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Re: [Discuss-gnuradio] How to modify freq deviation in a FM radio?????


From: nansai hu
Subject: Re: [Discuss-gnuradio] How to modify freq deviation in a FM radio?????
Date: Wed, 28 Oct 2009 14:24:54 -0400

Agilent4440
RBW=3Hz
span=1Mhz
center freq= USRP freq

2009/10/28 Josh Blum <address@hidden>


nansai hu wrote:
Yes,this seems work.but the intention is get a radio.So, I use a USRP source
instead FFT sink and observe in Spectrum Analyzer and it still doesn't work.

I think the only different is I use a usrp as CF to put baseband FM signal
to RF because Spectrum Analyzer quite like FFT sink.


Whats the resolution bandwidth on your spectrum analyzer set to? Perhaps its not set fine/small enough?

-Josh


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