[AMRadio] Keying a Gates BC-1?


Mike Dorworth,K4XM k4xm at arczip.com
Mon Apr 18 18:11:24 EDT 2005


found in ER number 160, September 2002 page 36.. Mike
----- Original Message ----- 
From: "DAVID AABYE" <w4qcu at prodigy.net>
To: "Discussion of AM Radio" <amradio at mailman.qth.net>
Sent: Monday, April 18, 2005 5:49 PM
Subject: Re: [AMRadio] Keying a Gates BC-1?


> Thanks for the reminder, Bob.  I have several years of
> ER and will look for your article. 
> 
> 73 de Dave
> 
> -- Bob  Login <jlogin at mindspring.com> wrote:
> > 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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> > 
> >
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