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generating & measuring a pulsed signal - RF Cafe Forums

Because of the high maintenance needed to monitor and filter spammers from the RF Cafe Forums, I decided that it would be best to just archive the pages to make all the good information posted in the past available for review. It is unfortunate that the scumbags of the world ruin an otherwise useful venue for people wanting to exchanged useful ideas and views. It seems that the more formal social media like Facebook pretty much dominate this kind of venue anymore anyway, so if you would like to post something on RF Cafe's Facebook page, please do.

Below are all of the forum threads, including all the responses to the original posts.


 Post subject: generating & measuring a pulsed signal
Posted: Sun Apr 22, 2007 11:24 am 
 
Captain

Joined: Mon Apr 03, 2006 4:06 am
Posts: 8
Hi,
I would like to generate Pulsed signal with Duty Cycle from 0.1 %- 30%; Pulse repition Itervall(PRI) from 10usec-100msec; On to Off rejection 70dB min; Rise/fall time 20 ns max.
I know that a normal Vector Signal cannot perform it rather through its Arbritrary Inputs, so we have to do it in MATLAB/LabView etc.

How can I make sure that I see it on a Spectrum Analyzer at zero span?
Do I have to switch to a scope with high sampling rate capabilities?

Thanks
y3G

_________________
R&S RF Application Engineer


 
   
 
 Post subject: Re: generating & measuring a pulsed signal
Posted: Wed Jul 11, 2007 3:36 am 
 
Lieutenant
User avatar

Joined: Wed Jul 11, 2007 3:22 am
Posts: 2
Location: Sierra Vista
Yariv3G wrote:
Hi,
I would like to generate Pulsed signal with Duty Cycle from 0.1 %- 30%; Pulse repition Itervall(PRI) from 10usec-100msec; On to Off rejection 70dB min; Rise/fall time 20 ns max.
I know that a normal Vector Signal cannot perform it rather through its Arbritrary Inputs, so we have to do it in MATLAB/LabView etc.

How can I make sure that I see it on a Spectrum Analyzer at zero span?
Do I have to switch to a scope with high sampling rate capabilities?

Thanks
y3G


Zero span is easy. Just set your start and stop freqs to the same thing and voila you have zero span. If you have an O-scope, then you don't have to use zero span.

Good luck on the other issues

_________________
Pacem Vobiscum




Posted  11/12/2012
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