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Re: [Discuss-gnuradio] RFX2400 intermediate frequency

From: Eric Blossom
Subject: Re: [Discuss-gnuradio] RFX2400 intermediate frequency
Date: Sat, 5 Jun 2010 07:58:59 -0700
User-agent: Mutt/1.5.20 (2009-08-17)

On Sat, Jun 05, 2010 at 07:34:46AM -0700, adib_sairi wrote:
> Mrudula Karve wrote:
> > 
> > I am using RFX2400 daughter board with USRP2.
> > I read on one of the discussion-threads that RFX2400 down-converts to
> > 10Mhz; 
> > 
> about the IF of rfx2400, by referring to the diagram in
> http://gnuradio.org/redmine/wiki/gnuradio/UsrpRfxDiagrams i think it is
> 20Mhz if i am not mistaken. please correct me if i am wrong. may i know
> where do you get the reference which said that it is 10MHz? I really
> interested to see to confrm my understanding.

The IF == 0 Hz.  The RFX boards produce quadrature analog which is
then digitized using two ADC's, one for I and one for Q.


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