how to read resolution, video BW of spectrum analyzer using labview?

[Sim5]

Hello Everyone,

  I am using R&S spectrum analyzer and its drivers like ResSpecAn, I want to read Resolution BW , Video BW and Time sweep. So how can get these values.

Thanks so much...

Pallavi 

[Albert.Geven]

Hi

Functions for these values do exist in the driver.

Send your first program and ask more specific what does not work

[Sim5]

Hello,

I am attaching pic of my .vi file... I dont have problem in that but i wish to take reading of Power spectrum density and resolution bandwidth, vidoe bandwidth using these drivers, SO how to do that... do you have any Idea?

Thanks so much... 

[Albert.Geven]

Hi

This vi shows one of the reasons that I prefer the old control and indicator view on the block diagram and don't like icons view.

Why don't you post your vi like I asked.

Now I only see half of it and cannot check wether your select and result vi's are running at the same time as your other read function.

[Sim5]

Sorry Albert,

Ok i am sending you my vi, in which i which to calculate following things:

1.Channel Power

2.Ferq spectrum

3.Start freq

4.Stop feq

5.Resolution BW

6.Video BAndwidth

7.PSD for various frequecies.

   Out of which i am unable to calculate PSD, Resolution BW, Video BW

 Thanks so much and sorry once again

Pallavi 

[Sim5]

Hi,

i am attaching all the reading's file which i supposed to take... So it will be help for you understand. The file contain all the data which i need to read from spectrum analyzer FSP-03 and drivers which i am using is RsSpecAn.

thanks so much

Pallavi 

[Albert.Geven]

HI Pallavi

Indeed the vi for reading the bandwidth is not available and reading through the manual does not give a clue.

I don't have an instrument available right now but You could try the following command

use a visa write routine with the instrument handle directly followed (connect the error in error out) by a visa read of about 100 characters.

the command to send would be something like "SENSe1:BANDwidth:RESolution?"

without the quotes but with the question mark.

I found this command in the 

C:\Program Files\National Instruments\LabVIEW 8.5\instr.lib\rsspecan\Receiver\Configuration\Scan\rsspecan Configure Scan Table Resolution Bandwidth.vi

double click on the vi in this block diagram and wait until the load of the crazy express vi is finished.

in the right window you see the command to be send to set the  resolution bandwidth.

normally in scpi a question mark retuirns the value instead of setting it, but the test is up to you.

use this same method for other parameters that were forgotten by R&S

good luck 

[Jiri_Kominek]

Dear Pallavi,

please read the driver's documentation: http://www2.rohde-schwarz.com/file_11465/rsspecan_note.pdf

Hope it helps,

Jiri

[Sim5]

@Jiri,

  I have gone through that document before but there they have not mentioned how to calculate resolution, video BW and PSD...

Pallavi 

[Sim5]

@Albert,

Thanks so much........ I will try and i will let you know.

Pallavi