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[Discuss-gnuradio] RF front end

From: Tanner Lovelace
Subject: [Discuss-gnuradio] RF front end
Date: 10 Jan 2003 17:30:04 -0500

On Fri, 2003-01-10 at 13:06, Eric Blossom wrote:
> (1) RF Hardware design: to make GNU radio more accessable for those
> without high speed A/D hardware, we'd like one of you RF guys to
> design a simple RF front end that could be directly hooked to one of
> the "HiFi" 96 KHz sampling rate sound cards.  Please make it simple
> and buildable out of things that anybody can order from mini-circuits,
> digikey, etc.  The idea is not to build the greatest piece of RF
> hardware ever, but to build something minimalist that actually works.
> Perhaps a basic 2M or 70cm downconverter.

So, basically you're looking for something that takes in RF at,
say 2m or 70cm, and then converts it to an intermediate frequency
that could be fed directly into a sound card?  Oh, and make
it easy for the random hobbyist to build. :-)  

Would something like the front end of the DSP-10 (see the articles
at http://www.arrl.org/tis/info/sdr.html) be similar to what you're
looking for?  TAPR produced a kit for that
(http://www.tapr.org/tapr/html/Fdsp10.html), perhaps they could be
persuaded to help with this too. :-)

Tanner Lovelace
Tanner Lovelace | lovelace(at)wayfarer.org | http://wtl.wayfarer.org/
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