[AMRadio] Transistor BFO


Brett Gazdzinski Brett.Gazdzinski at verizon.net
Thu Oct 30 17:59:44 EST 2008


I used a 455 KHz crystal, no drift.
I use it to help zero the receiver onto an AM signal.
I have a pot in the screen that enables me to adjust the level from nothing 
to maximum...

Brett

----- Original Message ----- 
From: <sbjohnston at aol.com>
To: <glowbugs at piobaire.mines.uidaho.edu>; <amradio at mailman.qth.net>
Sent: Tuesday, October 28, 2008 9:49 PM
Subject: [AMRadio] Transistor BFO


>
> My popular request, here's the circuit for the ~455 kHz transistor BFO I 
> mentioned...
>
> http://www.wd8das.net/BFO.jpg
>
> fresh off the drawing board, er, PC.
>
>
> Steve WD8DAS
>
> sbjohnston at aol.com
> http://www.wd8das.net/
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