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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 13:19:27 -0700
User-agent: Mutt/1.5.18 (2008-05-17)

On Wed, Aug 05, 2009 at 04:03:28PM -0400, Jonathan Coveney wrote:
> I'm using the TVRX, and my goal is to be able to take enough samples to
> listen to two arbitrary frequencies (more than 6MHz apart). Given that the
> bandwidth of the TVRX is 6MHz, I think that means I need 12Msamples/second
> (I can do up to 32?). So for 2, that would mean 24Msamples per
> second...would it be possible to retune the device in between each sample?
> Or would this be impossible?
> Thanks
> -Jonathan

The TVRX takes on the order of 100ms to tune.  If you want two
arbitrary frequencies (more than 6 MHz apart), you'll need two TVRX's.


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