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Re: [Discuss-gnuradio] sine output between packets

From: Tom Rondeau
Subject: Re: [Discuss-gnuradio] sine output between packets
Date: Mon, 26 Sep 2011 08:36:05 -0400

On Sun, Sep 25, 2011 at 8:07 AM, Brett L. Trotter <address@hidden> wrote:
It seems my old patch that zeroed out the output of the USRP didn't make
it into UHD- we're seeing a constant sine output between packets- and in
our case this messes with the receiver unless we use some custom TX
cards that have an amp we can shut down with ATR.

Is there any way to fix this?

I've never noticed this with my work with the UHD. There are various commands issued to the USRPs to turn it on and shut it off between bursts. Maybe there's something missing in the gr-uhd.

On the other hand, Josh and Nick have been working on using tags with gr-uhd on the transmit side, which should fix your problem.

Any comments from the UHD folks?


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