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Re: [Discuss-gnuradio] UHD probe problem

From: mleech
Subject: Re: [Discuss-gnuradio] UHD probe problem
Date: Fri, 18 May 2012 11:06:41 -0400
User-agent: Roundcube Webmail/0.5.1

On Fri, 18 May 2012 09:54:30 -0500, Javier M. Suarez wrote:

Hi List,

I have been working in an example of gnuradio with UHD.
 Here it is the grc:


So, How you can see, I am transmitting a cosine with an specific frequency using UHD source-sink blocks. I hpe to see an aproximation of the cosine signal  with the same frequeny at the receiver

This is the scope at the receiver:


We are obtaining a different frequency in the cosine signal at the receiver. Anyone knows why is this happening?
Am I doing anything wrong?

Thanks in advance.
Javier M.

Frequency offset, most likely.    Depending on which platform you're using, carrier frequency precision is 25PPM or 5PPM.


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