R&S®FSP - FAQ

Results 31
  • Sending a Remote Control Ccommand Internally

    I need to send a remote control command to the device, but I do not have a PC available to control the device.Can I do this internally with the device itself?Yes, Go to the device's Windows function Open the Windows Explorer Open the C:\Program Files\Rohde&Schwarz\Network Analyzer\Bin folder Execute the iecwin32.exe program Choose the RSIB interface and push the Connect Now button Now you can write

  • Analyzer Remote-Controlled over LAN Interface

    I am developping an application using the FSP. Remote commands are working well using the GPIB interface. Nevertheless, I am not able to use the same commands over the LAN interface (even if the ping command works fine). What do I have to do?Here is a little program in an EXCEL file.Please open ESPI_LAN.XLS and go to EXTRAS - MACROS - Visual Basic Editorto see the program.What you need for remote-controlling

  • How to Connect the Control Cable from the FSP-B10 (ext. Generator Control) to the SMU200A?

    I have a spectrum analyzer with the external generator control option FSP-B10 and I want to connect the control cable to the SMU200A. Which BNC connector on the SMU200A do I have to use for 'Marker', 'Blank' and 'Trigger'?Connect the 'Blank' connector of the cable to the 'User1' connector of the SMU200A.Connect the 'Trigger' connector of the cable to the 'INSTR TRIG' connector of the SMU200A.The 'Marker

  • Marker Demodulation

    How can I use the marker demodulation?The analyzers with audio demodulator and internal speaker (FSP: FSP-B3 required) offer the possibilityto demodulate the signal at the marker position and listen to the demodulated signal using the MARKER DEMOD function. AM and FM demodulation is possible. The MARKER DEMOD function can be used in ZERO SPAN andin normal frequency sweeps.Frequency domain: The sweep

  • Screensaver on Spectrum Analyzers

    The screen of a spectrum analyzer goes black after a certain time. After pressing a key, the instrument's screen recovers. This indicates that the analyzer's screensaver is switched to on state. What can be done to switch the screensaver off? And which keystrokes are necessary to enable the analyzer's screensaver?Checking if screensaver is on or offPress the PRESET keyPress the DISP keyPress CONFIG

  • How to check the internal Calibration Source?

    During calibration I got the error message 'CAL GEN signal low'.How can I check the internal calibration source?You can switch the RF path to the internal calibration source in the SETUP - SERVICE menu(menu for the FSL: SETUP - MORE - SERVICE).The calibration source should be a signal of 128 MHz and -30 dBm (for the FSL 65.8 MHz and -20 dBm).

  • Firmware Rollback

    I want to update my firmware. Can I also roll back the firmware to my old version before firmware update?When the analyzer firmware is updated, the analyzer will boot and operate exactly as before – in some cases even better. But if you want to return to the old version, you can restore the old analyzer firmware by pressing SETUP =>NEXT => FIRMWARE RESTORE.After you have pressed FIRMWARE RESTORE, the

  • How to Measure the Bandwidth of a Transmission Channel

    I have to measure the bandwidth of a filter or transmission channel. How can I do this?In the Spectrum Analyzer mode, you can use several markers and delta markers and findthe bandwidth manually. However, using the "n dB down" marker function is more convenient:"n dB down" activates the temporary markers that are n dB below the active reference marker.They are placed to the left and right of the reference

  • Waiting for Completed Sweep to Read out Trace Data

    How do I know when a sweep is completed? After completion of the sweep, I want to read out the trace via the GPIB.We suggest that you use the Operation Complete bit.The example below shows how the completion of a sweep with a sweep time of 15 seconds is detectedand Trace 1 is read out.FSP: *RSTFSP: SYSTEM:DISPLAY:UPDATE ONFSP: INIT:CONT OFFFSP: SWE:TIME 15FSP: *CLSREM The *OPC command initiates the

  • How to Create a User-Defined PRESET

    How to create a user-defined PRESETTo create your own PRESET, please proceed as follows:- Push the PRESET button.- Make the settings you want for your own PRESET.- Store the setup under a specific name (for example "MYPRESET")on the FSIQx, FSEx, ZVx and ESIBx:- Go to the "RECALL" menu (on the ZVx in the right side menu) and select the setup "MYPRESET" under"AUTO RECALL"on the FSQx, FSUx, FSPx, ESPIx

  • Remote Control: Interaction between TCP/IP Address and Subnet Mask

    I want to remote-control via LAN a device from a PC. The PC and the device have their own TCP/IP addresses, but I get no connection when I use those addresses. Which function does the Subnet Mask have?The controller can establish a connection via LAN in two different ways:It can query its local network to find a device with the defined TCP/IP address or ask a host server to search for a device with

  • State of external reference via remote control

    I have switched to an external reference frequency.How can I check if the frequency is locked via remote control?You can check the state of the external reference frequency with the STATus:QUEStionable:FREQuency registerSTAT:QUES:FREQ:COND?If the reference frequency is not locked, it will return a '2' or a '512'.If everything is OK, it will return a '0'.

  • Transfer Hardcopy from FSP to PC via GPIB

    Is it possible to copy a hardcopy file from the FSP hard disk to the floppy disk of a PC by using GPIB commands?Yes, it is possible to do so. In the following, you will find a BASIC example showing how to copy a hardcopy file from the FSP hard disk to the GPIB controller.10 REM Set the termination EOI20 IEC TERM 130 IEC OUT 20,"SYST:COMM:GPIB:RTER EOI"40 REM Change the hardcopy language to WMF50 IEC

  • Read out FM deviation with GPIB using FS-K7

    I want to use the FS-K7 FM demodulation option at 100 MHz with the FSP, FSU or FSQ.How can I change to the analog demodulation function using GPIB commands, and how can I read out the deviation from the Frequency Modulation Summary display by means of GPIB?It is possible to do that. You will find the GPIB commands in the FSP manual. The example below shows the GPIB sequence you need in order to activate

  • Use of Frequency Counter

    The frequency of my signal can be measured with normal markers, but I want tohave it more accurate. Is there any solution and what is the reason for thelimited accuracy?The frequency resolution of the marker readout is limited by the number of display points on the frequency axis.This limits the accuracy.Especially in the case of large span values, the absolute frequency error can be significant. If

  • IEEE Bus - Dark Screen

    The display is dark when the first IEEE command is sent. How can one change this?Please send: SYSTEM:DISPLAY:UPDATE ON. Please keep in mind that the FSP is much faster on the IEEE bus if the display is not updated.

  • FSx doesn't recognize active probe RT-ZS30

    We have an issue with our FSx and the RT-ZS30 probe: the FSx does not automatically recognize the probeCould you please help us to solve this blocking issue.You can work with the RT-ZS30 connected to the FSx as follows:+ The RT-ZA9 provides an interface between the probe's BNC socket and an N socket and also supplies the probe with the necessary supply voltages via the USB connection. Simply connect

  • Reset the RS-232-C connection

    I control the analyzer via RS-232-C.I perform a single sweep which is triggered by an external trigger. I synchronize to end of sweep with "*OPC?".Sometimes the external trigger does not come and the "*OPC?" command ends in a time-out.After this time-out the RS-232-C connection jams.How can I open the connection again without restarting the analyzer?Please send the command "@DCL" after the time-out

  • Remote Control via RS232

    I want to remote-control my analyzer with LabWindows via RS232. Can you tell me how to proceed because all my trials were in vain. Remote control is successful with GPIB, but I prefer to use RS232.There can be some problems with remote control via RS232:1) Settings in the analyzer - SETUP => GENERA SETUP => COM INTERFACE- The OWNER must be INSTRUMENT. If it is OS, you're not able to remote-controlthe

  • FSP and FS-K3

    Is it possible to use Noise Measurement Software FS-K3 with FSP?Application software FS-K3 (>= version 2.11) can be used together with the FSP.The software runs either on an external PC or directly on the FSP. If the software is operated on the FSP, it is not possible to control additionally an external generator for measurements on frequency-converting DUTs.The settling time in the DEVICE menu of

  • Trace Data Export to File Readable with other Programs

    How can I get the trace data as a file which I can read with another program, e.g. EXCEL?The second submenu of the TRACE menu contains the ASCII FILE EXPORT function. This function generates an ASCII file with the setup and trace data. A description of the file format can be found in the operating manual, Chapter 4, Analyzer Mode, TRACE key.

  • How to use .fsp Files

    I have a .fsp file and cannot read it. What can I do?In .fsp files, instrument settings and related items are stored in an internal proprietary format. This is necessarydue to the complexity of the parameters that define the instrument’s internal settings. It is not possible to convert.fsp files into other files. To document or evaluate measurement results, please reload the file into your spectrumanalyzer

  • Filter

    Which Filter Types can be Selected and how can I see the Filter Curve of the used Filter?In the BW menu, you can find a FILTER TYPE softkey. The FILTER TYPE softkey opens the selection list for different filter types. The filter types are NORMAL, FFT, CHANNEL and RRC:For NORMAL, the resolution bandwidths are implemented by Gaussian filters (3 dB bandwidth) and correspond approximately to the noise

  • Wrong Number of y-values when querying a Trace

    When I query the trace with a certain number of sweep points, I get the wrong number of y-values back.For example, if I set the number of sweep points to 1000, I get 1001 y-values back. So I do not know howto assign the x-values (frequency) to the y-values (level).The number of sweep points can only be set to certain values.The following steps are possible:FSP: 125, 251, 501, 1001, 2001, 4001, 8001

  • How to Measure Noise Power in a Transmission Channel

    How can I measure noise power in a transmission channel, e.g. 1 MHzbandwidth at 1 GHz RF frequency?There are two solutions for measuring noise power in a transmission channel.One solution is the Noise Marker function at the RF with bandwidth correction.The bandwidth correction factor must be calculated as follows:Correction factor = 10x log (bandwidth / 1 Hz)But: If the noise in the channel is not

  • Remote Desktop: How can I see all Analyzer Buttons on the PC Screen?

    I have connected my PC to the analyzer via LAN. The firewall settings are made, I have a remote desktop connection, but I cannot see all buttons of the analyzer on my PC.I even shut down the analyzer function and restarted the analyzer function on the analyzer, but this did not help either.Please do not restart the analyzer function on the analyzer. You must restart it from the PC.Perform the following

  • How can I Update my Analyzer via LAN?

    How can I update my analyzer with embedded WIN XP via LAN?- Open a remote desktop session to the analyzer on your PC- Close the analyzer function on the PC with ALT + F4- Open Start=> Settings => Control Panel => Security Center => Windows Firewall => Exceptions- Enable 'File and Printer Sharing'- Start the Windows Explorer, go to Tools, select 'Map network drive..' and enter '\\<TCP/IP-Address of

  • How can I Switch from Remote to Local State via Remote Control?

    How can I switch from remote to local state via remote control?Using a GPIB connection, you can send a Go To Local (GTL) command.If you use VISA, the command is viGpibControlREN and you have to send the VI_GPIB_REN_DEASSERT_GTLmode.You can also use this solution when you perform programming with drivers.If you use the GPIB driver, you need the GTL command.

  • Self Alignment via remote control via TCP/IP => 'CAL?

    I want to make the Self Alignment via remote control with the command 'CAL?'.Because this takes sometimes a very long time how can I detect the end.In the manual is mentioned to use a SRQ, but this does not work when I use a TCP/IP connectionYes, the SRQ line is a hardware line with the IEEE bus and this does not work with normal TCP/IP. So we cannot use it.Because the calibration command is a query

  • Possibility of Recording GPIB Commands?

    Remote control: Is it possible to record the GPIB commands that the spectrum analyzer receives?Yes, you can activate this feature under:'SETUP' => 'SERVICE' => 'NEXT'' => 'NEXT' => 'COMMAND TRACKING'Then you will get the file 'IEC_CMDS.LOG' with the commands in the folder 'D:\R_S\INSTR\LOG\'.Please deselect the tracking option afterwards by pushing the 'COMMAND TRACKING' button.

  • Restore the Auto Logon Configuration

    Because of a LAN operation I changed the logon name. Now I have changed it back to 'instrument' but I still get a logon window for the password at every boot-up . How can I restore the normal auto logon configuration?In WINDOWS, please click START and RUN (opens 'regedit') and then OK.In the tree on the left-hand side, choose the following:HKEY_LOCAL_MACHINEthen softwarethen Microsoftthen WINDOWS NTthen

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