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Re: [Discuss-gnuradio] How quickly can I retune?

From: Eric Blossom
Subject: Re: [Discuss-gnuradio] How quickly can I retune?
Date: Wed, 5 Aug 2009 14:19:50 -0700
User-agent: Mutt/1.5.18 (2008-05-17)

On Wed, Aug 05, 2009 at 04:40:41PM -0400, Andrew Lutomirski wrote:
> If, however, you want to retune without stopping and restarting
> sampling or having underruns, I know how to do it and can explain /
> send patches (for C++ -- I never bothered implementing the Python
> part).
> In my experience, it takes a second or two before the local oscillator
> on the TVRX really settles down.
> Eric et al: I have some patches to the FPGA code that allow pausing
> sampling for a predetermined number of samples (so you can retune
> without losing track of time) and to improve the DDC startup behavior
> a little (some state was leaking across runs, but I haven't gotten it
> fully fixed).  Want them?



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