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Re: [Discuss-gnuradio] TVRX2 with USRP1 and serial < 500


From: Mike Jameson
Subject: Re: [Discuss-gnuradio] TVRX2 with USRP1 and serial < 500
Date: Sun, 17 Jul 2011 17:27:27 +0100

Hi Jason,

Rite then time to get soldering! :)

Thanks for your rapid response.

Cheers,

Mike
M0MIK


On 17 July 2011 17:16, Jason Abele <address@hidden> wrote:
On Sun, Jul 17, 2011 at 8:52 AM, Mike Jameson <address@hidden> wrote:
> Hi Guys,
>
> I have just received my shiny new TVRX2 and have been trying to get it to
> work with the UHD and my USRP1 (serial < 500). My DBSRX works fine with this
> setup.
>
> The symptoms look similar to the issue I had with my WBX which I think
> required a non-existent clock on my old USRP1.  I have spurious signals
> drifting across the FFT and there is no intelligible audio from the static.
> This remains unchanged when tuning to super strong pager frequencies and the
> FM broadcast band.
>
> Is there anything I can do to get this beauty working? I am running Ubuntu
> 11.04 x64 with the latest GIT code for the UHD and Gnu Radio.
>

The TVRX2 requires a clock from the USRP, which USRP < 500 do not
provide, same problem as WBX

Someone posted instructions here for adding the necessary clock:

http://gnuradio.org/redmine/projects/gnuradio/wiki/USRPSerialBelow500

Jason


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