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Re: [Discuss-gnuradio] Differences in Signal Spectra between Daughterca
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From: |
Johnathan Corgan |
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Subject: |
Re: [Discuss-gnuradio] Differences in Signal Spectra between Daughtercards |
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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.
Johnathan