Spam ? - Home Brew DSP Receiver

Bob Bruhns bbruhns at
Tue Dec 5 19:10:19 CST 2006

Amazingly simple.  I understand that switched mixers perform very
well, too.  I'm wondering about a simple way to add gain,
preferably after the mixers.  Probably audio amps optimized for
high-Z input.  Maybe simple FET-input op amps.  But a tuned
preselector would probably work just as well.

  Bob, WA3WDR

----- Original Message ----- 
From: "Richard O'Neill" <richardoneill at>
To: <tacos at>
Sent: Tuesday, December 05, 2006 7:00 PM
Subject: Spam ? - Home Brew DSP Receiver

> A neat little project for indoor Winter evenings.
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