R&S SMC100A HCOPy Subsystem Return values: <File> string Example: HCOP:DEV:LANG BMP selects output format *.bmp. HCOP:FILE:AUTO:DIR '/usb/HCopy' defines the destination directory '/usb/HCopy' HCOP:FILE:AUTO:PREF 'gen' the file name starts with the prefix 'gen'. The usage of automatic naming with prefix and date in the file name is preset (…:STAT...

  • Page 238: H Copy: F Ile[: N Ame]: A Uto[: F Ile]: M Onth: S Tate

    ® Remote Control Commands R&S SMC100A HCOPy Subsystem Usage: Query only :HCOPy:FILE[:NAME]:AUTO[:FILE]:MONTh:STATe <State> This command activates the usage of the month in the automatic file name. Parameters: <State> 0 | 1 | OFF | ON *RST: Example: HCOP:FILE:AUTO:MONT:STAT OFF deactivates the usage of the month in the automatic file name.

  • Page 239: Hcopy:file[:Name]:Auto[:File]:Year

    ® Remote Control Commands R&S SMC100A HCOPy Subsystem Parameters: <State> 0 | 1 | OFF | ON *RST: Example: HCOP:FILE:AUTO:PREF:STAT OFF deactivates the usage of the prefix in the automatic file name. :HCOPy:FILE[:NAME]:AUTO[:FILE]:YEAR? This command queries the year in the date part in the automatic file name.

  • Page 240: Kboard Subsystem

    ® Remote Control Commands R&S SMC100A KBOard Subsystem Example: HCOP:IMAG:FORM XPM selects the image format XPM. :HCOPy:IMAGe:SIZE <Size> The command 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 241: Mmemory Subsystem

    ® Remote Control Commands R&S SMC100A MMEMory Subsystem Usage: Query only SCPI confirmed 7.9 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 242: Extensions For User Files

    ® Remote Control Commands R&S SMC100A MMEMory Subsystem Depending on how much information is provided, either the values specified in the parameter or the values specified with the command MMEM:CDIR (default directory) are used for the path and drive setting in the commands.

  • Page 243: Remote Control Commands

    ® Remote Control Commands R&S SMC100A MMEMory Subsystem Working with Files and Directories 1. Read out all files in the specified directory. MMEM:CAT? '/usb/user' Response: 127145265,175325184,"test,DIR,0","temp,DIR, 0","readme.txt,ASC,1324","state.savrcltxt,STAT, 5327","waveform.wv,BIN,2342" the directory /usb/user contains the subdirectories test and temp as well as the files readme.txt, state.savrcltxt and waveform.wv which have different file...
  • Page 244 ® Remote Control Commands R&S SMC100A MMEMory Subsystem ....................231 :​ M MEMory:​ R DIRectory​ ....................231 :​ M MEMory:​ S TORe:​ S TATe​ :MMEMory:CATalog? <path> Returns the content of the current or a specified directory. Query parameters: <path> string String parameter to specify the directory.
  • Page 245 ® Remote Control Commands R&S SMC100A MMEMory Subsystem See ​ Example: " Working with Files and Directories" on page 226. Usage: Setting only SCPI confirmed :MMEMory:COPY <file_source>[,<file_destination>] Copies an existing to a new file. Instead of just a file, this command can also be used to copy a complete directory together with all its files.
  • Page 246 ® Remote Control Commands R&S SMC100A MMEMory Subsystem Parameters: <file_name> String parameter to specify the name of the file. Setting parameters: <binary block data> #<number><length entry><block data> # always comes first in the binary block <number> the first digit indicates how many digits the subsequent length entry has <length entry>...
  • Page 247 ® Remote Control Commands R&S SMC100A MMEMory Subsystem :MMEMory:DELete <Delete> Removes a file from the specified directory. Setting parameters: <Delete> <file_name> String parameter to specify the name and directry of the file to be removed. See ​ Example: " Working with Files and Directories"...
  • Page 248 ® Remote Control Commands R&S SMC100A MMEMory Subsystem MMEMory:MOVE file_source,msus_source[, file_destination, msus_destination] Setting parameters: <file_source> String parameter to specify the name of the file to be moved. <file_destination> String parameters to specify the name of the new file. See ​...

  • Page 249: Output Subsystem

    ® Remote Control Commands R&S SMC100A OUTPut Subsystem 7.10 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 ​ c hapter 7.12.6, "SOURce:LFOut- Subsystem", on page 262 system.
  • Page 250 ® Remote Control Commands R&S SMC100A OUTPut Subsystem :OUTPut<hw>:AMODe <Amode> The command switches 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 251: Sense, Read And Initiate Subsystems

    ® Remote Control Commands R&S SMC100A SENSe, READ and INITiate Subsystems Return values: <Tripped> 0 | 1 | OFF | ON Example: OUTP:PROT:TRIP Queries the state of the protective circuit for RF output A. Response: 0 The protective circuit has not tripped.

  • Page 252: Read[: P Ower]

    ® Remote Control Commands R&S SMC100A SENSe, READ and INITiate Subsystems .......................235 READ<ch>[:​ P OWer]​ ............236 SENSe<ch>[:​ P OWer]:​ C ORRection:​ S PDevice:​ S TATe​ ............236 SENSe<ch>[:​ P OWer]:​ D ISPlay:​ P ERManent:​ S TATe​ ............236 SENSe<ch>[:​...

  • Page 253: Sense[: P Ower]: C Orrection: S Pdevice: S Tate

    ® Remote Control Commands R&S SMC100A SENSe, READ and INITiate Subsystems Return values: <Power> string 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 254: Sense[:Power]:Filter:length:auto

    ® Remote Control Commands R&S SMC100A SENSe, READ and INITiate Subsystems Parameters: <Priority> AVERage | PEAK *RST: AVERage Example: SENS1:DISP:PERM:STAT ON the permanent viewer is switched on. SENS1:DISP:PERM:PRI AVER the measured average power is indicated. SENSe<ch>[:POWer]:FILTer:LENGth:AUTO? The command queries the current filter length for auto filter mode (:SENSe<[1]...3>:POWer:FILTer:TYPE AUTO)

  • Page 255: Sense[: P Ower]: F Ilter: N Sratio: M Time

    ® Remote Control Commands R&S SMC100A SENSe, READ and INITiate Subsystems Parameters: <Nsratio> float Range: 0.0001 to 1.0 *RST: 0.01 Example: SENS1:FILT:TYPE NSR selects fixed noise filter mode for the power sensor connected to the SENSOR connector. SENS1:FILT:NSR 0.2 sets a noise content of 0.2.

  • Page 256: Sense[: P Ower]: F Ilter: T Ype

    ® Remote Control Commands R&S SMC100A SENSe, READ and INITiate Subsystems SENSe<ch>[:POWer]:FILTer:TYPE <Type> The command selects the filter mode. The filter length is the multiplier for the time window and thus directly influences the measurement time. Parameters: <Type> AUTO | USER | NSRatio...

  • Page 257: Sense[: P Ower]: O Ffset: S Tate

    ® Remote Control Commands R&S SMC100A SENSe, READ and INITiate Subsystems Parameters: <Offset> float Range: -100.0 to 100.0 *RST: Default unit: dB Example: SENS:POW:OFFS 10.0 sets a level offset of 10 dB SENSe<ch>[:POWer]:OFFSet:STATe <State> The command activates the addition of the level offset to the measured value. The level offset value is set with command SENSe[:POWer]:OFFSet.

  • Page 258: Sense[:Power]:Status[:Device]

    ® Remote Control Commands R&S SMC100A SENSe, READ and INITiate Subsystems SENSe<ch>[:POWer]:STATus[:DEVice]? The command queries if a sensor is connected to the signal generator. The sensor is selected by suffix in the keyword SENSe or READ of the command header.

  • Page 259: Source Subsystem

    ® Remote Control Commands R&S SMC100A SOURce Subsystem Example: SENS:ZERO activates autozero function. Usage: Event 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 260: Source:am Subsystem

    ® Remote Control Commands R&S SMC100A SOURce Subsystem 7.12.1 SOURce:AM Subsystem The AM subsystem contains the commands for checking the amplitude modulation. The external signal is input at the MOD EXT connector. The settings for the internal modulation source (LF generator) are made in the SOURce:LFOutput subsystem.
  • Page 261 ® Remote Control Commands R&S SMC100A SOURce Subsystem [:SOURce<hw>]:AM:SENSitivity? The command queries the input sensitivity of the external modulation input in %/V. The command is only effective if the external modulation source is selected (SOUR:AM:SOUR EXT). The returned value depends on the modulation depth setting (SOUR:AM:DEPTh).

  • Page 262: Source:correction Subsystem

    ® Remote Control Commands R&S SMC100A SOURce Subsystem 7.12.2 SOURce:CORRection Subsystem The output level is corrected in the CORRection subsystem. Correction is performed by user-defined table values being added to the output level for the respective RF frequency. In the R&S SMC, this subsystem is used to select, transfer and activate user correction tables.
  • Page 263 ® 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. Return values: <Catalog>...
  • Page 264 ® Remote Control Commands R&S SMC100A SOURce Subsystem [:SOURce<hw>]:CORRection:CSET:DATA:POWer <Power> The command transfers the level data to the table selected with :CORRection:CSET:SELect. *RST does not affect data lists. The numerical suffix at SOURce must not be used for this command.
  • Page 265 ® Remote Control Commands R&S SMC100A SOURce Subsystem Example: CORR:CSET:DATA:SENS:POW:SONC fills the user correction list with level values acquired by the power sensor connector to the SENSOR connector. Usage: Event [:SOURce]:CORRection:CSET:DELete <Delete> The command deletes the specified table. The lists are stored with the fixed file extensions *.uco in a directory of the user's choice.
  • Page 266 ® Remote Control Commands R&S SMC100A SOURce Subsystem [:SOURce<hw>]:CORRection:DEXChange:AFILe:EXTension <Extension> The command selects the file extension of the ASCII file to be imported or exported. Selection TXT (text file) or CSV (Excel file) is available. Parameters: <Extension> TXT | CSV...
  • Page 267 ® 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/ucor/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 268 ® 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/ucor/import/ucor.csv' selects that ASCII file ucor.csv is imported. CORR:DEXC:SEL '/var//user/ucor/import/ucor_imp' selects that the ASCII file ucor.csv is imported into user correction...
  • Page 269 ® 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/ucor/import/ucor.csv' selects that ASCII file ucor.csv is imported. CORR:DEXC:SEL '/var//user/ucor/import/ucor_imp' selects that the ASCII file ucor.csv is imported into user correc-...

  • Page 270: Source:fm Subsystem

    ® Remote Control Commands R&S SMC100A SOURce Subsystem Example: CORR:VAL? queries the value currently used for level correction. Response: -3 the correction value is - 3 dB. Usage: Query only 7.12.3 SOURce:FM Subsystem The FM subsystem contains the commands for checking the frequency modulation.
  • Page 271 ® Remote Control Commands R&S SMC100A SOURce Subsystem Parameters: <Coupling> AC | DC The DC voltage component is disconnected from the modulation signal. The modulation signal is not changed. *RST: Example: FM:EXT:COUP AC selects the coupling mode AC for external frequency modulation.

  • Page 272: Source:frequency Subsystem

    ® Remote Control Commands R&S SMC100A SOURce Subsystem [:SOURce<hw>]:FM:SOURce <Source> The command selects the modulation source for frequency modulation. Internal and external modulation source can be selected at the same time. Parameters: <Source> INT | EXT | INT,EXT INT is the internal modulation source which is defined with com- mand FM:SOURce:INTernal and configured in the SOURce:LFOutput subsystem.
  • Page 273 ® Remote Control Commands R&S SMC100A SOURce Subsystem ..............261 [:​ S OURce<hw>]:​ F REQuency:​ S TEP:​ M ODE​ [:SOURce<hw>]:FREQuency:CENTer <Center> The command sets the center frequency of the sweep. This setting in combination with the span setting ([SOURce:]FREQuency:SPAN) defines the sweep range.
  • Page 274 ® Remote Control Commands R&S SMC100A SOURce Subsystem Parameters: <Fixed> float Range: 300kHz to RFmax Increment: 0.01Hz *RST: 1GHz Default unit: Hz Example: FREQ 500kHz sets the frequency of RF output signal A to 500 kHz. Usage: SCPI confirmed [:SOURce<hw>]:FREQuency[:CW|:FIXed]:RCL <Rcl>...
  • Page 275 ® Remote Control Commands R&S SMC100A SOURce Subsystem Parameters: <Manual> float Range: STARt to STOP Increment: 0.01Hz *RST: 100MHz Default unit: Hz Example: SWE:MODE MAN sets the Step sweep mode. Example: FREQ:MAN 500MHz sets an RF frequency of 500 MHz for the next step in the Step sweep mode.
  • Page 276 ® Remote Control Commands R&S SMC100A SOURce Subsystem Parameters: <Multiplier> float Range: 1 to 10000 *RST: Example: FREQ:MULT 1 sets the multiplication factor to 1. [:SOURce<hw>]:FREQuency:OFFSet <Offset> The command sets the frequency offset of a downstream instrument, e.g. a mixer. If a frequency offset is entered, the frequency entered with SOURce:FREQuency:...
  • Page 277 ® 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 278 ® Remote Control Commands R&S SMC100A SOURce Subsystem As with the "Frequency" value entered in the header, the OFFSet value is also taken into consideration with this command. The specified value range is therefore only effective if OFFSet is set to 0. The value range for other OFFset values can be calculated using the following formula: 300 kHz + OFFSet ...

  • Page 279: 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 280 ® Remote Control Commands R&S SMC100A SOURce Subsystem Example The following example shows how to set an LF sweep. 1. Set the sweep range. LFOutput:FREQuency:STARt 4 kHz LFOutput:FREQuency:STOP 10 kHz 2. Select linear or logarithmic sweep spacing. LFOutput:SWEep[:FREQuency]:SPACing LIN 3. Set the step width and dwell time.
  • Page 281 ® Remote Control Commands R&S SMC100A SOURce Subsystem Parameters: <Frequency> float Increment: 0.1 Hz *RST: 1KHz Example: LFO2:FREQ 5kHz sets the frequency of the LF generator 2 signal to 5 kHz. [:SOURce]:LFOutput:FREQuency:MANual <Manual> In Sweep mode (SOUR:LFO:FREQ:MODE SWE) the command sets the frequency for the next sweep step in the "Step"...
  • Page 282 ® Remote Control Commands R&S SMC100A SOURce Subsystem Example: LFO:FREQ:MODE SWE sets the SWEep mode. The settings under SOURce:LFOutput:FREQuency:STARt; STOP; MANual become effective. [:SOURce]:LFOutput:FREQuency:STARt <Start> This command sets the start frequency for the LF Sweep mode. Parameters: <Start> float Range: 0.1 Hz to 1 MHz...
  • Page 283 ® Remote Control Commands R&S SMC100A SOURce Subsystem [:SOURce]:LFOutput[:STATe] <State> The command activates/deactivates the LF output. Parameters: <State> 0 | 1 | OFF | ON *RST: Example: LFO ON activates the LF output. The settings under LFO:FREQ and LFO:SWE become effective.
  • Page 284 ® 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 frequency step of the sweep is triggered individually, either by varying the "Current Fre- quency"...
  • Page 285 ® Remote Control Commands R&S SMC100A SOURce Subsystem Example: LFO:FREQ:STAR sets the start frequency to 2 kHz. LFO:FREQ:STOP sets the stop frequency to 20 kHz LFO:SWE:SPAC LIN sets linear sweep spacing. LFO:SWE:POIN 11 sets 11 sweep steps for linear sweep spacing. The sweep step width (STEP) is automatically set to 2 kHz.
  • Page 286 ® Remote Control Commands R&S SMC100A SOURce Subsystem If STEP:LIN changes, the value of POINTs is adjusted. The STARt and STOP value is retained. Parameters: <Linear> float Range: 0 to STOP-STARt Increment: 0.1 Hz Example: LFO:FREQ:STAR sets the start frequency to 2 kHz.

  • Page 287: Source:modulation Subsystem

    ® Remote Control Commands R&S SMC100A SOURce Subsystem [:SOURce]:LFOutput:VOLTage <Voltage> The command sets the output voltage of the LF output. Parameters: <Voltage> float Range: 0 to 4 Increment: 0.001 *RST: Default unit: V LFO:VOLT 3 V Example: sets the voltage of the LF output to 3 V.

  • Page 288: Source:phase Subsystem

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

  • Page 289: Source:pm Subsystem

    ® Remote Control Commands R&S SMC100A SOURce Subsystem 7.12.10 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 about the required options, see ​...
  • Page 290 ® Remote Control Commands R&S SMC100A SOURce Subsystem Parameters: <Coupling> AC | DC The DC voltage component is disconnected from the modulation signal. The modulation signal is not changed. *RST: Example: PM:EXT:COUP AC selects the coupling mode AC for external phase modulation.

  • Page 291: Source:power Subsystem

    ® Remote Control Commands R&S SMC100A SOURce Subsystem Usage: Query only SCPI confirmed [:SOURce<hw>]:PM:SOURce <Source> The command selects the modulation source for phase modulation. Parameters: <Source> INTernal | EXTernal INTernal INT is the LF generator. The frequency of the internal modulation signal can be set in the SOURce:LFOutput subsystem.
  • Page 292 ® Remote Control Commands R&S SMC100A SOURce Subsystem ............277 [:​ S OURce<hw>]:​ P OWer[:​ L EVel][:​ I MMediate]:​ O FFSet​ .............278 [:​ S OURce<hw>]:​ P OWer[:​ L EVel][:​ I MMediate]:​ R CL​ ...............278 [:​ S OURce<hw>]:​ P OWer:​ L IMit[:​ A MPLitude]​...
  • Page 293 ® 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 294 ® Remote Control Commands R&S SMC100A SOURce Subsystem The specified value range is therefore only effective if :SOURce:POWer:OFFSet is set to 0. The value range for other OFFSet values can be calculated using the following formula: Minimum level + OFFSet ... Maximum level + OFFSet The keywords of this command are largely optional.
  • Page 295 ® Remote Control Commands R&S SMC100A SOURce Subsystem Example: SOURce:POWer:LEVel:IMMediate:OFFSet -10 POW:OFFS 10 sets the RF level offset to 10 dB Usage: SCPI confirmed [:SOURce<hw>]:POWer[:LEVel][:IMMediate]:RCL <Rcl> The command determines whether the current level is retained or whether the stored level setting is adopted when an instrument configuration is loaded.
  • Page 296 ® Remote Control Commands R&S SMC100A SOURce Subsystem Example: SOURce:POWer:LIMit:AMPLitude 10 :POW:LIM 10 limits the RF level to maximum +10 dBm. Usage: SCPI confirmed [:SOURce<hw>]:POWer:LMODe <LevMode> The command sets the RF level mode. Parameters: <LevMode> NORMal | LOWNoise | LOWDistortion NORMal The RF signal is output in the standard values of the instrument.
  • Page 297 ® Remote Control Commands R&S SMC100A SOURce Subsystem Example: POW:SWE:MODE MAN sets the Step sweep mode for RF output A. POW:MAN -5 dBm sets an RF level of -5 dBm for the next setting in the Step sweep mode for RF output A.
  • Page 298 ® Remote Control Commands R&S SMC100A SOURce Subsystem Parameters: <Power> Minimum level ... Maximum level The value range for the level setting varies according to the instru- ment model. The values are given in the data sheet. Increment: 0.01 dB...
  • Page 299 ® Remote Control Commands R&S SMC100A SOURce Subsystem Parameters: <Increment> float Range: 0 dB to 100 dB Increment: 0.01 dB *RST: 1 dB Default unit: dB Example: SOURce:POWer:STEP:INCRement 2 POW:STEP 2 sets the step width for entering the RF level to 2 dB.

  • Page 300: 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. Usage: SCPI confirmed 7.12.12 SOURce:PULM Subsystem This subsystem contains the commands for setting the pulse modulation.
  • Page 301 ® Remote Control Commands R&S SMC100A SOURce Subsystem Parameters: <Delay> float Range: 10 ns to 100 s Increment: 20 ns *RST: 1 ms Default unit: ns Example: PULM:DOUB:DEL 22 us 22 us elapse between the beginning of the first pulse and the beginning of the second pulse in double-pulse mode.
  • Page 302 ® Remote Control Commands R&S SMC100A SOURce Subsystem Example: PULM:MODE DOUB enables double pulse generation. [:SOURce<hw>]:PULM:PERiod <Period> The command sets the period of the generated pulse. The period determines the repe- tition frequency of the internal signal. Parameters: <Period> float...
  • Page 303 ® Remote Control Commands R&S SMC100A SOURce Subsystem 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. EXTernal The signal applied externally via the EXT MOD connector is used for the pulse modulation.

  • Page 304: Source:roscillator Subsystem

    ® Remote Control Commands R&S SMC100A SOURce Subsystem Parameters: <Slope> POS | NEG *RST: POSitive Example: PULM:TRIG:EXT:SLOP NEG The pulse generator is triggered on the negative slope of the external trigger signal. [:SOURce<hw>]:PULM:TRIGger:MODE <Mode> The command selects the trigger mode for pulse modulation.
  • Page 305 ® Remote Control Commands R&S SMC100A SOURce Subsystem The commands of this subsystem are not affected by an instrument reset (​ * RST​ on page 208)..............288 [:​ S OURce]:​ R OSCillator:​ E XTernal:​ F REQuency​ ...............288 [:​ S OURce]:​ R OSCillator:​ E XTernal:​ R FOFf:​ S TATe​...
  • Page 306 ® Remote Control Commands R&S SMC100A SOURce Subsystem Parameters: <Value> float Range: 0 to 4095 Increment: 1 Example: ROSC:ADJ:VAL 1400 sets the adjustment value to 1400. [:SOURce]:ROSCillator[:INTernal]:ADJust[:STATe] <State> The command determines whether the calibrated (OFF) or a user-defined (ON) adjust- ment value is used for fine adjustment of the frequency.

  • Page 307: Source:sweep Subsystem

    ® Remote Control Commands R&S SMC100A SOURce Subsystem 7.12.14 SOURce:SWEep Subsystem This subsystem contains the commands for checking the RF sweeps, i.e. the sweeps of the RF generators. Sweeps are always triggered, except for the MANual sweep mode. The frequency sweep is activated by the command SOURce:FREQuency:MODE SWEep, and the level sweep by the command SOURce:POWer:MODE SWEep.

  • Page 308: [: S Ource]: S Weep[: F Requency]: D Well

    ® Remote Control Commands R&S SMC100A SOURce Subsystem [:SOURce<hw>]:SWEep[:FREQuency]:DWELl <Dwell> The command sets the time taken for each frequency step of the sweep. The keyword [:FREQuency] can be omitted (see example). The command is then SCPI- compliant. Tip: It is recommended to switch off the "GUI Update" for optimum sweep performance especially with short dwell times (​...

  • Page 309: [: S Ource]: S Weep[: F Requency]: P Oints

    ® 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 frequency step of the sweep is triggered individually, either by varying the "Current Fre- quency"...

  • Page 310: [: S Ource]: S Weep[: F Requency]: S Hape

    ® Remote Control Commands R&S SMC100A SOURce Subsystem Example: FREQ:STAR sets the start frequency to 100 MHz. FREQ:STOP sets the stop frequency to 500 MHz. SWE:SPAC LIN sets linear sweep spacing. SWE:POIN 401 sets 401 sweep steps for linear sweep spacing. The sweep step width (STEP) is automatically set to 1 MHz.

  • Page 311: [: S Ource]: S Weep[: F Requency]: S Tep[: L Inear]

    ® 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 linear sweep is entered in Hz (see ​...

  • Page 312: [: S Ource]: S Weep[: F Requency]: S Tep: L Ogarithmic

    ® Remote Control Commands R&S SMC100A SOURce Subsystem [:SOURce<hw>]:SWEep[:FREQuency]:STEP:LOGarithmic <Logarithmic> The comman specifies the step width factor for logarithmic sweeps. The next frequency value of a sweep is calculated (for STARt < STOP) using the following formula: New frequency = Old frequency + STEP:LOG x Old frequency STEP:LOG therefore gives the fraction of the old frequency.

  • Page 313: [:Source]:Sweep:power:execute

    ® Remote Control Commands R&S SMC100A SOURce Subsystem [:SOURce<hw>]:SWEep:POWer:EXECute The command triggers a sweep. The command is only valid for sweep mode Single (SOURce:SWEep:POWer:MODE SINGle). The command corresponds to the manual-control command "Execute Single Sweep". Example: SOURce:SWEep:POWer:MODE SINGle sets the single cycle mode of the level sweep.

  • Page 314: [: S Ource]: S Weep: P Ower: S Hape

    ® Remote Control Commands R&S SMC100A SOURce Subsystem Parameters: <Points> float *RST: 20dB Example: POW:STAR - 30 dBm sets the start frequency to -30 dBm. POW:STOP - 10 dBm sets the stop frequency to -10 dBm. SWE:POW:POIN 20 sets 20 sweep steps. The sweep step width (STEP) is automati- cally set to 1 dB.

  • Page 315: Status Subsystem

    ® Remote Control Commands R&S SMC100A STATus Subsystem STEP:LOG therefore gives the fraction of the old level. The level is increased by this fraction for the next sweep step. Usually STEP:LOG is given in decibels, whereby the suffix dB must always be used.
  • Page 316 ® Remote Control Commands R&S SMC100A STATus Subsystem .................302 STATus:​ Q UEStionable:​ P TRansition​ ....................302 STATus:​ Q UEue[:​ N EXT]​ STATus:OPERation:CONDition? <Condition > The command queries the content of the CONDition part of the STATus:OPERation reg- ister. This part contains information on the action currently being performed in the instru- ment.
  • Page 317 ® Remote Control Commands R&S SMC100A STATus Subsystem STATus:OPERation:NTRansition <Ntransition> The command sets the bits of the NTRansition part of the STATus:OPERation 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 318 ® Remote Control Commands R&S SMC100A STATus Subsystem STATus:QUEStionable:CONDition? <Condition > The command queries the content of the CONDition part of the STATus:QUEStionable register. This part contains information on the action currently being performed in the instrument. The content is not deleted after being read out since it indicates the current hardware status.

  • Page 319: System Subsystem

    ® Remote Control Commands R&S SMC100A SYSTem Subsystem Parameters: <Ntransition> string Example: STAT:OPER:NTR 0 A transition from 1 to 0 in the condition part of the Status:Ques- tionable register does not cause an entry to be made in the EVENt part.
  • Page 320 ® Remote Control Commands R&S SMC100A SYSTem Subsystem .............304 :​ S YSTem:​ C OMMunicate:​ N ETWork[:​ C OMMon]:​ D OMain​ ..........304 :​ S YSTem:​ C OMMunicate:​ N ETWork[:​ C OMMon]:​ H OSTname​ ..........305 :​ S YSTem:​ C OMMunicate:​ N ETWork[:​ C OMMon]:​ W ORKgroup​...

  • Page 321: S Ystem: C Ommunicate: N Etwork[: C Ommon]: D Omain

    ® Remote Control Commands R&S SMC100A SYSTem Subsystem Parameters: <Lterminator> STANdard | EOI The terminator must be sent together with the line message EOI (End of Line). This setting is recommended for binary block trans- missions where a character could coincidentally have the value LF (Line Feed) but is not intended as the terminator.

  • Page 322: S Ystem: C Ommunicate: N Etwork[: C Ommon]: W Orkgroup

    ® Remote Control Commands R&S SMC100A SYSTem Subsystem Example: SYST:COMM:NETW:HOST ‘SIGGEN’ enters the individual computer name of the R&S Signal Generator. Example: SYST:COMM:NETW:COMM:SET ON activates the change of the hostname. :SYSTem:COMMunicate:NETWork[:COMMon]:WORKgroup <Workgroup> The command enters the individual workgroup name of the instrument.

  • Page 323: S Ystem: C Ommunicate: N Etwork[: I Paddress]: G Ateway

    ® Remote Control Commands R&S SMC100A SYSTem Subsystem :SYSTem:COMMunicate:NETWork[:IPADdress]:GATeway <Gateway> The command enters the IP address of the default gateway. The entry is only activated after sending command SYST:COMM:NETW:IPAD:SET. Parameters: <Gateway> string Range: 0.0.0.0 to ff.ff.ff.ff Example: SYST:COMM:NETW:GAT 1.2.3.4 enters the IP address of the default gateway.

  • Page 324: System:communicate:gpib:resource

    ® Remote Control Commands R&S SMC100A SYSTem Subsystem :SYSTem:COMMunicate:GPIB:RESource? The command queries the visa resource string for remote control via the GPIB interface. This string is used for remote control of the instrument. To change the GPIB address, use the command SYST:COMM:GPIB:ADDR.

  • Page 325: S Ystem: C Ommunicate: S Erial: S Bits

    ® Remote Control Commands R&S SMC100A SYSTem Subsystem :SYSTem:COMMunicate:SERial:SBITs <Sbits> The command enters 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. :SYSTem:COMMunicate:SOCKet:RESource? The command queries the visa resource string for remote control via the Socket interface.

  • Page 326: System:error:all

    ® Remote Control Commands R&S SMC100A SYSTem Subsystem The command disables also the front panel keyboard of the instrument including the LOCAL key. Parameters: <Dlock> 0 | 1 | OFF | ON *RST: SYST:DLOC ON Example: activates the display lock. The instrument cannot be operated via the display until it has been enabled with SYST:DLOC OFF.

  • Page 327: System:error:code[:Next]

    ® Remote Control Commands R&S SMC100A SYSTem Subsystem SYSTem:ERRor:CODE[:NEXT]? The command 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 328: S Ystem: I Dentification

    ® 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 :SYSTem:IDENtification <Identification> Enables/disables selection of user defined "IDN String" and "OPT String" for the selected instrument (:SYST:LANG).

  • Page 329: S Ystem: K Lock

    ® Remote Control Commands R&S SMC100A SYSTem Subsystem :SYSTem:KLOCk <Klock> This command (Keyboard LOCk) disables the front panel keyboard of the instrument including the LOCAL key, or enables it again (OFF). Parameters: <Klock> 0 | 1 | OFF | ON...

  • Page 330: S Ystem: P Rotect[: S Tate]

    ® Remote Control Commands R&S SMC100A SYSTem Subsystem Example: SYST:IDEN USER selects an user-defined identification SYST:ORES "Test Option" defines the OPT string 'test option' *OPT? Response: 'test option' :SYSTem:PROTect<ch>[:STATe] <State>,<password> The command activates and deactivates the specified protection level. Suffix: <ch>...

  • Page 331: Test Subsystem

    ® Remote Control Commands R&S SMC100A TEST Subsystem :SYSTem:STARtup:COMPlete? The command 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 332 ® Remote Control Commands R&S SMC100A TEST Subsystem Improper use may destroy the assembly! The respective hardware assembly responds directly to the :TEST:DIRect command; any safety mechanisms are bypassed. The command is used for servicing purposes and should not be applied by the user.

  • Page 333: Trigger Subsystem

    ® Remote Control Commands R&S SMC100A TRIGger Subsystem 7.16 TRIGger Subsystem The TRIGger system contains the commands for selecting the trigger source for the RF and LF sweep. The trigger input connectors are configured in the SOURce:INPut sub- system. The trigger system of the R&S SMC is a simplified implementation of the SCPI trigger system.

  • Page 334: Eauto

    ® Remote Control Commands R&S SMC100A TRIGger Subsystem An overview of the various names is given in the ​ t able 7-2. Parameters: <Source> AUTO | IMMediate | SINGle | BUS | EXTernal | EAUTo AUTO|IMMediate The trigger is free-running, i.e. the trigger condition is fulfilled con- tinuously.

  • Page 335: Trigger:Psweep[:Immediate]

    ® 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 336: T Rigger: P Sweep: S Ource

    ® Remote Control Commands R&S SMC100A TRIGger Subsystem :TRIGger<hw>:PSWeep:SOURce <Source> The command sets the trigger source for the RF level sweep. 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.

  • Page 337: Unit Subsystem

    ® Remote Control Commands R&S SMC100A UNIT Subsystem :TRIGger<hw>[:SWEep]:SOURce <Source> The command sets the trigger source for all sweeps. 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.
  • Page 338 ® Remote Control Commands R&S SMC100A UNIT Subsystem :UNIT:ANGLe <Angle> The command defines the default unit for the phase modulation angle. It is not valid for other commands which determine angle values, e.g. RF phase. It does not influence the manual control parameter unit and the display.

  • Page 340: Maintenance

    ® Maintenance R&S SMC100A Storing and Packing 8 Maintenance The instrument does not need periodic maintenance. Only the cleaning of the instrument is essential. The outside of the instrument is suitably cleaned using a soft, line-free dust cloth. Make sure that the air vents are not obstructed.

  • Page 342: Error Messages

    ® Error Messages R&S SMC100A Status Information 9 Error Messages This chapter describes the error messages of the R&S SMC. The error messages are output in the "Info" line on the screen and entered in the error/event queue of the status reporting system.

  • Page 343: Status Information Displayed To The Left Of The Info Line

    ® Error Messages R&S SMC100A Status Information However, the frequency entered and displayed in the "Frequency/Phase" dialog of the "RF" function block always corresponds to the RF output frequency. Any frequency offset is not taken into consideration. The correlation is as follows:...

  • Page 344: Status Information Displayed In The Info Line

    ® Error Messages R&S SMC100A Status Information REM-LLO The instrument is remote (REMote) controlled. The LOCAL key is disabled by remote control with the command LLO (LocalLockOut). The keys on the front panel are usable, but all parameters are in read only mode.

  • Page 345: Error Messages

    ® Error Messages R&S SMC100A Error Messages OvenCold The reference oscillator has not yet reached its nominal frequency. When switching on from the STANDBY mode, the specified frequency accuracy is reached immediately. If the power switch was switched off, the reference oscillator needs some warm-up time to reach its nominal frequency.

  • Page 346: Device-Specific Error Messages

    ® Error Messages R&S SMC100A Device-Specific Error Messages The errors are assigned negative numbers. The error text being entered into the error/ event queue or being displayed is printed in bold face on the left together with the error code. Below the error text, there is an explanation as to the respective error.
  • Page 347 ® Error Messages R&S SMC100A Device-Specific Error Messages Error Error Description Remedy Code Hardware revision out A later version of certain parts of the The driver does not support the of date instrument is necessary to execute the installed version of a module.

  • Page 348: A Hardware Interfaces

    ® Hardware Interfaces R&S SMC100A GPIB Bus Interface 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 ​ c hapter 6, "Remote Control Basics", on page 165.
  • Page 349 ® Hardware Interfaces R&S SMC100A GPIB Bus Interface SRQ (Service Request): active LOW enables the connected device to send a service request to the controller. REN (Remote Enable): active LOW permits switchover to remote control. EOI (End or Identify): has two functions in connection with ATN: –...

  • Page 350: List Of Commands

    ® List of Commands R&S SMC100A List of Commands *CAL​ ................................205 *CLS​ ................................205 *ESE​ ................................206 *ESR​ ................................206 *IDN​ ................................206 *IST​ ................................206 *OPC​ ................................207 *OPT​ ................................207 *PCB​ ................................207 *PRE​ ................................207 *PSC​ ................................207 *RCL​...
  • Page 351 ® List of Commands R&S SMC100A :​ H COPy:​ F ILE[:​ N AME]:​ A UTO[:​ F ILE]:​ M ONTh:​ S TATe​ ..................221 :​ H COPy:​ F ILE[:​ N AME]:​ A UTO[:​ F ILE]:​ N UMBer​ ....................221 :​ H COPy:​ F ILE[:​ N AME]:​ A UTO[:​ F ILE]:​ P REFix​ ....................221 :​...
  • Page 352 ® List of Commands R&S SMC100A :​ S YSTem:​ C OMMunicate:​ S ERial:​ R ESource​ ....................307 :​ S YSTem:​ C OMMunicate:​ S ERial:​ S BITs​ ......................308 :​ S YSTem:​ C OMMunicate:​ S OCKet:​ R ESource​ ....................308 :​ S YSTem:​ C OMMunicate:​ U SB:​ R ESource​ ......................306 :​...
  • Page 353 ® List of Commands R&S SMC100A SENSe<ch>[:​ P OWer]:​ Z ERO​ .........................241 STATus:​ O PERation:​ C ONDition​ ........................299 STATus:​ O PERation:​ E NABle​ .........................299 STATus:​ O PERation:​ N TRansition​ ........................300 STATus:​ O PERation:​ P TRansition​ ........................300 STATus:​...
  • Page 354 ® List of Commands R&S SMC100A [:​ S OURce<hw>]:​ F M[:​ D EViation]​ ........................253 [:​ S OURce<hw>]:​ F REQuency:​ C ENTer​ ......................256 [:​ S OURce<hw>]:​ F REQuency:​ M ANual​ ......................257 [:​ S OURce<hw>]:​ F REQuency:​ M ODE​ ......................258 [:​...
  • Page 355 ® List of Commands R&S SMC100A [:​ S OURce<hw>]:​ P ULM:​ S TATe​ ........................286 [:​ S OURce<hw>]:​ P ULM:​ T RIGger:​ E XTernal:​ G ATE:​ P OLarity​ .................286 [:​ S OURce<hw>]:​ P ULM:​ T RIGger:​ E XTernal:​ S LOPe​ ..................286 [:​...

  • Page 356: Index

    ® Index R&S SMC100A Index 50 - Extern reference out of range or disconnected .... Assemblies display ..........79, 213 ATN ................331 140 - This modulation forces other modulations off .... Attention ................ 331 Attenuator ..............233 180 - Adjustment failed ..........329 Attenuator Mode ............
  • Page 357 ® Index R&S SMC100A Changing ..............33 Documentation Overview ..........11 Computer name - Setup ..........86 Double dagger .............. 190 CONDition ..............197 Double Pulse ..............162 Confirm Password - Setup ........92, 93 Double Pulse Delay ..........163, 283 Connection to an external controller ........
  • Page 358 ® Index R&S SMC100A Extension Import/Export - User Correction data ..130, interface messages ..........170 Remote control interface ........165 External impedance ............262 GPIB address ............171, 304 External modulation signal ..........147 GPIB bus address ............90 FM ..............
  • Page 359 ® Index R&S SMC100A License Key ..............81 Limit Level ................ 278 Arrow key ..............17 Limit - Level ..............121 BACKSPACE ............15 Linux ................29 Cursor key ..............17 Linux controller ..............35 DIAGRAM ..............16 List mode ..............280 ENTER ..............
  • Page 360 ® Index R&S SMC100A Parity - RS232 Interface ..........90 Part numbers ..............79 NAN ................188 Paste ................106 Navigation keys ..............17 Path reset ..............210 NDAC ................331 PCI bus ................80 Network Settings .............. 85 Phase Network Status ..............
  • Page 361 ® Index R&S SMC100A Registers ................ 196 Security Settings REM-LLO ..............327 Accept ................ 95 REMOTE ................ 326 Annotation Amplitude ..........94 Remote access ..............33 Annotation Frequency ..........94 Remote control Change Password ..........92, 93 Basics ..............165 Confirm Password ..........
  • Page 362 ® Index R&S SMC100A Level Sweep ............ 145, 297 Status reporting system ..........195 LF Sweep ..............268 Application .............. 200 RF Sweep ..............293 common commands ..........205 Spacing - LF Sweep ............159 STB ................196 Spacing - RF Sweep ............139 Step Span (RF sweep) ..........
  • Page 363 ® Index R&S SMC100A remote ..............209 Workgroup - Setup ............305 Triggering sweep manually ......144, 291, 296 Trigger Input Slope ........141, 146, 160 Trigger Mode Year Hardcopy File Name ..........222 Pulse Modulation ..........163, 287 Trigger Source Level Sweep ............

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