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Re: [Discuss-gnuradio] atsc_cpll finally works

From: Eric Blossom
Subject: Re: [Discuss-gnuradio] atsc_cpll finally works
Date: Sun, 25 May 2008 11:53:02 -0700
User-agent: Mutt/1.5.17 (2007-11-01)

On Sat, May 24, 2008 at 09:13:13PM -0400, Achilleas Anastasopoulos wrote:
> Chuck, Eric,
> I think there is a way to perform the cPLL at 8 complex Msps and upsample 
> to 16Msps only at the very end when you want to get the Real signal out for 
> further processing. I believe this works (i didn't see any point where 
> there is a possibility for aliasing) and it can result in some savings in 
> complexity without sacrifising performance.
> Hopefully I didn't miss anything big...
> Take a look at the block diagram here:
> http://www.eecs.umich.edu/~anastas/gnuradio/pll.png
> Achilleas



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