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Generating & Measuring a Pulsed Signal - RF Cafe Forums

The original RF Cafe Forums were shut down in late 2012 due to maintenance issues. Original posts:

Amateur Radio | Antennas | Circuits & Components | Systems | Test & Measurement


Yariv3G
 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

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Jimbo Bretney
 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

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Posted  11/12/2012

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