Rohde & Schwarz SMC100A Manual
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Rohde & Schwarz SMC100A Manual

Signal generator
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Signal Generator
R&S
1411.4002K02
1411.4060.32-01-
SMC100A
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Test and Measurement
99 Washington Street
Melrose, MA 02176
Phone 781-665-1400
Toll Free 1-800-517-8431
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  • Page 1 Manual Signal Generator  R&S SMC100A 1411.4002K02 99 Washington Street Melrose, MA 02176 Phone 781-665-1400 Toll Free 1-800-517-8431 Visit us at www.TestEquipmentDepot.com Back to the Rohde&Schwarz SMC100A Page Test and Measurement 1411.4060.32-01-...
  • Page 2 Dear Customer, throughout this manual, the Signal Generator R&S® SMC100A is abbreviated as R&S SMC. The firmware of the instrument makes use of the operating system LINUX® and other valuable open source software packages. The most important of them are listed below together with their corresponding open source license.
  • Page 3 Safety Instructions Customer Information Regarding Produict Disposal Certificate of Quality EC Certificate of Conformity Support-Center Address List of R&S Representatives User documentation for the Signal Generator R&S SMC100A Operating Manual Tabbed Divider Chapter 1: Putting into Operation Chapter 2: Getting Started...
  • Page 4 Grouped Safety Messages Make sure to read through and observe the following safety instructions! All plants and locations of the Rohde & Schwarz group of companies make every effort to keep the safety standard of our products up to date and to offer our customers the highest possible degree of safety. Our products and the auxiliary equipment required for them are designed and tested in accordance with the relevant safety standards.
  • Page 5 Grouped Safety Messages Tags and their meaning DANGER DANGER indicates a hazardous situation which, if not avoided, will result in death or serious injury. WARNING WARNING indicates a hazardous situation which, if not avoided, could result in death or serious injury. CAUTION CAUTION indicates a hazardous situation which, if not avoided, may result in minor or moderate injury.
  • Page 6 Grouped Safety Messages 5. If handling the product yields hazardous of the connecting cable is regarded as the substances or fuels that must be disposed of disconnecting device. In such cases, it must in a special way, e.g. coolants or engine oils be ensured that the power plug is easily that must be replenished regularly, the safety reachable and accessible at all times...
  • Page 7 Grouped Safety Messages 20. For permanently installed equipment without national regulations regarding waste built-in fuses, circuit breakers or similar disposal and recycling. protective devices, the supply circuit must be 28. Please be aware that in the event of a fire, fused in such a way that suitable protection toxic substances (gases, liquids etc.) that is provided for users and products.
  • Page 8 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  electrical and electronic equipment (RoHS).  Product labeling in accordance with EN 50419  Once the lifetime of a product has ended, this product must not be disposed of in the  standard domestic refuse. Even disposal via the municipal collection points for waste  electrical and electronic equipment is not permitted.  Rohde & Schwarz GmbH & Co. KG has developed a disposal concept for the  environmental­friendly disposal or recycling of waste material and fully assumes its  obligation as a producer to take back and dispose of electrical and electronic waste in  accordance with the ElektroG Act.  Please contact your local service representative to dispose of the product. 1171.0200.52-01.00...
  • Page 9 Certified Quality System DIN EN ISO 9001 : 2000 DIN EN 9100 : 2003 DIN EN ISO 14001 : 2004 DQS REG. NO 001954 QM UM QUALITÄTSZERTIFIKAT CERTIFICATE OF QUALITY CERTIFICAT DE QUALITÉ Sehr geehrter Kunde, Dear Customer, Cher Client, Sie haben sich für den Kauf eines you have decided to buy a Rohde &...
  • Page 10 EC Certificate of Conformity Certificate No.: 2008-64 This is to certify that: Equipment type Stock No. Designation SMC100A 1411.4002.02 Signal Generator SMC-B1 1411.6705.02 Reference Oscillator complies with the provisions of the Directive of the Council of the European Union on the...
  • Page 11 R&S SMC100A User Documentation Contents of User Documentation for the Signal Generator R&S SMC100A The user documentation describes the Signal Generator R&S SMC and all options. It includes a printed Quick Start Guide and a CD-ROM with the complete operating and service manual in printable pdf- format and the data sheet.
  • Page 12 User Documentation R&S SMC100A Documentation CD-ROM The CD-ROM provides the complete user documentation for the Signal Generator: The online help system (*.chm). The complete operating manual and service manual in printable form (*.pdf). The data sheet (brochure and data sheet) in printable form.
  • Page 13 In addition it describes how to perform a firmware update and how to install options. Internet Site The Internet site at: Signal Generator R&S SMC100A provides the most up to date information on the R&S SMC. Additionally firm- ware updates including the associated release notes, instrument drivers, current data sheets and application notes are provided for download on the internet site.

  • Page 14: Table Of Contents

    Contents - Putting into Operation R&S SMC100A Contents - Chapter 1 "Putting into Operation" Putting into Operation ............. 1.1 Introduction - Putting into Operation..............1.1 Legend for Front Panel View................1.1 Legend for Rear Panel View ................1.8 Putting into Operation..................1.11 Unpacking the Instrument ..............

  • Page 15: Putting Into Operation

    R&S SMC100A Introduction - Putting into Operation Putting into Operation Introduction - Putting into Operation Chapter 1, "Putting into Operation" explains the control elements and connectors of the R&S SMC Signal Generator with the aid of the front and rear views and describes how to put the instrument into operation.
  • Page 16 Legend for Front Panel View R&S SMC100A Keys for general instrument settings PRESET See chapter 4, section Sets the instrument to a defined state. "General Instrument Settings" HELP Displays context-sensitive help text. LOCAL Switches from REMOTE control to LOCAL (manual) control.
  • Page 17 R&S SMC100A Legend for Front Panel View Keys for setting frequency and level FREQ See chapter 3, section Activates frequency entry. "Setting Parameters", and chapter 4, section LEVEL "RF Signal" and Activates level entry. "Modulations" INFO Displays status messages, error messages and warnings.
  • Page 18 Legend for Front Panel View R&S SMC100A Keypad for data entry Keys for data entry See chapter 3, section "Selecting a Unit - The unit keys can either select a unit and thus Setting Parameters" determine the absolute value, or change the unit.
  • Page 19 R&S SMC100A Legend for Front Panel View Keypad for data entry ENTER See chapter 3, section – Calls the next menu level. "Setting Parameters" – Activates the editing mode for highlighted numeric and alphanumeric parameters. – Terminates a data entry; the new value is set.In case of numeric...
  • Page 20 Legend for Front Panel View R&S SMC100A RF output See data sheet Output for RF signal. and chapter 4, section "RF Signal" Maximum Input Levels NOTICE Do not overload the RF output. The maximum permissible back-feed is specified in the data sheet.
  • Page 21 R&S SMC100A Legend for Front Panel View Keypad for data entry DIAGR See chapter 3, section Brings the block diagram to the "Setting Parameters", foreground. Active menus are and chapter 4, section minimized. "RF Signal" and "Modulations" CLOSE Calls the next higher selection level. This opens up...

  • Page 22: Legend For Rear Panel View

    Legend for Rear Panel View R&S SMC100A Legend for Rear Panel View This section gives an overview of connectors on the rear panel of the R&S SMC. Each connector is briefly described and a reference is given to the chapters containing detailed information. For technical data of the connectors refer to the data sheet.
  • Page 23 R&S SMC100A Legend for Rear Panel View Fuses Fuses: See chapter 1, section "Power Fuses" and The R&S SMC is fully fused by two data sheet fuses IEC127-T3.15H/250 V. IEEE 488 - IEC/IEEE-bus connector IEC 625/IEEE 488 See data sheet and...
  • Page 24 Legend for Rear Panel View R&S SMC100A LAN interface See data sheet and Ethernet interface chapter 1, section "Connecting the – Remote control of signal generator R&S SMC to a Network – Remote access to graphical user (LAN)", chapter 8, interface of signal generator.

  • Page 25: Putting Into Operation

    R&S SMC100A Putting into Operation Putting into Operation The following section describes the procedure for putting the instrument into operation. It contains general safety instructions for instrument operation. The installation of options and the firmware update are described in chapter 4 of the Service Manual (supplied with the instrument on the CD-ROM).

  • Page 26: Safety Instructions

    Putting into Operation R&S SMC100A Safety Instructions General Precautions NOTICE Instrument damage caused by disregarding the following precautions! Any non-compliance with the following precautions may cause damage to the instrument. Prior to putting the instrument into operation, check the following: •...

  • Page 27: Emc Safety Precautions

    R&S SMC100A Putting into Operation Cleaning the Outside and Storing What is necessary is essentially the cleaning of the instrument. NOTICE Instrument damage caused by cleaning agents! Prior to cleaning, disconnect the product from the AC supply. Cleaning agents contain substances that may damage the instrument, e.g. solvent- containing cleaning agents may damage the front panel labeling or plastic parts.

  • Page 28: Start Display And Booting The R&S Smc

    Putting into Operation R&S SMC100A Start Display and Booting the R&S SMC After instrument switch-on, the Linux operating system boots first and then the instrument firmware. After booting is completed, the block diagram of the signal generator is displayed. The green lighting LED on the front panel indicates that the instrument is ready to be operated.

  • Page 29: Power Fuses

    R&S SMC100A Function Check Power Fuses The R&S SMC is fully fused by two fuses IEC127-T3.15H/250 V. The fuses are accommodated in the fuse holders next to the power connector. Use only fuses of the mentioned type. CAUTION Shock hazard! For fuse replacement, ensure that the instrument is switched off and disconnected from the power supply.

  • Page 30: Default Settings

    Default Settings R&S SMC100A Default Settings The instrument is set to a defined state with the key. With PRESET, all parameters and switch PRESET states are preset, including those of deactivated operating modes. The default instrument settings provide a reproducible initial basis for all other settings.However, functions that concern the integration of the instrument into a measurement setup are not changed, e.g.

  • Page 31: Linux Operating System

    R&S SMC100A Linux Operating System Linux Operating System NOTICE Possible impairment of the functioning of the instrument The instrument is equipped with the Linux operating system. It is thus possible to install COTS software in the instrument. The use and installation of commercial off- the-shelf (COTS) software may impair the instrument function.

  • Page 32: Connecting The R&S Smc To A Network (Lan)

    Connecting the R&S SMC to a Network (LAN) R&S SMC100A Connecting the R&S SMC to a Network (LAN) The R&S SMC is equipped with a network interface and can be connected to an Ethernet LAN (local area network). Provided the appropriate rights have been assigned by the network administrator, the instrument can be remote-controlled and remote-accessed in the network.
  • Page 33 R&S SMC100A Connecting the R&S SMC to a Network (LAN) Networks using DHCP The R&S SMC is preconfigured for networks using DHCP (dynamic host configuration protocol). In these networks, an available IP address is automatically assigned to the R&S SMC. The R&S SMC provides an unambiguous computer name in the network via the DHCP request.

  • Page 34: Remote Access Via An External Controller

    Remote Access via an External Controller R&S SMC100A Remote Access via an External Controller The R&S SMC can be remote-accessed from an external PC via a network link. This allows convenient operation of the signal generator from the desktop although the instrument is integrated in a rack somewhere else.
  • Page 35 R&S SMC100A Remote Access via an External Controller Install VNC Viewer and Establish VNC Connection on the Windows PC The Ultr@VNC program is available on the Internet as a free-of-charge download or on the R&S SMC CD-ROM. Following the instructions on the Internet, the program can be copied onto the external Windows PC.
  • Page 36 R&S SMC100A Contents - Getting Started Contents - Chapter 2 "Getting Started" Getting Started ................. 2.1 Introduction - Getting Started ................2.1 Description of Individual Diagram Blocks............2.2 Available Blocks .................. 2.2 Info and Help System ................2.4 Example of Setup ..................... 2.4 Generation of an Amplitude-Modulated Signal ........

  • Page 37: Getting Started

    For signal generation the instrument is equipped with one of the frequency options: R&S SMC-B101 9 kHz to 1.1 GHz R&S SMC-B103 9 kHz to 3.2 GHz For more detailed information on options, refer to the R&S SMC data sheet (available on the R&S SMC homepage on the internet; http://www.rohde-schwarz.com/product/SMC100A). 1411.4077.62...

  • Page 38: Description Of Individual Diagram Blocks

    Description of Individual Diagram Blocks R&S SMC100A Description of Individual Diagram Blocks Available Blocks Block Function of block Status display in the block Effect of the On checkboxes, or the MOD ON/OFF and RF ON/OFF keys Mod Gen The internal modulation...
  • Page 39 R&S SMC100A Description of Individual Diagram Blocks Modulation block The internal and external analog modulations are configured and activated in the Modulation block. key switches the active modulation(s) on/off. MOD ON/OFF The internal modulation sources are configured in the Mod Gen block. External amplitude, frequency or phase modulation signals can be fed in at the input connector MOD EXT on the front of the instrument.

  • Page 40: Info And Help System

    Example of Setup R&S SMC100A Info and Help System The R&S SMC comprises a comprehensive info and help system. Context-sensitive help can be called any time with the key. The help system indicates the currently selected parameter and HELP offers additional services such as cross references, index and contents. The content of the help system corresponds to the operating manual of the R&S SMC.

  • Page 41: Generation Of An Amplitude-Modulated Signal

    R&S SMC100A Example of Setup Generation of an Amplitude-Modulated Signal In the example, a simple AM-modulated signal is configured. Proceed as described below: 1. Activate default (preset) state. 2. Select and activate AM modulation. 3. Set frequency and level and activate RF signal.
  • Page 42 Example of Setup R&S SMC100A Press the rotary knob to open the Amplitude Modulation menu. Select the AM Depth parameter by turning the rotary knob, and then enter the desired AM depth with the aid of the numeric keypad and the unit keys.
  • Page 43 R&S SMC100A Example of Setup Step 3: Set frequency and level and activate the RF signal Press the key to activate the editing mode FREQ for frequency entry. The frequency entry field in the header section of the display is highlighted.
  • Page 44 Example of Setup R&S SMC100A Select the RF block by turning the rotary knob and activate it by pressing the key. RF ON/OFF The AM modulation signal is now present at the RF output. 1411.4077.62...

  • Page 45: Generation Of An Rf Frequency Sweep Signal

    R&S SMC100A Example of Setup Generation of an RF Frequency Sweep Signal In the example, an RF frequency sweep is configured. Proceed as described below: Activate default (preset) state. Configure and activate RF frequency sweep. The settings are: start frequency: 100 MHz stop frequency: 500 MHz.
  • Page 46 Example of Setup R&S SMC100A Select RF Freq Sweep... by turning the rotary knob. Press the rotary knob to open the RF Freq Sweep menu. All sweep parameters are default except for the sweep mode. The default settings are not changed.
  • Page 47 R&S SMC100A Example of Setup Step 3: Activate RF signal Activate the RF signal output by pressing the key. RF ON/OFF 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.
  • Page 48 R&S SMC100A Contents - Manual Operation Contents - Chapter 3 "Manual Operation" Manual Operation ..............3.1 Introduction - Manual Operation............... 3.1 Operating Concept ................... 3.1 Display......................3.4 Frequency and Level Setting - Display ..........3.5 Status Information and Messages - Display........3.5 Info Window - Display................

  • Page 49: Manual Operation

    R&S SMC100A Introduction - Manual Operation Manual Operation Introduction - Manual Operation The R&S SMC Signal Generator 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. Rotary knob, keys and softkeys, or alternatively a mouse, allow direct and therefore convenient access to entries and settings.
  • Page 50 R&S SMC100A Operating Concept Operation via the graphics interface Menus are assigned to the specific function blocks in the block diagram. The function blocks represent elements of signal generation, e.g. the Modulation block which contains all menus required for modulation signal configuration. In this block all modulations can be selected. Function blocks displayed with a blue frame can be directly switched on and off by means of the key.
  • Page 51 R&S SMC100A Operating Concept Most of the settings can be easily made with the rotary knob Operation is possible via front-panel keys, an external keyboard and the mouse. Most of the settings can be made with the rotary knob: •...

  • Page 52: Display

    R&S SMC100A Display Messages indicate the current instrument state A great variety of different messages such as status messages, error messages, warnings or information are displayed in the header field of the screen. With the aid of the key, help pages INFO can be called for most of the messages.

  • Page 53: Frequency And Level Setting - Display

    R&S SMC100A Display Frequency and Level Setting - Display Frequency/level settings and a few status messages (see below) are displayed in the header field of the screen. The display may vary depending on the instrument's operating mode: • In the sweep mode, the current frequency or level of the output signal is displayed.

  • Page 54: Info Window - Display

    R&S SMC100A Display Messages Messages indicate errors in the instrument. They are displayed in the info line in different colors depending on their importance and display duration. Errors (e.g. no calibration data) are displayed in red, information (e.g. file not found) and warnings in black. Warnings indicate less significant errors (e.g.
  • Page 55 R&S SMC100A Display A history of all messages that have occurred since instrument switch-on can be called with the History button. The most recent message is displayed first. Info line List of current messages with short message text. Detailed description for highlighted message Buttons The messages are color-coded according to their level.

  • Page 56: Block Diagram - Display

    R&S SMC100A Display Block Diagram - Display The block diagram shows provided options, signal configuration and the currently selected signal flow of the generator with inputs and outputs used. Signal generation can be completely operated from the block diagram. A highlighted function block can be directly switched on and off with the toggle keys .

  • Page 57: Menu Structure - Display

    R&S SMC100A Display Menu Structure - Display The parameters are set in the menus. Menus are called either via the function blocks in the diagram or by means of the setup menu key. The menus are displayed on top of the block diagram. If the menu buttons assign menu-specific functions to the softkeys, the Winbar is hidden.
  • Page 58 R&S SMC100A Display Units The unit of a parameter is displayed next to the value. When the parameter is edited, the unit is selected either from the list or by means of the front-panel keys. When the entry is completed, the unit can be changed.

  • Page 59: Setting Parameters

    R&S SMC100A Setting Parameters Setting Parameters The R&S SMC offers several and sometimes alternative possibilities for setting parameters. Operation is possible from the front panel, with the aid of a mouse and/or from a PC keyboard. Operation of the R&S SMC with the aid of these control media is shown in the tables below.

  • Page 60: Selecting A Control Element - Setting Parameters

    R&S SMC100A Setting Parameters Frequency/level field: The cursor is set on the previously active menu or, if no menu was active, on the first function block in the diagram. Function block in the diagram: The cursor is set on the first menu in the Winbar. If no menus are open, the current cursor position remains unchanged.

  • Page 61: Selecting And Exiting A Menu Area - Setting Parameters

    R&S SMC100A Setting Parameters Selecting and Exiting a Menu Area - Setting Parameters Some menus are organized in areas. The cursor can be moved either only within an area or between the higher-level menu areas. This applies to the File Select menus when files are saved or loaded.

  • Page 62: Entering A Value - Setting Parameters

    R&S SMC100A Setting Parameters Entering a Value - Setting Parameters Numeric and alphanumeric values can be edited in the entry fields. In the overwrite editing mode is used. Numeric values can either be newly entered or the existing value can be varied. Incorrect entries are cleared with the key.

  • Page 63: Selecting A Unit - Setting Parameters

    R&S SMC100A Setting Parameters Selecting a Unit - Setting Parameters The entry of a numeric value can be terminated by pressing a unit key on the front panel, selecting a unit in the selection field next to the value or by clicking the rotary knob (= Enter). The unit is assigned...

  • Page 64: Selecting A Value From A List - Setting Parameters

    R&S SMC100A Setting Parameters Selecting a Value from a List - Setting Parameters button next to the value field indicates that a selection list is available. • Clicking the rotary knob (= Enter) opens the list. Selection is made by choosing an entry (item is highlighted) and confirmation with ENTER.

  • Page 65: Restoring The Previous Value - Setting Parameters

    R&S SMC100A Setting Parameters Function Front panel PC keyboard Mouse Press Accept button. Select Accept button with Click Accept button. Confirms entries in the the arrow keys and press menus with the Accept Enter. button. If the instrument function is...

  • Page 66: Menu Operation

    R&S SMC100A Menu Operation Menu Operation Menus are operated with the aid of the Winbar buttons and with the keys on the CLOSE DIAGR front panel. • The key toggles between block diagram, magnified frequency and level indication and the DIAGR display of the active menu..

  • Page 67: Editors

    R&S SMC100A Editors Editors The R&S SMC provides user-friendly editors for defining lists. Lists containing frequency and level value pairs are used for the user-defined level correction. The lists are saved to files and may thus have any length. The file name of the lists and the directory to which the files are saved are user-selectable.

  • Page 68: Help System

    R&S SMC100A Help System Function Front panel PC keyboard Mouse Use the rotary knob or the Mark the GoTo button and Click cell. Select row. cursor keys to mark the press the Enter key. The cursor moves to the GoTo button, click the rotary Use the numeric keys to selected row.
  • Page 69 R&S SMC100A Help System The help function is provided with a navigation bar, i.e. other help pages can be called from the context- sensitive page via the table of contents, the index, arrows for scrolling and page-internal links. Operation of context-sensitive help...

  • Page 70: File Management

    R&S SMC100A File Management 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 for the user correction. The files are stored in the internal memory of the instrument or on a USB memeory stick. The /var directory can be used to save user-defined data;...

  • Page 71: File Select Menu

    R&S SMC100A File Management File Select Menu The File Select menu consists of several areas. In the upper area, Recent Data Sets, the files last used are listed; a maximum of ten files is displayed. The available drives and directories are displayed on the left side, the files of the selected directory on the right side.

  • Page 72: File Manager

    R&S SMC100A File Management File Manager The File Manager allows general file management such as copying, shifting, renaming and deleting files as well as generating new directories. The File Manager can be called up in any menu to which files can be saved. Call-up is either at the...

  • Page 73: Remote Access

    R&S SMC100A Remote Access • Delete file: Mark file and then press the button/softkey. Prior to deletion, a confirmation query is displayed Delete which the user must confirm for this file to be deleted. • Create new directory: Mark drive or directory level where the new directory is to be created and then press the Create New button/softkey.

  • Page 74: Legend Of Front-Panel Controls

    R&S SMC100A Legend of Front-Panel Controls Legend of Front-Panel Controls The following table lists all key functions available on the front panel. Key combinations used on the PC keyboard to trigger key functions on the instrument front panel are also described. Keyboard labels are described in alphabetical order.

  • Page 75: Front Panel Key Emulation

    R&S SMC100A Legend of Front-Panel Controls Front Panel Key Emulation The R&S SMC provides a front panel key emulation to enable execution of the front panel key functions by mouse e.g. for remote access. The emulation is called by a right mouse click. The front panel key functions are executed by a mouse click on the associated button.
  • Page 76 R&S SMC100A Contents - Instrument Functions Contents - Chapter 4 "Instrument Functions" Instrument Functions............... 4.5 General Instrument Settings................4.6 Overview of General Instrument Settings ........... 4.6 Default Instrument Settings - Preset Key ..........4.6 General Configuration of Instrument - Setup Key ....... 4.8 Internal Adjustments - Setup-System..........
  • Page 77 Contents - Instrument Functions R&S SMC100A RF Signal - RF....................4.39 Overview of RF Signal............... 4.39 RF Frequency..................4.40 Frequency - Menu ................4.41 RF Phase......................4.42 Phase - Menu ..................4.42 RF Reference Frequency - Reference Oscillator ........... 4.44 Reference Oscillator Menu..............

  • Page 78: Instrument Functions

    R&S SMC100A Instrument Functions Instrument Functions This chapter explains the functions of the signal generator and the options available in the setting menus. The associated IEC/IEEE-bus command is specified for each parameter (where applicable). The description begins with the general instrument settings which do not directly affect signal generation.

  • Page 79: General Instrument Settings

    General Instrument Settings R&S SMC100A General Instrument Settings Overview of General Instrument Settings The section "General Instrument Settings" describes the settings which do not directly affect signal generation. Most of these settings can only be accessed by means of menus which are opened using the front panel key.
  • Page 80 R&S SMC100A General Instrument Settings The list below the table shows the settings that are not affected by the key. PRESET Table 4-1 Preset state - important generator settings Setting Preset value RF frequency 1 GHz RF level RF output switched o...

  • Page 81: General Configuration Of Instrument - Setup Key

    General Instrument Settings R&S SMC100A General Configuration of Instrument - Setup Key key opens the Setup menu. The Setup menu is divided into several sections. SETUP • The System section is used to set general instrument parameters. • The Test section is used to perform function tests.

  • Page 82: Internal Adjustments - Setup-System

    R&S SMC100A General Instrument Settings Internal Adjustments - Setup-System The R&S SMC Signal Generator is extremely accurate thanks to the integrated procedures for adjustments. All internal adjustments for which no external measuring equipment is needed can be started in the Internal Adjustments...

  • Page 83: Hardware Config

    General Instrument Settings R&S SMC100A Hardware Config... - Setup-System In the Hardware Config… menu, the installed assemblies together with their variants and revision states can be displayed for servicing purposes. The Hardware Config menu under System is opened using the key.

  • Page 84: Gui Update

    R&S SMC100A General Instrument Settings Gui Update... - Setup-System In the Start/Stop Gui Update... menu the update of the displayed parameters can be switched off in order to increase speed for certain settings. Note: It is especially recommended to switch off the GUI update for optimum sweep performance with short dwell times and for fast settling times.
  • Page 85 Rohde & Schwarz SMC home page (http://www.rohde- schwarz.com/product/smc100a). This home page always offers the latest information on your signal generator, e.g. also on changes of the firmware update procedure. The tables in the sections Hardware and Software list the installed hardware and software options.

  • Page 86: Install Sw-Option

    R&S SMC100A General Instrument Settings Install SW-Option... - Setup-System Newly purchased software options are enabled in the Install SW-Options... menu.. They are ready to operate after they are enabled by means of a key code supplied with the option. Only if the R&S SMC Signal Generator is equipped with an older firmware version, a firmware update prior to enabling the software option may be required.

  • Page 87: Test Point

    General Instrument Settings R&S SMC100A Test Point... - Setup-Test The Test Point... menu provides access to the test points available in the instrument. Test Point is a protected procedure, which can be accessed if protection level 1 is disabled. The protection dialog is...

  • Page 88: Check Front Panel - Setup-Test

    R&S SMC100A General Instrument Settings Check Front Panel - Setup-Test The Check Front Panel menu.. is used to check whether the front panel keys are working correctly. The menu displays all the front panel keys arranged in the same way as on the front panel. The respective function is executed by pressing the associated key.

  • Page 89: Network Settings - Setup-Environment

    General Instrument Settings R&S SMC100A Network Settings - Setup-Environment The Network Settings... menu provides access to the network settings. It is opened using the SETUP key under Environment. The R&S SMC is equipped with a network interface and can be connected to an Ethernet LAN (local area network).
  • Page 90 R&S SMC100A General Instrument Settings The indications of the menu are only updated after pressing the Get System Settings button. Retrieves the current system settings of the instrument. Get System Settings The indications in the network menu are only updated after pressing this button.
  • Page 91 General Instrument Settings R&S SMC100A Mode Selects if the IP address is assigned automatically or manually or if a Peer to Peer connection is used. The selection is only accepted after the Accept button is pressed. Auto (DHCP) The IP address is assigned automatically.
  • Page 92 R&S SMC100A General Instrument Settings DNS Server Address Selects if the DNS server address is assigned automatically or manually. Mode The selection is only accepted after the Accept button is pressed. Auto (DHCP) The DNS server address is assigned automatically.

  • Page 93: Display Settings - Setup-Environment

    General Instrument Settings R&S SMC100A Display Settings - Setup-Environment The Display Settings... menu provides access to the settings for the display. It is opened using the key under Environment. SETUP Screen Saver Activates/deactivates the screen saver of the instrument display. If...

  • Page 94: Protection - Setup-Protection

    R&S SMC100A General Instrument Settings Visa Resource String Indicates the visa resource string. This string is used for remote control of the instrument. A separate string is provided for remote control via the LAN and the USB interface Remote-control commands:...

  • Page 95: Security - Setup-Protection

    General Instrument Settings R&S SMC100A Security - Setup-Protection The Security... menu provides access to the passwords and mass storage security settings. It is opened using the key under Environment. SETUP The menu is divided into the password sections and the security settings section. In the password section the passwords for securing a controlled access to the instrument are defined and changed.
  • Page 96 R&S SMC100A General Instrument Settings New Password - VNC Enters the new password. The VNC password is required for remote access to the instrument via Ultr@VNC (see chapter 1). The default password is "instrument". Remote-control commands: n.a. Confirm New Enters the new password for conformation.

  • Page 97: Save Recall - Setup-Setting

    General Instrument Settings R&S SMC100A Save Recall - Setup-Setting The Signal Generator allows complete instrument settings to be stored in files either on the internal flash memory or on external USB memory devices. Defined and complex instrument settings can then be reproduced at any time by loading this data.

  • Page 98: Recall Menu - Setup Settings

    R&S SMC100A General Instrument Settings Recall Menu - Setup Settings The settings available in the File menu depend on the operation selected under Select Operation. Select Operation Selects the file function. Save… Calls the menu for storing the current instrument setting.
  • Page 99 General Instrument Settings R&S SMC100A Directory - File Selects the directory in which the file is to be stored. The window opposite lists all settings files in this directory. A new directory can be created in the File Manager (File Manager…...

  • Page 100: Loading Instrument Settings - Setup Settings

    R&S SMC100A General Instrument Settings Loading Instrument Settings - Setup Settings If Recall is selected under Select Operation, the File menu provides options for loading complete instrument settings. Here it is possible to select whether the current or stored RF frequency and RF level settings are to be used.
  • Page 101 General Instrument Settings R&S SMC100A Recall - File Loads the selected configuration. If an instrument setting in which a sweep was activated is stored, the sweep is started when the recall command is called. If an instrument setting which accesses lists is stored, this list is also loaded.

  • Page 102: File Management - File

    R&S SMC100A General Instrument Settings File Management - File The File Management menu 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 memory flash and memory stick).

  • Page 103: Factory Preset - Setup-Setting

    General Instrument Settings R&S SMC100A Paste Pastes the file that has been copied or cut before. Remote-control command: n.a. Rename Renames the selected file or directory. The new name can be entered in the New Filename window. Remote-control command: MMEM:MOVE "test02.dm_iqd","set2.dm_iqd"...

  • Page 104: Switching To Manual Control - Local Key

    R&S SMC100A Switching to Manual Control - Local Key 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 105: Help System - Help Key

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

  • Page 106: Storing And Loading Instrument Data

    R&S SMC100A Storing and Loading Instrument Data Storing and Loading Instrument Data The Signal Generator allows complete instrument settings to be stored on the internal flash memory or an external USB device. Defined and complex instrument settings can then be reproduced at any time by loading this data.

  • Page 107: File Menu

    Storing and Loading Instrument Data R&S SMC100A File Menu The settings available in the File menu depend on the operation selected under Select Operation. Select Operation Selects the file function. Save… Calls the menu for storing the current instrument setting.
  • Page 108 R&S SMC100A Storing and Loading Instrument Data Directory - File Selects the directory in which the file is to be stored. The window opposite lists all settings files in this directory. A new directory can be created in the File Manager (File Manager…...

  • Page 109: Loading Instrument Settings - File

    Storing and Loading Instrument Data R&S SMC100A Loading Instrument Settings - File If Recall is selected under Select Operation, the File menu provides options for loading complete instrument settings. Here it is possible to select whether the current or stored RF frequency and RF level settings are to be used.

  • Page 110: File Management - File

    R&S SMC100A Storing and Loading Instrument Data Recall - File Loads the selected configuration. If an instrument setting in which a sweep was activated is stored, the sweep is started when the recall command is called. If an instrument setting which accesses lists is stored, this list is also loaded.
  • Page 111 Storing and Loading Instrument Data R&S SMC100A Directory Selects the directory in which the file to be deleted or copied is located. The window to the right lists all files in this directory. The file to be deleted or copied can be highlighted. The path is indicated above the directory window.

  • Page 112: Rf Signal - Rf

    R&S SMC100A RF Signal - RF RF Signal - RF Overview of RF Signal Settings for the RF output signal are made under "RF Signal". These settings can be accessed in the block diagram by way of the RF function block, or by means of the menu with the same name which is opened using the key.

  • Page 113: Rf Frequency

    RF Signal - RF R&S SMC100A Automatic level control 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 assembly setup.

  • Page 114: Frequency - Menu

    R&S SMC100A RF Signal - RF Frequency - Menu The Frequency menu is opened in the RF function block or using the key under RF. SETUP Frequency and offset of the RF output signal is set in the upper part of the group menu. The step width which is used when setting the frequency using the rotary knob (with Variation Active On) is set in the User Variation section.

  • Page 115: Rf Phase

    RF Phase R&S SMC100A If the frequency is set using the rotary knob, the step width is defined in the User Variation section. Sets the user-defined step width. This step width is used when Variation Step - RF entering the RF frequency using the rotary knob. Frequency variation Signal with this step width must also be activated with Variation Active.
  • Page 116 R&S SMC100A RF Phase The phase of the output signal can be changed in the Phase Settings section (upper part of the group menu). The upper parts concern the frequency settings for the output signal and are described in the section "RF...

  • Page 117: Rf Reference Frequency - Reference Oscillator

    RF Reference Frequency - Reference Oscillator R&S SMC100A RF Reference Frequency - Reference Oscillator In the internal reference mode the internal reference signal is available at the REF OUT connector (rear of instrument). The frequency of the internal reference signal is fixed to 10 MHz.
  • Page 118 R&S SMC100A RF Reference Frequency - Reference Oscillator Source - Reference Selects the source of the reference frequency. Oscillator Internal The internal reference signal of 10 MHz is used. Remote-control command: SOUR:ROSC:SOUR INT External An external reference signal is used. The frequency of the external reference signal must be selected under External Reference Frequency.

  • Page 119: Power Viewer

    Power Viewer R&S SMC100A Power Viewer R&S NRP power sensors can be connected via the USB interfaces (front and rear panel, requires USB adapter R&S NRP-Z3 or R&S NRP-Z4). The connected R&S NRP power sensor is automatically detected and indicated in the NRP-Z Power Viewer menu.
  • Page 120 R&S SMC100A Power Viewer The menu shows the power sensor type, the measurement value and allows to configure the measurement. Sensor - Power Indicates the USB connector used for the detected sensors. Sensors Remote-control command: SENS:STAT? Response. 0 (no power sensor is connected) Response.
  • Page 121 Power Viewer R&S SMC100A State - Power Sensors Activates/deactivates level measurement by the power sensor. Remote-control command: INIT:POW:CONT OFF|ON The local state is set with the INIT command. Switching the local state off enhances the measurement performance. In remote control, the sensors are set up using the SENSe commands.
  • Page 122 R&S SMC100A Power Viewer Zero - Power Sensors Activates the auto zero function. Zeroing calibrates the external power sensor by adjusting its reading at zero signal power. For this purpose, the RF power source must be switched off or disconnected from the sensor (see tips below). R&S power sensors automatically detect the presence of any significant input power.
  • Page 123 Power Viewer R&S SMC100A Frequency - Power Source User only Sensors Enters the frequency for measurement source User. Remote-control command: SENS:POW:FREQ 2.5MHz Activates and defines a level offset which is added to the measured Level Offset - Power value. This allows e.g. an attenuator in the signal path to be taken into Sensors account.
  • Page 124 R&S SMC100A Power Viewer Auto The filter length is automatically selected and adapted to the currently measured value. With very high signals the filter length and therefore the measurement time can be short. With very low signal levels the filter length and therefore the measurement time is increased in order to reduce noise.

  • Page 125: Rf Level

    RF Level R&S SMC100A RF Level Note: The message Level overrange/underrange appears in the info line if the set level (Level) is in the overrange or underrange (see data sheet). The correct level setting cannot be guaranteed for the entire frequency range if the set level is in the overrange/underrange.

  • Page 126: Level - Menu

    R&S SMC100A RF Level Level - Menu The Level menu is opened in the RF function block or using the key under RF. SETUP The offset-free level, level offset and level limit are set in the top section of the menu. The attenuator mode is set in the Attenuator Settings section .The step width which is used when setting the level...
  • Page 127 RF Level R&S SMC100A Limit - RF Level Sets the level limit. 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 128: Overvoltage Protection

    R&S SMC100A RF Level Attenuator Fixed Displays the level range in which the level is set without interruption for the “Attenuator Mode fixed" setting. Range In – RF Level Remote-control commands: OUTP:AFIX:RANG:UPP? OUTP:AFIX:RANG:LOW? If the level is set using the rotary knob, the step width is defined in the User Variation section.

  • Page 129: Rf Emf

    RF EMF R&S SMC100A RF EMF The power-on behavior of the R&S SMC Signal Generator and the level display in the display header are set in the RF EMF menu. EMF - Menu The EMF menu is opened in the RF function block or using the key under RF.

  • Page 130: Automatic Level Control - Alc

    R&S SMC100A Automatic Level Control - ALC Automatic Level Control - ALC Automatic level control (Automatic Level Control) can be used with almost all applications, except for pulse modulation. The level control status is permanently displayed as a status message in the info line.
  • Page 131 Automatic Level Control - ALC R&S SMC100A The lower sections provide access to the function User Correction, see section "User Correction", page 4.59. State - ALC Activates/deactivates internal level control. Internal level control is deactivated. Sample&Hold Remote-control command: SOUR:POW:ALC OFF...

  • Page 132: User Correction

    R&S SMC100A User Correction User Correction The "User Correction" function is used to create and activate lists in which level correction values predefined by the user are freely assigned to RF frequencies. Correction is performed by the user- defined table values being added to the output level for the respective RF frequency.
  • Page 133 User Correction R&S SMC100A The combined menu ALC / UCOR menu provides access to function User Correction in the User Correction Settings section. The menu is used to activate/deactivate user correction, and to create, select and activate the correction data lists.
  • Page 134 R&S SMC100A User Correction Calls the editor for editing the selected user correction list. A list Edit/New User consists of any number of frequency/level value pairs. The currently Correction Data - User selected list is displayed. Correction Each list is saved to the R&S SMC Signal Generator as a separate file with the file prefix *.uco.
  • Page 135 User Correction R&S SMC100A Edit Calls a selection of possible actions described below. Insert Row Inserts a new row before the marked row. Remote-control command: n.a. Insert Range Inserts new rows before the marked row. The number of rows to be inserted can be defined in an entry window.
  • Page 136 R&S SMC100A User Correction Save The list is saved under its current name. Important: Save a list only after filling both columns (frequency and level), otherwise the entries are lost. Remote-control command: n.a. (the list is automatically saved after the values have...
  • Page 137 User Correction R&S SMC100A Mode - User Selects if user correction lists should be imported or exported. The settings offered depend on the selected mode. Correction Remote-control command: SOUR:CORR:DEXC:MODE IMP Selects the file extension of the ASCII file to be imported or exported.

  • Page 138: Filling The Correction List With Power Sensor Measurement Data

    R&S SMC100A User Correction Filling the Correction List with Power Sensor Measurement Data The level correction values for the user correction list can be acquired by means of R&S NRP power sensors. The NRP sensor isconnected to one of the USB interfaces. Configuration of the connection is performed in the Power Sensor menu (see "Power...

  • Page 139: Sweep Mode

    Sweep Mode R&S SMC100A Sweep Mode The R&S SMC Signal Generator offers three different sweep types (frequency sweep, level sweep and LF sweep) to be activated alternatively. Each type has 6 modes which differ with respect to the sweep cycle mode (continuous, individual and step-by-step) and triggering mode (automatic, internal and external).

  • Page 140: Frequency Sweep Menu

    R&S SMC100A Sweep Mode Frequency Sweep Menu The Frequency Sweep menu is opened in the RF function block or in the menu tree of the SETUP under RF Signal. In the top section of the menu, the RF sweep mode is activated and the sweep mode is selected.
  • Page 141 Sweep Mode R&S SMC100A State – RF Frequency Activates/deactivates RF sweep mode. Sweep Note: Activating the RF frequency sweep automatically deactivates the LF sweep and Level sweep. Remote-control commands: SOUR:FREQ:MODE SWE SOUR:FREQ:MODE CW Mode – RF Frequency Selects the Sweep instrument operating mode and the Sweep mode.
  • Page 142 R&S SMC100A Sweep Mode Step Sets a step-by-step sweep cycle. If this mode is activated, the cursor moves to the value displayed for Current Freq. Any variation to the Current Freq value triggers a sweep step. The step width is set below at entry field Step Lin or Step Log.
  • Page 143 Sweep Mode R&S SMC100A 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 Single). The step width is set below at entry field Step Lin or Step Log.
  • Page 144 R&S SMC100A Sweep Mode The sweep range, sweep spacing and dwell time are set in the bottom section. (Mode Single only) Execute Single Sweep Triggers the sweep manually. A manual sweep can only be triggered if – RF Frequency Mode Single is selected.
  • Page 145 Sweep Mode R&S SMC100A Selects the cycle mode for a sweep sequence (shape). Shape - RF Frequency Sweep sawtooth shape stop frequency start frequency triangle shape stop frequency start frequency Sawtooth One sweep runs from start to stop frequency. Each subsequent sweep starts at the start frequency, i.e.
  • Page 146 R&S SMC100A Sweep Mode Dwell Time - RF Sets the dwell time. The dwell time determines the duration of the individual sweep steps Frequency Sweep Note: It is recommended to switch off the GUI update for optimum sweep performance especially with short dwell times.

  • Page 147: Level Sweep Menu

    Sweep Mode R&S SMC100A Level Sweep Menu The Level Sweep menu is opened in the RF function block or using the key under RF. SETUP In the top section of the menu, the Level Sweep mode is activated and the level range and the sweep mode are selected.
  • Page 148 R&S SMC100A Sweep Mode Selects the Level Sweep instrument operating mode and the Sweep Mode - RF Level mode. Sweep 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.
  • Page 149 Sweep Mode R&S SMC100A 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 150 R&S SMC100A Sweep Mode Extern Sets an automatically repeated sweep cycle that is Start/Stop started, stopped and 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 level (Stop).
  • Page 151 Sweep Mode R&S SMC100A The sweep range, sweep spacing and dwell time are set in the bottom section. Sets the start level. Start Level - RF Level Sweep Remote-control command: SOUR:POW:STAR -100 Stop Level – RF Level Sets the stop level.
  • Page 152 R&S SMC100A Sweep Mode Step - RF Level Sweep Sets the step width for the individual sweep steps. This entry is effective for all sweep modes. With the level sweep, the logarithmic step width is a constant fraction of the current level. This fraction is added to the current level. The logarithmic step width is entered in dB.

  • Page 153: Modulations

    Modulations R&S SMC100A Modulations The R&S SMC Signal Generator provides amplitude modulation (AM), frequency modulation (FM), phase modulation (PM) and pulse modulation. In addition, the RF signal can be modulated with internal modulations waveforms. The modulations are available for the basic unit (R&S SMC + frequency option R&S SMC-B10x) without additional equipment options.

  • Page 154: Simultaneous Operation Of Several Modulations Or Other Operating Modes

    R&S SMC100A Amplitude Modulation - AM Simultaneous Operation of Several Modulations or Other Operating Modes The table shows the modulations and operating modes which can be activated simultaneously (+) or which deactivate each other (-). PhiM Pulse Amplitude modulation (AM)
  • Page 155 Amplitude Modulation - AM R&S SMC100A State - AM Activates/deactivates AM modulation. Remote-control command: SOUR:AM:STAT ON AM Source - AM Selects the source for the AM signal. Selects the internal modulation source for AM modulation. Remote-control command: SOUR:AM:SOUR INT Selects the external source. The external signal is input via the MOD EXT connector.

  • Page 156: Frequency Modulation - Fm

    R&S SMC100A Frequency Modulation - FM In case of selection Source Int, the settings for the internal modulation sources are offered in the AM Source = INTernal section of the Amplitude Modulation menu. These settings affect all analog modulations which use the same modulation sources.
  • Page 157 Frequency Modulation - FM R&S SMC100A State - FM Activates/deactivates FM modulation. Activation of FM deactivates phase modulation. Remote-control command: SOUR:FM:STAT ON Selects the source for the FM signal. FM Source - FM Selects the internal source for FM modulation.
  • Page 158 R&S SMC100A Frequency Modulation - FM FM Sensitivity (Source External only) Displays the input sensitivity of the MOD EXT input in Hz/V. The display only appears in the case of external modulation. The modulation depth entered under FM Depth is reached with 1 Volt modulation of the input.

  • Page 159: Phase Modulation - Phim

    Phase Modulation - PhiM R&S SMC100A Phase Modulation - PhiM An internal or external source can be selected for phase modulation. A LF modulation generator is available as internal sources. The MOD EXT input connector for external feed of analog modulation signals is at the front of the instrument.
  • Page 160 R&S SMC100A Phase Modulation - PhiM PhiM Deviation Sets the modulation deviation in RAD. The maximal deviation depends on the RF frequency set and the selected modulation mode (see data sheet). It is possible to enter a deviation that is too high for a certain RF frequency or to vary the RF frequency to a range in which the deviation can no longer be set.

  • Page 161: Pulse Modulation

    Pulse Modulation R&S SMC100A Pulse Modulation An internal or external source can be selected for pulse modulation. A pulse generator is available as internal sources. In case of external source, the external signal is input via the PULSE EXT connector at the rear of the instrument.
  • Page 162 R&S SMC100A Pulse Modulation Source - Pulse Selects the source for the pulse modulation signal. Modulation Pulse Selects the internal pulse generator. Generator The internally generated rectangular signal is used for the pulse modulation. Remote-control command: SOUR:PULM:SOUR INT External Selects the external source. The external modulation signal is input via the PULSE EXT connector.
  • Page 163 Pulse Modulation R&S SMC100A (Source Pulse Generator only) Pulse Mode - Pulse Generator Selects and activates the pulse mode. Single A single pulse is generated in one pulse period. Remote-control command: SOUR:PULM:MODE SING Double Two pulses are generated in one pulse period.
  • Page 164 R&S SMC100A Pulse Modulation Selects the trigger mode for pulse modulation. Trigger Mode - Pulse Generator Auto The pulse generator signal is generated continuously. Remote-control command: SOUR:PULM:TRIG:MODE AUTO Ext Triggered The pulse generator signal is triggered by an external trigger event. The trigger signal is supplied via the PULSE EXT connector.

  • Page 165: Lf Generator And Lf Output - Mod Gen Block

    LF Generator and LF Output - Mod Gen Block R&S SMC100A LF Generator and LF Output - Mod Gen Block An LF generator providing sinusoidal signals in the frequency range 0.1 Hz to 1 MHz is available for the basic unit without additional equipment options.
  • Page 166 R&S SMC100A LF Generator and LF Output - Mod Gen Block The sweep range, sweep spacing and dwell time are set in the bottom section. State - LF Sweep Activates LF Sweep mode. Note: Activating the LF sweep automatically deactivates the RF frequency sweep and level sweep.
  • Page 167 LF Generator and LF Output - Mod Gen Block R&S SMC100A Step Sets a step-by-step sweep cycle. Each sweep step is triggered by a variation of the value in the Current Freq entry window. If this mode is activated, the cursor moves to the value displayed for Current Freq.
  • Page 168 R&S SMC100A LF Generator and LF Output - Mod Gen Block Extern Step Sets a step-by-step sweep cycle. Each sweep step is triggered by an external trigger signal (trigger source as described under Extern Single). The step width is set below at entry field Step Lin or Step Log.
  • Page 169 LF Generator and LF Output - Mod Gen Block R&S SMC100A Triggers the sweep manually. A manual sweep can only be triggered if Execute Single Sweep Mode Single is selected. - LF Sweep Remote-control commands SOUR:LFO:SWE:FREQ:MODE AUTO TRIG0:SWE:SOUR SING SOUR:LFO:FREQ:MODE SWE...
  • Page 170 R&S SMC100A LF Generator and LF Output - Mod Gen Block Selects the cycle mode for a sweep sequence (shape). Shape - LF Sweep sawtooth shape stop frequency start frequency triangle shape stop frequency start frequency Sawtooth One sweep runs from start to stop frequency. Each subsequent sweep starts at the start frequency, i.e.

  • Page 171: Lf Output Menu

    LF Generator and LF Output - Mod Gen Block R&S SMC100A Dwell Time - LF Sweep Sets the dwell time. The dwell time determines the duration of the individual sweep steps. Note: It is recommended to switch off the GUI update for optimum sweep performance especially with short dwell times.

  • Page 172: Pulse Generator Menu

    R&S SMC100A Pulse Generator Menu State - LF Output Activates/deactivates the LF Output. The modulation signal is output at the LF output connector at the front of the instruments. Remote-control command: SOUR:LFO:STAT ON Output Voltage - LF Sets the output voltage of the LF output. The entered value determines the peak voltage.
  • Page 173 R&S SMC100A Contents - Remote Control Basics Contents - Chapter 5 "Remote Control Basics" Remote Control - Basics............5.1 Introduction - Remote Control Basics............... 5.1 Getting Started ....................5.2 Switchover to Remote Control................5.2 Remote Control via IEC/IEEE Bus ............5.3 Remote Control via LAN Interface............

  • Page 174: Remote Control - Basics

    "predictability" of the device status. Therefore, control programs should always define an initial device status (e.g. with the command *RST) and then implement the required settings. Drivers for the generator, e.g. IVI-COM and LabVIEW drivers, are available in the download area of the R&S product website (http://www.rohde-schwarz.com/product/SMC100A) 1411.4060.32...

  • Page 175: Getting Started

    R&S SMC100A Getting Started Getting Started The short and simple operating sequence given below permits fast putting into operation of the instrument and setting of its basic functions. As a prerequisite, the IEC/IEEE-bus address, which is factory-set to 28, must not have been changed.

  • Page 176: Remote Control Via Iec/Ieee Bus

    R&S SMC100A Switchover to Remote Control Remote Control via IEC/IEEE Bus To be able to control the instrument via the IEC/IEEE bus, instrument and controller must be linked by an IEC/IEEE-bus cable. An IEC/IEEE-bus card, the card drivers and the program libraries for the programming language used must be provided in the controller.

  • Page 177: Remote Control Via Lan Interface

    R&S SMC100A Switchover to Remote Control Remote Control via LAN Interface For remote control via a network, the PC and the instrument must be connected via the LAN interface to a common network with TCP/IP network protocol. Connection of the Signal Generator to a network and the querying of a computer name is described in section "Connection to the...
  • Page 178 R&S SMC100A Switchover to Remote Control Setting up Control of the Signal Generator in the 'Measurement & Automation Control' Program. Start program on the controller Open the Create new menu with the right mouse key. Select TCP/IP Resource and open the next page of the Create new menu with the right mouse key.
  • Page 179 R&S SMC100A Switchover to Remote Control Press the Test button A message indicates whether the link to the Signal Generator can be set up or not. If a connection cannot be set up, check whether the controller and the instrument are connected to the network (network cable) and switched on.
  • Page 180 R&S SMC100A Switchover to Remote Control Press Next and then the Finish button. The instrument is now registered in the program and can be addressed via the resource or alias name. Starting the Measurement & Automation program for remote control of the Signal Generator Start program on the controller In the Configuration window, open Instruments and Interfaces and select R&S SM (= Alias)
  • Page 181 R&S SMC100A Switchover to Remote Control On the viWrite tab under Basic I/O, commands can be sent to the instrument; instrument responses are displayed on the viRead tab (for further program operation refer to the online help of the program).

  • Page 182: Remote Control Via Usb Interface

    R&S SMC100A Interface and Device Messages Remote Control via USB Interface The PC and the instrument must be connected via the USB type B interface. 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 183: Device Messages (Commands And Device Responses)

    R&S SMC100A Interface and Device Messages Device Messages (Commands and Device Responses) Device messages are transferred on the data lines of the IEC/IEEE-bus, the "ATN" control line not being active. ASCII character set is used. If an Ethernet connection is present, signalling via a hardware control line is not required.

  • Page 184: Scpi Command Structure And Syntax

    R&S SMC100A SCPI Command Structure and Syntax SCPI Command Structure and Syntax The commands consist of a so-called header and, in most cases, one or more parameters. The header and parameter are separated by a "white space" (ASCII code 0 to 9, 11 to 32 decimal, e.g. blank). The headers may consist of several key words.
  • Page 185 R&S SMC100A SCPI Command Structure and Syntax Multiple key words Some key words occur on several levels within one command system. Their effect depends on the structure of the command, i. e. on the position in the command header they are inserted in.

  • Page 186: Structure Of A Command Line

    R&S SMC100A SCPI Command Structure and Syntax Structure of a Command Line A command line may consist of one or several commands. It is terminated by an EOI together with the last data byte. Several commands in a command line must be separated by a semicolon ";". If the next command belongs to a different command system, the semicolon is followed by a colon.

  • Page 187: Responses To Queries

    R&S SMC100A SCPI Command Structure and Syntax 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 188: Parameters

    R&S SMC100A SCPI Command Structure and Syntax Parameters Most commands require a parameter to be specified. The parameters must be separated from the header by a "white space". Permissible parameters are numerical values, Boolean parameters, text, character strings and block data. The type of parameter required for the respective command and the permissible range of values are specified in the command description.
  • Page 189 R&S SMC100A SCPI Command Structure and Syntax Boolean Parameters Boolean parameters represent two states. The on state (logically true) is represented by ON or a numerical value unequal to 0. The off state (logically untrue) is represented by off or the numerical value 0. On or off is returned by a query.

  • Page 190: Overview Of Syntax Elements

    R&S SMC100A SCPI Command Structure and Syntax Overview of Syntax Elements The following survey offers an overview of the syntax elements. The colon separates the key words of a command. In a command line the separating semicolon marks the uppermost command level.

  • Page 191: Instrument Model And Command Processing

    R&S SMC100A Instrument Model and Command Processing Instrument Model and Command Processing The block diagram in the figure below shows how SCPI commands are serviced in the instrument. The individual components work independently and simultaneously. They communicate with each other by means of so-called "messages".

  • Page 192: Command Recognition

    R&S SMC100A Instrument Model and Command Processing Command Recognition The command recognition analyses the data received from the input unit. It proceeds in the order in which it receives the data. Only a DCL is serviced with priority, a GET (Group Execute Trigger), e.g., is only executed after the commands received before.

  • Page 193: Status Reporting System

    R&S SMC100A Instrument Model and Command Processing 2. Each command in a separate program message: :SOUR:FM:STAT ON :SOUR:FM:DEV 1MHz :SOUR:FREQ 100MHz The command for setting the FM deviation is rejected and an execution error is generated. At the time when this command is processed, the previous setting of the RF frequency (60 MHz) is still valid, i.e.

  • Page 194: Command Sequence And Command Synchronization

    R&S SMC100A Instrument Model and Command Processing Command Sequence and Command Synchronization IEEE 488.2 defines a distinction between overlapped and sequential commands: • An overlapped command is one which does not automatically finish executing before the next command starts executing. Overlapped commands allow the program to do other tasks while being executed.
  • Page 195 R&S SMC100A Instrument Model and Command Processing Command Synchronization In order to prevent an overlapped execution of commands, one of commands *OPC, *OPC? or *WAI can be used. All three commands cause a certain action only to be carried out after the hardware has been set and has settled.

  • Page 196: Status Reporting System

    R&S SMC100A Status Reporting System Event Status Register (ESE) 1. Set the OPC mask bit (bit no. 0) in the ESE: *ESE 1 2. Send the overlapped command without *OPC, *OPC? or *WAI 3. Poll the operation complete state periodically (by means of a timer) using the sequence: *OPC;...

  • Page 197: Overview Of The Status Register

    R&S SMC100A Status Reporting System Overview of the Status Register The following figure shows the status registers used in the Signal Generator. Power on -&- User Request -&- Command Error -&- Execution Error -&- Device Dependent Error -&- Query Error -&-...

  • Page 198: Status Byte (Stb) And Service Request Enable Register (Sre)

    R&S SMC100A Status Reporting System Status Byte (STB) and Service Request Enable Register (SRE) The STB is already defined in IEEE 488.2. It provides a rough overview of the instrument status by collecting the pieces of information of the lower registers A special feature is that bit 6 acts as the sum bit of the remaining bits of the status byte.

  • Page 199: Event Status Register (Esr) And Event Status Enable Register (Ese)

    R&S SMC100A Status Reporting System Event Status Register (ESR) and Event Status Enable Register (ESE) The ESR is defined in IEEE 488.2.The event status register can be read out using command "*ESR?". The ESE is the associated ENABle part. It can be set using the command "*ESE" and read using the command "*ESE?".

  • Page 200: Application Of The Status Reporting System

    R&S SMC100A Status Reporting System Application of the Status Reporting System In order to effectively use the status reporting system, the information contained there must be transmitted to the controller and further processed. There are several methods, which are outlined in the following.

  • Page 201: Reset Values Of The Status Reporting Systems

    R&S SMC100A Status Reporting System Query by Means of Commands Each part of any status register can be read by means of queries. The individual commands are listed in the description of the STATus Subsystem. The returned value is always a number that represents the bit pattern of the register queried.
  • Page 202 R&S SMC100A Contents - Remote Control Commands Contents - Chapter 6 "Remote Control Commands" Remote Control - Commands..........6.1 Command Description ..................6.1 Notation ....................6.1 Common Commands ................6.4 CALibration Subsystem ............... 6.7 DIAGnostic Subsystem ............... 6.9 DISPlay Subsystem................6.11 FORMat Subsystem ................

  • Page 203: Remote Control - Commands

    R&S SMC100A Command Description Remote Control - Commands In the following, all remote control commands for the R&S SMC will be presented in detail with their parameters and the ranges of numerical values. An introduction to remote control and the status registers of the R&S SMC is given in chapter 5, "Remote Control -...
  • Page 204 Command Description R&S SMC100A Upper/lower case notation Upper/lower case letters are used to mark the long or short form of the key words of a command in the description (see Chapter 5). The instrument itself does not distinguish between upper and lower case letters.
  • Page 205 R&S SMC100A Command Description <numeric_value> <num> These keywords mark parameters which may be entered as numeric values or be set using specific keywords (character data). The following keywords given below are permitted: MINimum This keyword sets the parameter to the smallest possible value.

  • Page 206: Common Commands

    Command Description R&S SMC100A Common Commands The common commands are taken from the standard IEEE 488.2 (IEC 625.2). Identical commands have an identical effect in different instruments. The headers of these commands consist of an asterisk "*" followed by three letters. Many common commands affect the status reporting system, which is described in detail in Chapter 5, "Remote Control -...
  • Page 207 R&S SMC100A Command Description *IDN? IDENTIFICATION QUERY queries the instrument identification. The instrument type, serial number and firmware version are returned. Example: Rohde&Schwarz,SMC100A,1411.4002k02/100070,2.02.136 (Release) *IST? INDIVIDUAL STATUS QUERY returns the content of the IST flag in decimal form (0 | 1). The IST flag is the status bit which is sent during a parallel poll.
  • Page 208 Command Description R&S SMC100A *RST RESET resets the instrument to a defined default state. The command has the same effect as pressing the key. The default setting is given in the description of the commands. PRESET Functions that concern mainly the integration of the instrument into a measurement setup or are...

  • Page 209: Calibration Subsystem

    R&S SMC100A Command Description CALibration Subsystem The CALibration system contains the commands for adjustment. Adjustment is triggered by the query commands. The response "0" indicates error-free adjustment, and the response "1" means that an error occurred during adjustment. Command Parameters...
  • Page 210 Command Description R&S SMC100A CALibration:FMOffset[:MEASure]? The command starts all adjustment for the FM/PhiM modulator. The command is a query command and therefore has no *RST value. Example: CAL:FMOF? 'starts the adjustments for the FM/PhiM modulator. Response: 0 'the adjustments have been performed successfully.

  • Page 211: Diagnostic Subsystem

    R&S SMC100A Command Description DIAGnostic Subsystem The DIAGnostic system contains the commands used for instrument diagnosis and servicing. SCPI does not define any DIAGnostic commands; the commands listed here are all Device-specific. All DIAGnostic commands are query commands which are not influenced by *RST.
  • Page 212 Command Description R&S SMC100A DIAGnostic:BGINfo:CATalog? The command queries the names of the assemblies available in the instrument. A complete list of all assemblies is returned (the various entries are separated by commas). The length of the list is variable and depends on the instrument equipment configuration.

  • Page 213: Display Subsystem

    R&S SMC100A Command Description DIAGnostic[:MEASure]:POINt? The command triggers voltage measurement at the specified test point and returns the measured voltage. A description of the test points can be found in chapter 3 , section "Trouble Shooting" of the Service Manual (on CD-ROM, supplied with the instrument).

  • Page 214: Format Subsystem

    Command Description R&S SMC100A FORMat Subsystem The FORMat subsystem contains the commands which determine the format of the data that the R&S Signal Generator returns to the controller. This affects all query commands which return a list of numerical data or block data. Reference is made to this in the descriptions of the commands.

  • Page 215: Mmemory Subsystem

    R&S SMC100A Command Description FORMat:SREGister ASCii | BINary | HEXadecimal | OCTal The command determines the numerical format which is returned when the status registers are queried. Parameters: ASCii 'the register content is returned as a decimal number. BINary 'the register content is returned as a binary number. #B is placed in front of the number.
  • Page 216 Command Description R&S SMC100A The two characters "*" and "?" function as "wildcards", i.e. they are used for selecting several files. The "?" character represents exactly one character, while the "*" character represents all characters up to the end of the file name. "*.*" therefore stands for all the files in a directory.
  • Page 217 R&S SMC100A Command Description MMEMory:LOAD:STATe <number>,<file_name> No query MMEMory:MDIRectory <directory_name> No query MMEMory:MOVE <file_name>,<file_name> No query MMEMory:MSIS <msus> MMEMory:RDIRectory <directory_name> MMEMory:STORe:STATe <number>,<file_name> MMEMory:CATalog? <path> This command reads out the subdirectories and files in the specified directory. If no directory is specified, the default directory selected with the MMEM:CDIR command is read out.
  • Page 218 Command Description R&S SMC100A *RST value Resolution Options SCPI Device-specific MMEMory:CDIRectory <directory_name> This command changes the default directory. This directory is used for all subsequent MMEM commands if no path is specified with them. It is also possible to change to a higher directory using two dots '..' .
  • Page 219 R&S SMC100A Command Description MMEMory:DATA <file_name>[,<binary block data>] MMEMory:DATA? <file_name> This command writes the block data <binary block data> to the file identified by <file_name>. The IEC/IEEE-bus terminator should be set to EOI in order to ensure correct data transfer.
  • Page 220 Command Description R&S SMC100A MMEMory:DELete <file_name> This command deletes the specified file. The command triggers an event and therefore has no query form and no *RST value. Example: MMEM:DEL 'var/rs_gen/TEST1.SAVRCL' 'deletes the file 'Test1.savrcl' in the USER directory on the internal flash memory.
  • Page 221 R&S SMC100A Command Description MMEMory:MOVE <file_source>,<file_destination> This command renames an existing file if no path is specified for <file_destination>. Otherwise the file is moved to the specified path and stored under the original file name or, if specified, a new file name.

  • Page 222: Output Subsystem

    Command Description R&S SMC100A OUTPut Subsystem The OUTPut system contains the commands which set the properties of the RF output connector. The properties of the LF output connector are set in the SOURce:LFOutput system, see section "SOURce:LFOutput Subsystem". Command Parameters...
  • Page 223 R&S SMC100A Command Description OUTPut:AFIXed:RANGe:LOWer? The command queries the minimum level which can be set without the attenuator being adjusted (Attenuator FIXed). The command is a query and therefore has no *RST value. Example: OUTP:AFIX:RANG:LOW? 'queries the minimum level for the FIXed setting'.
  • Page 224 Command Description R&S SMC100A OUTPut - Blank RF Output OUTPut:BLANk:LIST:STATe ON |OFF The command activates/deactivates RF output blanking. The command is a query and therefore has no *RST value. Example: ":OUTP:BLAN:LIST:STAT ON 'activates the RF output blanking. *RST value Resolution...

  • Page 225: Sense, Initiate And Read Subsystem

    R&S SMC100A Command Description OUTPut[:STATe]:PON OFF | UNCHanged This command selects the state which the RF output assumes when the instrument is switched on. The command is an event and therefore has no *RST value and no query form. Parameters: The output is deactivated when the instrument is switched on.
  • Page 226 Command Description R&S SMC100A INITiate[POWer]:CONTinuous ON | OFF The command switches the local state of the continuous power measurement by the R&S NRP-Zxx power sensors on and off. Switching the local state off enhances the measurement performance during remote control...
  • Page 227 R&S SMC100A Command Description SENSe[:POWer]:DISPlay:PERManent:STATe ON | OFFFF The command switches on and off the permanent indication of the power measurement result in the upper right corner of the block diagram. The type of sensor, the connector, the measurement source and - if set - the offset is indicated.
  • Page 228 Command Description R&S SMC100A SENSe[:POWer]:FILTer:NSRatio 0.0001 … 1.0 The command defines the noise content for fixed noise filter mode (:SENSe:POWer:FILTer:TYPE SNRation). Example: SENS:FILT:TYPE SNR 'selects fixed noise filter mode for the power sensor. SENS:FILT:NSR 0.2 'sets a noise content of 0.2.
  • Page 229 R&S SMC100A Command Description SENSe[:POWer]:FILTer:TYPE AUTO | USER | NSRatio The command selects the filter mode. The filter length is the multiplier for the time window and thus directly influences the measurement time. Parameters: AUTO The filter length is automatically selected and adapted to the currently measured value.
  • Page 230 Command Description R&S SMC100A SENSe[:POWer]:Offset -100 … 100 The command enters a level offset which is added to the measured level value after activation with command SENSe[:POWer]:Offset:STATe ON. This allows e.g. an attenuator in the signal path to be taken into account.
  • Page 231 R&S SMC100A Command Description SENSe[:POWer]:STATus[:DEVice]? The command queries if a sensor is connected to the signal generator. The command is a query command and therefore has no *RST value. Example: SENS:STAT? 'queries if a sensor is connected. Response: 1 'a sensor is connected.
  • Page 232 Command Description R&S SMC100A SENSe:UNIT[:POWer] DBM | DBUV | WATT 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 233: Source Subsystem

    R&S SMC100A Command Description SOURce Subsystem The SOURce subsystem contains the commands for configuring the generated signals. The keyword SOURce is optional and can be ommitted. SOURce:AM Subsystem The AM subsystem contains the commands for checking the amplitude modulation. The AM-specific characteristics of the internal modulation source are defined with commands SOURce:AM:INTernal:...
  • Page 234 Command Description R&S SMC100A [SOURce:]AM:SENSitivity? The command queries the input sensitivity of the MOD EXT 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). This value is assigned to the voltage value for full modulation of the input.

  • Page 235: Source:correction Subsystem

    R&S SMC100A Command Description 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 Signal Generator, this subsystem is used to select, transfer and activate user correction tables (see also chapter 4).
  • Page 236 Command Description R&S SMC100A [SOURce:]CORRection:CSET:CATalog? The command requests a list of user correction tables. The individual lists are separated by commas. 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.
  • Page 237 R&S SMC100A Command Description [SOURce:]CORRection:CSET:DATA:POWer -40dB ... 6dB {,-40dB ... 6dB} The command transfers the level data to the table selected with :CORRection:CSET:SELect. *RST does not affect data lists. . Example: CORR:CSET ‘var/lists/ucor/ucor1' 'selects the table ucor1. CORR:CSET:DATA:POW 1dB, 0.8dB, 0.75dB,...
  • Page 238 Command Description R&S SMC100A [SOURce:]CORRection:CSET:DELete <table name> The command deletes the specified table. 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.
  • Page 239 R&S SMC100A Command Description [SOURce:]CORRection:DEXChange:AFILe:EXTension TXT | CSV 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. Example: MMEM:CDIR ‘var/lists/ucor/import’ 'selects the directory for the ASCII files with frequency and level value pairs.
  • Page 240 Command Description R&S SMC100A [SOURce:]CORRection:DEXChange:AFILe:SEParator:COLumn TABulator | SEMicolon | COMMa | SPACe The command selects the separator between the frequency and level column of the ASCII table. Example: CORR:DEXC:MODE EXP 'selects that the user correction list is exported into an ASCII file.
  • Page 241 R&S SMC100A Command Description [SOURce:]CORRection:DEXChange:EXECute The command starts the export or import of the selected file. When import is selected, the ASCII file is imported as user correction list. When export is selected, the user correction list is exported into the selected ASCII file.
  • Page 242 Command Description R&S SMC100A [SOURce:]CORRection:DEXChange:SELect <list_name> The command selects the user correction list to be imported or exported. . The user correction files are stored with the fixed file extensions *.uco in a directory of the user's choice. The directory applicable to the commands is defined with the command MMEMory:CDIR. A path can also be specified in command SOUR:CORR:DEXC:SEL, in which case the files are stored or loaded in the specified directory.
  • Page 243 R&S SMC100A Command Description [SOURce:]CORRection[:STATe] ON | OFF The command activates/deactivates level correction. Level correction is performed using the table which has been selected with the command CORRection:CSET:SELect. Example: SOUR:CORR:CSET 'ucor1 'selects the table ucor1. SOUR:CORR ON 'activates user correction.

  • Page 244: Source:fm Subsystem

    Command Description R&S SMC100A SOURce:FM Subsystem The FM subsystem contains the commands for checking the frequency modulation. The FM-specific characteristics of the internal modulation source are defined with commands SOURce:FM:INTernal:... Characteristics which are valid for all modulations and the LF Output are configured in the SOURce:LFOutput subsystem (e.g.
  • Page 245 R&S SMC100A Command Description [SOURce:]FM:EXTernal:DEViation 0 … 40 MHz The command enters the deviation of the external FM signal Example: FM:EXT:DEV 3kHz 'sets an external modulation depth of 3 kHz *RST value Resolution Options SCPI 1 kHz Compliant [SOURce:]FM:SENSitivity? The command queries the input sensitivity of the MOD EXT input in Hz/V. The command is only effective if the external modulation source is selected (SOUR:FM:SOUR EXT).

  • Page 246: Source:frequency Subsystem

    Command Description R&S SMC100A SOURce:FREQuency Subsystem This subsystem contains the commands used to define the frequency settings for the RF sources and sweeps. The keyword SOURce is optional with commands and can be omitted. Command Parameters Default Remark unit [SOURce:]FREQuency:CENTer 300 kHz...RF...
  • Page 247 R&S SMC100A Command Description [SOURce:]FREQuency[:CW|:FIXed] 300 kHz ... RF The command sets the frequency of the RF output signal for CW mode (SOURce:FREQuency:MODE CW). In Sweep mode (SOURce:FREQuency:MODE SWEep), this value is linked to the current sweep frequency. In addition to a numerical value, it is also possible to specify UP and DOWN. The frequency is then increased or decreased by the value which is set under [SOURce:]FREQuency:STEP.
  • Page 248 Command Description R&S SMC100A [SOURce:]FREQuency:MANual STARt ... STOP In Sweep mode (:SOUR:FREQ:MODE SWE) the command sets the frequency for the next sweep step in the Step sweep mode (SOUR:SWE:MODE MAN). Here only frequency values between the settings [SOUR]:FREQ:STAR and ...:STOP are permitted. Each sweep step is triggered by a separate SOUR:FREQ:MAN command.
  • Page 249 R&S SMC100A Command Description [SOURce:]FREQuency:OFFSet -50 GHz ... + 50 GHz The command sets the frequency offset of a downconversion instrument, e.g. a mixer. If a frequency offset is entered, the frequency entered with SOURce:FREQuency:... no longer corresponds to the RF output frequency. The following correlation applies: SOURce:FREQuency:...
  • Page 250 Command Description R&S SMC100A [SOURce:]FREQuency:STEP[:INCRement] 0 Hz ... RF - 100 kHz The command sets the step width for the frequency setting if the frequency values UP/DOWN are used and variation mode SOUR:FREQ:STEP:MODE USER is selected. The command is linked to Variation Step for manual control, i.e.

  • Page 251: Source:input Subsystem

    R&S SMC100A Command Description SOURce:INPut Subsystem The SOURce:INPut subsystem contains the commands for configuring the inputs for external pulse modulation signals. The instrument trigger setting influences all sweeps (Instrument Trigger). Command Parameters Default Remark unit [SOURce:]INPut:TRIGger:SLOPe POSitive | NEGative [SOURce:]INPut:TRIGger:SLOPe...
  • Page 252 Command Description R&S SMC100A The keyword SOURce is optional and can be omitted. Command Parameters Default Remark unit [SOURce:]LFOutput:FREQuency Min … max See data sheet [SOURce:]LFOutput:FREQuency:MANual 0.1 Hz ... 1 MHz [SOURce:]LFOutput:FREQuency:MODE CW | FIXed | SWEep [SOURce:]LFOutput:FREQuency:STARt 0.1 Hz ... 1 MHz [SOURce:]LFOutput:FREQuency:STOP 0.1 Hz ...
  • Page 253 R&S SMC100A Command Description [SOURce:]LFOutput:FREQuency:MANual 0.1 Hz... 1 MHz In Sweep mode (SOUR:LFO:FREQ:MODE SWE) the command sets the frequency for the next sweep step in the Step sweep mode (SOUR:LFO:SWE:MODE MAN). Here only frequency values between the settings SOUR:LFO:FREQ:STAR and ...:STOP are permitted. Each sweep step is triggered by a separate SOUR:LFO:FREQ:MAN command.
  • Page 254 Command Description R&S SMC100A [SOURce:]LFOutput:FREQuency:STARt 0.1 Hz... 1 MHz This command sets the start frequency for the LF Sweep mode. Example: RST* 'activates all presettings. LFO:SWE:MODE AUTO 'sets the AUTO sweep mode, i.e. each trigger triggers a complete sweep. TRIG:FSW:SOUR SING 'sets the SINGle trigger mode, i.e.
  • Page 255 R&S SMC100A Command Description [SOURce:]LFOutput:SWEep[:FREQuency]:DWEL 2 ms...10 s The command sets the dwell time for each frequency step of the sweep. Note: It is recommended to switch off the GUI update for optimum sweep performance especially with short dwell times (SYSTem:DISPlay:UPDate OFF).
  • Page 256 Command Description R&S SMC100A [SOURce:]LFOutput:SWEep[:FREQuency]:MODE AUTO | MANual | STEP The command sets the cycle mode of the LF sweep. The assignment of the IEC/IEEE-bus commands to the sweep modes is given in the description of the sweep menus. Parameters: AUTO Each trigger triggers exactly one complete sweep.
  • Page 257 R&S SMC100A Command Description 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 258 Command Description R&S SMC100A [SOURce:]LFOutput:SWEep[:FREQuency]:SPACing LINear | LOGarithmic The command selects linear or logarithmic sweep spacing. Example: LFO:SWE:SPAC LIN 'selects linear sweep spacing. *RST value Resolution Options SCPI LINear Device-specific [SOURce:]LFOutput:SWEep[:FREQuency]:STEP[:LINear] 0 ... (STOP - STARt) The command sets the step width for the linear sweep.

  • Page 259: Source:modulation Subsystem

    R&S SMC100A Command Description Example: LFO:FREQ:STAR 'sets the start frequency to 1 kHz. LFO:FREQ:STOP 'sets the stop frequency to 100 kHz. LFO:SWE:SPAC LOG 'sets logarithmic sweep spacing. LFO:SWE:STEP:LOG 10PCT 'sets the step width for logarithmic sweep spacing to 10% of the previous frequency in each instance.

  • Page 260: Source:phase Subsystem

    Command Description R&S SMC100A SOURce:PHASe Subsystem This subsystem contains the commands for adjusting the phase of the RF output signal relative to a reference signal of the same frequency. The keyword SOURce is optional with commands and can be omitted.

  • Page 261: Source:pm Subsystem

    R&S SMC100A Command Description SOURce:PM Subsystem The PM subsystem contains the commands for checking the phase modulation. The PhiM-specific characteristics internal modulation source defined with commands SOURce:PM:INTernal:... Characteristics which are valid for all modulations and the LF Output are configured in the SOURce:LFOutput subsystem (e.g. frequency). The external signal is input at the MOD EXT connector.
  • Page 262 Command Description R&S SMC100A [SOURce:]PM:EXTernal[:DEViation] 0 ... 160 RAD The command sets the modulation deviation in case of external phase modulation in RAD. The maximal deviation depends on the RF frequency set and the selected modulation mode (see data sheet).

  • Page 263: Source:power Subsystem

    R&S SMC100A Command Description SOURce:POWer Subsystem This subsystem contains the commands for setting the output level, level control and level correction of the RF signal. Other units can also be used instead of dBm: • by entering the unit directly after the numerical value (example :POW 0.5V), •...
  • Page 264 Command Description R&S SMC100A [SOURce:]POWer:ALC:SONCe The command briefly activates level control for correction purposes. The command triggers an event and therefore has no *RST value and no query form. Example: POW:ALC OFF 'deactivates automatic level control. POW:ALC:SONC 'level control is performed once only.
  • Page 265 R&S SMC100A Command Description Parameters: Minimum level ... Maximum level The value range for the level setting varies according to the instrument model. The values are given in the data sheet. Example: SOUR:POW:LEV:IMM:AMPL 15 or :POW 15 'sets the RF level at output A to 15 dBm.
  • Page 266 Command Description R&S SMC100A [SOURce:]POWer:LIMit[:AMPLitude] Minimum level ..Maximum level The command limits the maximum RF output level in CW and SWEEP mode. It does not influence the LEVEL display or the response to the POW? query command. Parameters: Minimum level ... Maximum level The value range for the level setting varies according to the instrument model.
  • Page 267 R&S SMC100A Command Description [SOURce:]POWer:MODE CW|FIXed | SWEep The command sets the instrument operating mode and therefore also the commands used to set the output level. Parameters: CW|FIXed The instrument operates at a constant level. CW and FIXed are synonyms.
  • Page 268 Command Description R&S SMC100A [SOURce:]POWer:STEP[:INCRement] 0 dB ... 100dB The command sets the step width for the level setting if UP and DOWN are used as the level values and variation mode :SOUR:POW:STEP:MODE USER is selected. The command is linked to setting Variation Step for manual control, i.e.

  • Page 269: Source:pulm And Pgen Subsystem

    R&S SMC100A Command Description SOURce:PULM and PGEN Subsystem The PULM subsystem contains the commands for checking the pulse modulation. The external signal is input at the PULSE EXT connector. The connector can be used as trigger input for internal pulse modulation.
  • Page 270 Command Description R&S SMC100A [SOURce:]PULM:DELay 20ns .. 1s The command 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 271 R&S SMC100A Command Description [SOURce:]PULM:MODE DOUBle | SINGle The command selects the mode for pulse generation. Parameters: SINGle A single pulse is generated in one pulse period. DOUBle Two pulses are generated in one pulse period. Example: PULM:MODE DOUB 'double-pulse mode is enabled.
  • Page 272 Command Description R&S SMC100A [SOURce:]PULM:SOURce INTernal | EXTernal The command selects the source for pulse modulation. Pulse" Parameters: INTernal The internally generated rectangular signal is used for the pulse modulation. EXTernal The signal applied externally via the PULS EXT connector is used for the pulse modulation.
  • Page 273 R&S SMC100A Command Description [SOURce:]PULM:TRIGger:EXTernal:GATe:POLarity NORMal | INVerted Selects the polarity of the Gate signal. The signal is supplied via the PULSE EXT connector. Example: PULM:TRIG:EXT:GAT:POL NORM 'The pulse signal is generated while the gate signal is high. *RST value...

  • Page 274: Source:roscillator Subsystem

    Command Description R&S SMC100A SOURce:ROSCillator Subsystem This subsystem contains the commands for setting the external and internal reference frequency. Note: The commands of the SOURce:ROSCillator Subsystem are not affected by an instrument reset (*RST) Command Parameters Default Remark unit [SOURce:]ROSCillator:EXTernal:FREQuency...

  • Page 275: Source:sweep Subsystem

    R&S SMC100A Command Description [SOURce:]ROSCillator[:INTernal]:ADJust:VALue 0 ... 4095 The command specifies the frequency correction value (adjustment value). Example: ROSC:ADJ:VAL 1400 'sets the adjustment value to 1400. *RST value Resolution Options SCPI Device-specific [SOURce:]ROSCillator:SOURce INTernal | EXTernal The command selects between internal and external reference frequency.
  • Page 276 Command Description R&S SMC100A 4. Select the trigger mode. TRIGger:FSWeep:SOURce SINGle 5. Select the sweep mode and activate the sweep. [SOURce:]SWEep[:FREQuency]:MODE AUTO [SOURce:]FREQuency:MODE SWEep 6. Trigger the sweep. [SOURce:]SWEep[:FREQuency]:EXECute Note: It is recommended to switch off the GUI update for optimum sweep performance especially with short dwell times (SYSTem:DISPlay:UPDate OFF).
  • Page 277 R&S SMC100A Command Description [SOURce:]SWEep[:FREQuency]:DWELl 3 ms...10 s The command sets the time taken for each frequency step of the sweep. Note: It is recommended to switch off the GUI update for optimum sweep performance especially with short dwell times (SYSTem:DISPlay:UPDate OFF).
  • Page 278 Command Description R&S SMC100A [SOURce:]SWEep[:FREQuency]:MODE AUTO | MANual | STEP The command sets the sweep mode. The keyword [:FREQuency] can be omitted (see example). The command is then SCPI-compliant. Parameters: AUTO Each trigger triggers exactly one complete sweep. MANual The trigger system is not active. Each frequency step of the sweep is triggered...
  • Page 279 R&S SMC100A Command Description [SOURce:]SWEep[:FREQuency]:POINts <numeric_value> The command sets the number of steps in an RF sweep. The command is linked to the command :SWEep[:FREQuency]:STEP as follows: The following applies for linear sweeps: POINts = (SPAN / STEP:LIN) + 1 The following applies for logarithmic sweeps and STARt <...
  • Page 280 Command Description R&S SMC100A [SOURce:]SWEep[:FREQuency]:SPACing LINear | LOGarithmic The command selects linear or logarithmic sweep spacing. The keyword [:FREQuency] can be omitted (see example). The command is then SCPI-compliant. Example: SWE:SPAC LIN 'selects linear sweep spacing for a frequency sweep.
  • Page 281 R&S SMC100A Command Description [SOURce:]SWEep[:FREQuency]:STEP:LOGarithmic 0.01 ... 9999 PCT The command 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 282 Command Description R&S SMC100A [SOURce:]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. The command triggers an event and therefore has no query form and no *RST value.
  • Page 283 R&S SMC100A Command Description [SOURce:]SWEep:POWer:POINts <numeric_value> The command sets the number of steps in a level sweep. The command is linked to the command :SWEep:POWer:STEP as follows: POINts = ((STOP - STARt) / STEP:LOG) + 1 If POINTs changes, the value of STEP is adjusted. The STARt and STOP value is retained.
  • Page 284 Command Description R&S SMC100A [SOURce:]SWEep:POWer:STEP[:LOGarithmic] 0.01 ... 165 dB The command sets the step width factor for logarithmic sweeps. The next level value of a sweep is calculated (for STARt < STOP) using the following formula: New level = Old level + STEP:LOG x Old level STEP:LOG therefore gives the fraction of the old level.

  • Page 285: Status Subsystem

    R&S SMC100A Command Description STATus Subsystem This system contains the commands for the status reporting system. *RST has no effect on the status registers. Queries return the current value of the respective register, which permits a check of the device status. A decimal value between 0 and 32767 (=2 -1) is returned.
  • Page 286 Command Description R&S SMC100A STATus:OPERation:CONDition? The command queries the content of the CONDition part of the STATus:OPERation 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 287 R&S SMC100A Command Description STATus:PRESet The command resets the status registers. All PTRansition parts are set to FFFFH (32767), i.e. all transitions from 0 to 1 are detected. All NTRansition parts are set to 0, i.e. a transition from 1 to 0 in a CONDition bit is not detected.
  • Page 288 Command Description R&S SMC100A STATus:QUEStionable:NTRansition The command sets the bits of the NTRansition part of the STATus:QUEStionable register. If a bit is set, a transition from 1 to 0 in the condition part causes an entry to be made in the EVENt part of the register.

  • Page 289: System Subsystem

    R&S SMC100A Command Description SYSTem Subsystem The SYSTem subsystem contains a series of commands for general functions which do not directly affect signal generation. Command Parameters Default Remark unit SYSTem:BEEPer:STATe ON | OFF SYSTem:COMMunicate:GPIB:LTERminator EOI | STANdard SYSTem:COMMunicate:GPIB[:SELF]:ADDRess 0...30 SYSTem:COMMunicate:NETWork[:COMMon]:HOSTname ‘string’...
  • Page 290 Command Description R&S SMC100A SYSTem:BEEPer:STATe ON | OFF The command switches the key beep on or off. Example: SYST:BEEP:STAT O 'no acoustic signal is output when a key on the front panel is pressed. *RST value Resolution Options SCPI Compliant SYSTem:COMMunicate:GPIB:LTERminator EOI | STANdard The command sets the terminator recognition for remote control via the IEC/IEEE bus.
  • Page 291 R&S SMC100A Command Description SYSTem:COMMunicate:NETWork[:COMMon]:HOSTname ‘string’ The command enters the individual computer name of the R&S SMC. The entry is only activated after sending command SYST:COMM:NETW:COMM:SET. Note: The hostname can only be changed after deactivating protection level 1 (command SYSTem:PROTect<n>:STATe OFF, password) Example: SYST:COMM:NETW:HOST ‘SMC’...
  • Page 292 Command Description R&S SMC100A SYSTem:COMMunicate:NETWork:DNS:MODE STATic | AUTO The command selects if the DNS server address is assigned automatically or manually. The entry is only activated after sending command SYST:COMM:NETW:DNS:SET. Parameters: AUTO The DNS server address is assigned automatically. The network used must support automatic assignment of address (DHCP) in order to use this function.
  • Page 293 R&S SMC100A Command Description SYSTem:COMMunicate:NETWork:GET The command retrieves the current network settings. They can be queried with the corresponding commands. The command triggers an event and therefore has no *RST value and no query form. Example: SYST:COMM:NETW:GET ' retrieves the current network settings.
  • Page 294 Command Description R&S SMC100A SYSTem:COMMunicate:NETWork:IPADdress:MODE STATic | AUTO The command selects if the IP address is assigned automatically or manually. The entry is only activated after sending command SYST:COMM:NETW:IPAD:SET. Parameters: AUTO The IP address is assigned automatically. The network used must support automatic assignment of address (DHCP) in order to use this function.
  • Page 295 R&S SMC100A Command Description SYSTem:COMMunicate:MACaddress? The command queries the MAC address of the network adapter. The command is a query command and therefore has no *RST value. Example: SYST:COMM:NETW:MAC? 'queries the MAC address. *RST value Resolution Options SCPI Device-specific SYSTem:COMMunicate:NETWork:RESource? The command queries the visa resource string.
  • Page 296 Command Description R&S SMC100A SYSTem:DISPlay:UPDate ON | OFF The command switches the update of the display on/off. A switchover from remote control to manual control always sets the status of the update of the display to ON. Example: SYST:DISP:UPD OFF 'switches update of displayed parameter values off.
  • Page 297 R&S SMC100A Command Description 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. Positive error numbers denote device-specific errors, and negative error numbers denote error messages defined by SCPI (see section "Error...
  • Page 298 Command Description R&S SMC100A SYSTem:KLOCk ON | OFF The command (Keyboard LOCk) disables the front panel keyboard of the R&S Signal Generator including the key, or enables it again (OFF). LOCAL Example: SYST:KLOC ON 'activates the keyboard lock. The keyboard cannot be operated again until it has been enabled with SYST:KLOC OFF.
  • Page 299 R&S SMC100A Command Description SYSTem:PROTect<n>[:STATe] ON | OFF, password The command activates and deactivates the specified protection level. There are several protection levels which disable specific service functions (authorized personnel of R&S Service Departments only). These levels are identified by the suffix under PROTect.
  • Page 300 Command Description R&S SMC100A SYSTem:TIME 0...23,0...59,0...59 The command sets the time for the instrument-internal clock. Example: SYST:TIME 12,0,0 'sets the time to precisely 12 pm. *RST value Resolution Options SCPI Compliant SYSTem:VERSion? The command queries the SCPI version with which the instrument complies.

  • Page 301: Test Subsystem

    R&S SMC100A Command Description TEST Subsystem The TEST system contains the commands for performing the routines as well as for direct manipulation of the hardware assemblies (:TEST:DIRect). The self tests return a "0" if the test is performed successfully, otherwise a value other than "0" is returned. None of the commands of this system have an *RST value.
  • Page 302 Command Description R&S SMC100A Command Parameters Default Remark unit TRIGger:LFFSweep:SOURce AUTO|IMMediate | SINGle|BUS | EXTernal | EAUTo TRIGger:FSWeep[:IMMediate] No query TRIGger:FSWeep:SOURce AUTO|IMMediate | SINGle|BUS | EXTernal | EAUTo TRIGger:PSWeep[:IMMediate] No query TRIGger:PSWeep:SOURce AUTO|IMMediate | SINGle|BUS | EXTernal | EAUTo TRIGger[:SWEep][:IMMediate]...
  • Page 303 R&S SMC100A Command Description TRIGger:FSWeep[:IMMediate] The command immediately starts an RF frequency sweep cycle. The command is only effective for sweep mode Single (SOURce:SWEep:FREQuency:MODE AUTO in combination with TRIG:FSW:SOUR SING). The command corresponds to the manual-control command Execute Trigger. This command triggers an event and therefore has no *RST value.
  • Page 304 Command Description R&S SMC100A TRIGger:PSWeep[:IMMediate] The command immediately starts an RF level sweep. The command is only effective for sweep mode Single (SOURce:SWEep:POWer:MODE AUTO in combination with TRIG:PSW:SOUR SING). The command corresponds to the manual-control command Execute Trigger. This command triggers an event and therefore has no *RST value.
  • Page 305 R&S SMC100A Command Description TRIGger[:SWEep][:IMMediate] The command starts the sweeps which is activated. The sweep to be executed depends on the respective MODE setting (:SOUR:SWEep:POW|FREQ:MODE and :SOUR:LFO:SWEep[:FREQ]:MODE). The command corresponds to the manual-control command Execute Trigger. This command triggers an event and therefore has no *RST value.

  • Page 306: Unit Subsystem

    Command Description R&S SMC100A UNIT Subsystem The UNIT subsystem contains the commands specifying which units are valid if no unit is indicated in a command. These settings are valid for the entire instrument. Command Parameters Default Remark unit UNIT:ANGLe DEG | RAD...
  • Page 307 R&S SMC100A Contents - Maintenance and Remote Control Interfaces Contents - Chapter 8 "Maintenance and Remote Control Interfaces" Maintenance and Remote Control Interfaces......8.1 Introduction - Maintenance and Interfaces ............8.1 Maintenance ..................... 8.1 Cleaning the Outside and Storing ............8.1 Hardware Interfaces ..................

  • Page 308: Maintenance And Remote Control Interfaces

    R&S SMC100A Introduction - Maintenance and Interfaces Maintenance and Remote Control Interfaces Introduction - Maintenance and Interfaces The following chapter contains information on the maintenance of the signal generator and a description of the remote control interfaces. Please follow the instructions in the service manual when exchanging modules or ordering spares. The order no.

  • Page 309: Hardware Interfaces

    Hardware Interfaces R&S SMC100A Hardware Interfaces The following section describes the remote-control interfaces of the signal generator. All other interfaces are described in Chapter 1, sections "Legend for Front Panel View" and "Legend for Rear Panel View". For specifications refer to the data sheet.
  • Page 310 R&S SMC100A Hardware Interfaces Bus Lines 1. Data bus with 8 lines D0 to D7. The transmission is bit-parallel and byte-serial in the ASCII/ISO code. D0 is the least significant bit, D7 the most significant bit. 2. Control bus with 5 lines IFC (Interface Clear) active LOW resets the interfaces of the instruments connected to the default setting.
  • Page 311 Hardware Interfaces R&S SMC100A IEC/IEEE Bus Messages Interface messages are transferred on the data lines of the IEC/IEEE bus when the "ATN" control line is active (LOW). They are used for communication between controller and instruments and can only be sent by the controller which currently has control of the IEC/IEEE bus.

  • Page 312: Lan Connector

    R&S SMC100A Hardware Interfaces LAN Connector The unit is equipped with an LAN interface as standard. The LAN connector is at the rear of the instrument. Provided the appropriate rights have been assigned by the network administrator, files can be transmitted via the network, and network resources, e.g. a network folders, can be used. The instrument can also be remote-controlled and manually operated in the network.
  • Page 313 Hardware Interfaces R&S SMC100A Core channel (program, response, control messages ) Controller Instrument Abort channel (abort) Interrupt channel (Service request) Figure 8-3 VXI-11 channels between instrument and controller The number of controllers that can address an instrument is practically unlimited in the network. In the instrument, the individual controllers are clearly distinguished.
  • Page 314 R&S SMC100A Hardware Interfaces In the 'Measurement & Automation Control' program, this setting is made on the Template tab. VXI-11 Interface Messages On the Ethernet link, the interface messages are called low-level control messages. These messages can be used to emulate interface messages of the IEC/IEEE bus.

  • Page 315: Usb Connection (Usb And Usb In)

    Hardware Interfaces R&S SMC100A USB Connection (USB and USB IN) The instrument is equipped as standard with three USB (universal serial bus) interfaces which are located at the rear of the instrument. One of them is a type A interfaces (host USB) which establishes a connection to the controller. It can be used for connecting peripherals such as mouse and keyboard or a memory stick for data transmission.
  • Page 316 R&S SMC100A Contents - Error Messages Contents - Chapter 9 "Error Messages" Error Messages ................ 9.1 Introduction - Status Information and Messages..........9.1 Status Information .................... 9.1 Error Messages ....................9.3 Alphabetical List of SCPI-Error Messages ............9.4 Block data not allowed (-168).............. 9.4 Character data not allowed (-148)............
  • Page 317 Contents - Error Messages R&S SMC100A Self test failed ... (-330) ..............9.10 Settings conflict ... (-221)..............9.10 String data not allowed (-158) ............9.10 Suffix not allowed (-138)..............9.10 Suffix too long (-134) ................. 9.11 Syntax error (-102) ................9.11 System error (-310) ................

  • Page 318: Error Messages

    R&S SMC100A Introduction - Status Information and Messages Error Messages Introduction - Status Information and Messages This chapter describes the error messages of the signal generator. The error messages are output in the Info line on the screen and entered in the error error/event queue of the status reporting system.
  • Page 319 Status Information R&S SMC100A LEVEL OFFSET A level offset is set. The level entered and displayed in the Level field takes the offset of any downstream attenuators/amplifiers into consideration by way of calculation. This means that with a level offset the level displayed in the header does not correspond to the level at the RF output, but rather to the level at the output of the downstream instrument.
  • Page 320 R&S SMC100A Error Messages AttFixed Attenuator fixed mode is active. The uninterrupted level settings are made in a fixed range without attenuator switching. The variation range is set automatically when this mode is activated. The range is displayed under Attenuator Fixed Range in the Level menu.

  • Page 321: Alphabetical List Of Scpi-Error Messages

    Alphabetical List of SCPI-Error Messages R&S SMC100A Alphabetical List of SCPI-Error Messages The following list contains all error messages defined in SCPI in alphabetical order. SCPI error messages are the same in all SCPI instruments. The errors are assigned negative numbers.

  • Page 322: Command Protected (-203)

    R&S SMC100A Alphabetical List of SCPI-Error Messages Command protected (-203) The desired command could not be executed as it was protected with a password. Example: The command CAL:FREQ? might be protected with a password. Remedy Use command :SYST:PROT1 OFF, 123456 to enable the command.

  • Page 323: Expression Data Not Allowed (-178)

    Alphabetical List of SCPI-Error Messages R&S SMC100A Expression data not allowed (-178) The command contains a mathematical expression at an impermissible position. SCPI: Command error - sets bit 5 in the ESR register GET not allowed (-105) A Group Execute Trigger (GET) is within a command line.

  • Page 324: Illegal Parameter Value (-224)

    R&S SMC100A Alphabetical List of SCPI-Error Messages Illegal parameter value (-224) The parameter value is invalid. Example: An invalid text parameter is indicated : TRIG:SWEep:SOUR TASTe SCPI: Execution error - sets bit 4 in the ESR register Invalid block data (-161) The command contains illegal block data.

  • Page 325: Lists Not Same Length (-226)

    Alphabetical List of SCPI-Error Messages R&S SMC100A Lists not same length (-226) The parts of a list have different lengths. This error message is also displayed if only part of a list has been transmitted via IEC bus. All parts of the list have to be transmitted always before it is executed.

  • Page 326: Parameter Not Allowed (-108)

    R&S SMC100A Alphabetical List of SCPI-Error Messages Parameter not allowed (-108) The command contains too many parameters. Example: Command SOURce:FM:INTernal:FREQuency permits only one frequency indication - ":FREQ:CENT 30 kHz, 40 kHz". SCPI: Command error - sets bit 5 in the ESR register Program mnemonic too long (-112) The header contains more than 12 characters.

  • Page 327: Query Deadlocked (-430)

    Alphabetical List of SCPI-Error Messages R&S SMC100A Query deadlocked (-430) This query cannot be processed. Example The input and output buffers are full, the instrument cannot be operated. SCPI: Query error - error in data request - sets bit 2 in the ESR register.

  • Page 328: Suffix Too Long (-134)

    R&S SMC100A Alphabetical List of SCPI-Error Messages Suffix too long (-134) The suffix contains more than 12 characters. SCPI: Command error - sets bit 5 in the ESR register Syntax error (-102) The command is invalid. Example: The command contains block data the instrument does not accept.

  • Page 329: Alphabetical List Of Device-Specific Error Messages

    Alphabetical List of Device-Specific Error Messages R&S SMC100A Alphabetical List of Device-Specific Error Messages The following list contains all error messages specific of the instrument in alphabetical order. The positive error codes mark the errors specific of the instrument. 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.

  • Page 330: Adjustment Failed (180)

    R&S SMC100A Alphabetical List of Device-Specific Error Messages Adjustment failed (180) Adjustment could not be executed Remedy: The adjustment data have to be generated first by an internal or external adjustment or to be loaded into the device (see section Adjustment).

  • Page 331: Cannot Write File (461)

    Alphabetical List of Device-Specific Error Messages R&S SMC100A Cannot write file (461) The file can not be written. Example: The file is read-only. SCPI: Device-specific error - sets bit 3 in the ESR register Driver initialization failed (204) Initialization of a driver fails when booting the instrument firmware...

  • Page 332: Invalid Eeprom Data (203)

    R&S SMC100A Alphabetical List of Device-Specific Error Messages Invalid EEPROM data (203) Reading a EEPROM is possible, however the data are inconsistent. SCPI: Device-specific error - sets bit 3 in the ESR register Invalid filename extension (464) The file extension is not valid for the desired operation.
  • Page 333 R&S SMC100A Annex Contents - Chapter 10 "Annex" Annex ................... 1 Alphabetical List of Commands................1 Index ....................... 10.9 Test Equipment Depot - 800.517.8431 - 99 Washington Street Melrose, MA 02176 FAX 781.665.0780 - TestEquipmentDepot.com 1411.4060.32...
  • Page 334 R&S SMC100A Alphabetical List of Commands 10 Annex Alphabetical List of Commands *CLS ................................ 6.5 *ESE ................................ 6.5 *ESE? ..............................6.5 *ESR? ..............................6.5 *IDN? ............................... 6.6 *IST?................................ 6.6 *OPC................................ 6.6 *OPC?..............................6.6 *OPT? ..............................6.6 *PRE ................................ 6.6 *PRE? ..............................6.6 *PSC ................................
  • Page 335 Alphabetical List of Commands R&S SMC100A DIAGnostic[:MEASure]:POINt? ......................6.13 DIAGnostic:BGINfo?..........................6.11 DIAGnostic:BGINfo:CATalog?....................... 6.12 DIAGnostic:INFO:OTIMe?........................6.12 DIAGnostic:INFO:POCount? ......................... 6.12 DIAGnostic:POINt:CATalog?......................... 6.12 DISPlay:PSAVe[:STATe]........................6.13 DISPlay:PSAVe:HOLDoff ........................6.13 FORMat[:DATA] ............................ 6.14 FORMat:BORDer ..........................6.14 FORMat:SREGister ..........................6.16 INITiate<[1]...3>[:POWer]:CONTinuous ....................6.28 MMEMory:CATalog? ..........................6.18 MMEMory:CATalog:LENGth? .......................
  • Page 336 R&S SMC100A Alphabetical List of Commands OUTPut[:STATe] ........................... 6.26 OUTPut[:STATe]:PON........................... 6.27 OUTPut<[1]|2>:PROTection:CLEar....................... 6.26 OUTPut:AFIXed:RANGe:LOWer?......................6.25 OUTPut:AFIXed:RANGe:UPPer? ......................6.25 OUTPut:AMODe ............................ 6.23 OUTPut:BLANk:LIST:STATe......................... 6.26 OUTPut:IMPedance ..........................6.25 OUTPut:PROTection:TRIPped......................6.26 READ[:POWer]? ............................ 6.28 SENSe[:POWer]:CORRection:SPDevice:STATe.................. 6.28 SENSe[:POWer]:DISPlay:PERManent:STATe ..................6.29 SENSe[:POWer]:FILTer:LENGth[:USER] ..................... 6.29 SENSe[:POWer]:FILTer:LENGth:AUTO ....................6.29 SENSe[:POWer]:FILTer:NSRatio ......................
  • Page 337 Alphabetical List of Commands R&S SMC100A [SOURce]:POWer:ALC:OMODe ......................6.73 [SOURce:]AM[:DEPTh] ......................... 6.36 [SOURce:]AM:EXTernal:COUPling ....................... 6.36 [SOURce:]AM:SENSitivity ........................6.37 [SOURce:]AM:SOURce......................... 6.37 [SOURce:]AM:STATe..........................6.37 [SOURce:]CORRection[:STATe] ......................6.48 [SOURce:]CORRection:CSET[:SELect]....................6.47 [SOURce:]CORRection:CSET:CATalog? ..................... 6.40 [SOURce:]CORRection:CSET:DATA[:SENSor[:POWer]:SONCe ............6.41 [SOURce:]CORRection:CSET:DATA:FREQuency ................6.40 [SOURce:]CORRection:CSET:DATA:FREQuency:POINts? ..............6.40 [SOURce:]CORRection:CSET:DATA:POWer ..................6.41 [SOURce:]CORRection:CSET:DATA:POWer:POINts? ................
  • Page 338 R&S SMC100A Alphabetical List of Commands [SOURce:]FREQuency:SPAN ....................... 6.55 [SOURce:]FREQuency:STARt ......................6.55 [SOURce:]FREQuency:STEP[:NCRement] ..................6.56 [SOURce:]FREQuency:STEP:MODE ....................6.56 [SOURce:]FREQuency:STOP ....................... 6.56 [SOURce:]INPut:TRIGger:SLOPe ......................6.57 [SOURce:]LFOutput:SWEep[:FREQuency]:SHAPe................6.64 [SOURce:]LFOutput[:STATe] ........................ 6.61 [SOURce:]LFOutput:FREQuency......................6.58 [SOURce:]LFOutput:FREQuency:MANual.................... 6.60 [SOURce:]LFOutput:FREQuency:MODE....................6.60 [SOURce:]LFOutput:FREQuency:STARt ....................6.61 [SOURce:]LFOutput:FREQuency:STOP ....................6.61 [SOURce:]LFOutput:SWEep[:FREQuency]:DWELl ................
  • Page 339 Alphabetical List of Commands R&S SMC100A [SOURce:]POWer:LIMit[:AMPLitude] ....................6.76 [SOURce:]POWer:MANual........................6.76 [SOURce:]POWer:MODE........................6.78 [SOURce:]POWer:STARt ........................6.78 [SOURce:]POWer:STEP[:INCRement] ....................6.79 [SOURce:]POWer:STEP:MODE ......................6.79 [SOURce:]POWer:STOP........................6.79 [SOURce:]PULM:DELay........................6.81 [SOURce:]PULM:DOUBle:DELay ......................6.81 [SOURce:]PULM:DOUBle:STATe ......................6.81 [SOURce:]PULM:DOUBle:WIDTh......................6.81 [SOURce:]PULM:MODE........................6.83 [SOURce:]PULM:PERiod ........................6.83 [SOURce:]PULM:POLarity ........................6.83 [SOURce:]PULM:SOURce ........................
  • Page 340 R&S SMC100A Alphabetical List of Commands [SOURce:]SWEep:POWer:SPACing:MODE?..................6.97 [SOURce:]SWEep:POWer:STEP[:LOGarithmic]................... 6.98 STATus:OPERation:CONDition? ......................6.100 STATus:OPERation:ENABle ....................... 6.100 STATus:OPERation:EVENt?......................... 6.99 STATus:OPERation:NTRansition......................6.100 STATus:OPERation:PTRansition ......................6.100 STATus:PRESet ..........................6.101 STATus:QUEStionable:CONDition? ....................6.101 STATus:QUEStionable:ENABle ......................6.102 STATus:QUEStionable:EVENt? ......................6.101 STATus:QUEStionable:NTRansition ....................6.102 STATus:QUEStionable:PTRansition ....................6.101 STATus:QUEue:NEXT]? ........................
  • Page 341 Alphabetical List of Commands R&S SMC100A SYSTem:ERRor:COUNt?........................6.115 SYSTem:FPReset ..........................6.113 SYSTem:KLOCk..........................6.116 SYSTem:LANGuage ........................... 6.116 SYSTem:PRESet ..........................6.116 SYSTem:PROTect<n>[:STATe] ......................6.117 SYSTem:SERRor? ..........................6.117 SYSTem:STARtup:COMPlete? ......................6.117 SYSTem:TIME............................. 6.118 SYSTem:VERSion?..........................6.118 TEST:DIRect............................6.119 TRIGger[:SWEep][:IMMediate]......................6.123 TRIGger:FSWeep[:IMMediate] ......................6.121 TRIGger:FSWeep:SOURce......................... 6.121 TRIGger:LFFSWeep:SOURce ......................
  • Page 342 R&S SMC100A Index Index & 200 - Cannot access hardware....9.18 &GTL .............5.2 201 - Hardware revision out of date.... 9.20 &GTR.............5.2 202 - Cannot access the EEPROM .... 9.18 &LLO..............5.3 203 - Command protected ......9.7 203 - Invalid EEPROM data......9.20 204 - Driver initialization failed....
  • Page 343 Index R&S SMC100A Arrow keys ............ 1.5 Assemblies display ......4.10,6.11,6.12 50 - Extern reference out of range or Asterisk ............5.18 disconnected........9.16 Attenuator ........... 4.58,6.23 Attenuator Mode ......... 4.58,6.23 Abort button ..........3.17 AttFixed............9.4 Aborting a calculation ........3.17 Auto Once - Power Sensors ....4.55,6.31 Accept - Network Settings ......4.17...
  • Page 344 R&S SMC100A Index Command Default structure ............ 5.11 factory settings ........6.113 Suffix ............5.12 instrument settings ....1.18,4.6,6.116 synchronization .........5.22 Delete instrument settings ..4.32,4.40,6.21 universal............8.4 Delimiter ............5.19 Command Error (-100) ........9.5 Delta Phase ........4.47,6.70 Command protected (-203) ......9.7 Destination Import/Export - Common commands ........6.5...
  • Page 345 Index R&S SMC100A Error queue query....6.102,6.113,6.115 Filter - Power Sensors ........ 4.54 ESE (event status enable register)....5.27 Filter Length - Power Sensors.... 4.55,6.29,6.31,6.32 Ethernet ............1.21 Fine adjustment - Ethernet - Remote control ......5.4 Reference frequency....4.49,6.86 Event status enable register (ESE) .....5.27 Firmware Example for setting ........2.6,2.10...
  • Page 346 R&S SMC100A Index Front panel ESC.............1.7 IEC/IEEE bus FREQ ............1.3 address........... 4.21,6.105 HELP............1.2 command description ......... 6.1 INFO............1.3 Interface ........... 1.10 key emulation ..........3.28 Illegal parameter value (-224) ..... 9.10 LEVEL ............1.3 Impedance - RF outputs ......6.25 LF ...............1.6 Import/Export - LOCAL ............1.2...
  • Page 347 Index R&S SMC100A Level Power Sensors ......... 4.52 0...9 .............1.3 RF output.......... 4.58,6.74 Enter............1.4 Step width......... 4.59,6.79 abc ..............1.3 Uninterrupted setting ......4.58,6.23 Arrow keys ..........1.5 Unit ............4.56 BACKSPACE ..........1.3 adjustment..........6.10 CLOSE ............1.7 control..........4.61,6.73 combinations ..........3.27 display ............3.6 dBRV ............1.4...
  • Page 348 R&S SMC100A Index MAC Address - Setup ......4.18,6.112 Network card..........1.21 Maintenance ..........8.1 Network Settings......... 4.17 Mantissa ............5.16 No current list (241) ........9.20 Manual control switch-over......4.33 No error (0) ..........9.11 Manual operation - return to ....5.3,5.8 No-load voltage (EMF)........ 4.61 Manual remote control.........1.24...
  • Page 349 Index R&S SMC100A Phase - RF output signal .....4.47,6.70 Question............5.18 PhiM Queue overflow (-350) ........ 9.13 Deviation ........4.94,6.71,6.72 Quotation marks.......... 5.18 External Coupling......4.94,6.71 Frequency .........4.95,6.58 Rear panel ............ 1.8 Sensitivity ..........4.94,6.72 AC supply ........... 1.9 Source..........4.93,6.72 Fuses............1.9 State ..........4.93,6.72 IEC/IEEE bus Interface ......
  • Page 350 R&S SMC100A Index Remote control Screen Saver - Setup ......4.21,6.14 basics ............5.1 Search Once - ALC ......4.63,6.74 switchover ...........5.2 Select ASCII Remote to local switchover......5.2 Destination - User Correction data... 4.70 Rename ........4.32,4.40,6.22 Source - User Correction data ....4.70 Reset Select Operation - File menu ....
  • Page 351 Index R&S SMC100A Source Status AM.............4.89,6.37 register overview ........5.25 FM .............4.91,6.50 reporting system........5.24 Import/Export- reporting system - commands....6.99 User Correction data....4.70,6.47 STB (status byte) ........5.26 Level Sweep Trigger .......4.82,6.122 Step Level Sweep ....... 4.86,6.98 LF Sweep Trigger ......4.101,6.120 Step Lin PhiM ............4.93...
  • Page 352 Ultr@VNC ............1.24 Undefined header (-113)......9.16 Zero - Power Sensors ......4.53,6.35 Uninterrupted level setting....4.58,6.23 Unit - Power Sensors......4.52,6.28 99 Washington Street Melrose, MA 02176 Phone 781-665-1400 Toll Free 1-800-517-8431 Visit us at www.TestEquipmentDepot.com Back to the Rohde&Schwarz SMC100A Page 1411.4060.32 10.19...

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