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Re: [Discuss-gnuradio] Differences in Signal Spectra between Daughterca

From: Johnathan Corgan
Subject: Re: [Discuss-gnuradio] Differences in Signal Spectra between Daughtercards
Date: Mon, 11 Jan 2010 09:59:40 -0800

On Mon, Jan 11, 2010 at 08:58, Thomas <address@hidden> wrote:

> I'm curious why the spectra of signals received with the TVRX seem to be more 
> spread out than with the DBSRX. An example is shown in the link below. The 
> upper plot is from the TVRX, and the lower plot is from the DBSRX. This 
> signal happens to be an ATSC carrier. Both daughtercards are tuned the same 
> frequency, and the FFT parameters and so forth are identical.

It looks like the gain on the TVRX board is set too high.


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