[Top][All Lists]
[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]
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
Thanks!
Eric