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Re: [Discuss-gnuradio] Amateur television ATV

From: Lamar Owen
Subject: Re: [Discuss-gnuradio] Amateur television ATV
Date: Thu, 27 Apr 2006 12:45:44 -0400
User-agent: KMail/1.9.1

On Wednesday 26 April 2006 16:25, Matt Ettus wrote:
> Lamar Owen wrote:
> > If it's true DSB AM, then just tune to one side, filtering out one
> > sideband, and treat it as single sideband.  Would want to watch out for
> > aliasing, of course, from the rejected sideband.  Unless you're real
> > good, and set it so that the aliased sideband folds into the passband
> > perfectly... :-)  the sidebands are, after all, identical in AM.

> If you do what I suggested you don't have to tune exactly because you
> can do an AM detection.

Sure; there's the tradeoff of exactness of tuning versus received bandwidth.  
Depends entirely on which is more important, and which is simpler to 
Lamar Owen
Director of Information Technology
Pisgah Astronomical Research Institute
1 PARI Drive
Rosman, NC  28772

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