[AMRadio] Keying a Gates BC-1?

Bob Login jlogin at mindspring.com
Mon Apr 18 17:27:08 EDT 2005

Hi Dave,
I wrote an article on a BC1T with a diagram for the control circuit. It was 
published in ER about 2-3 yrs ago.
I used the BC1T for 2yrs before being forced to sell because of a move....73 
Bob, AA8A
----- Original Message ----- 
From: "DAVID AABYE" <w4qcu at prodigy.net>
To: <amradio at mailman.qth.net>
Sent: Monday, April 18, 2005 5:18 AM
Subject: [AMRadio] Keying a Gates BC-1?

> Greetings Heavy Metal Enthusiasts,
> I'm trying to determine how best to place the
> oscillator in standby during periods of receive.
> I have two main concerns.  One is protection of the
> 833's if plate voltage is applied without drive.  The
> second is avoiding excessive cathode-to-filament
> voltage in the 807 audio drivers (cathode followers).
> Perhaps both worries are more imagined than real?
> Anyway, please share your experiences.  Any advice
> will be much appreciated.
> 73 de Dave, W4QCU
> Oak Ridge, TN
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