[AMRadio] AM Amps

CHRIS PAPAIOANNOU amateur at ipnet.gr
Wed Jan 12 01:51:23 EST 2005

The article it's in my hands Geoff,
seems very interesting by the first look.But didn't read it with care!
Thanks anyway for your contribution on the mode with the article.To all them
who are listed headline on the article!
Chris SV1DAF.
----- Original Message -----
From: "Geoff" <w5omr at w5omr.shacknet.nu>
To: "Discussion of AM Radio" <amradio at mailman.qth.net>
Sent: Tuesday, January 11, 2005 7:26 AM
Subject: Re: [AMRadio] AM Amps

> Gary Blau wrote:
> > Although both of these will serve to reduce the drive power and get you
> > on the air, they are less than optimal.
> >
> > The problem with reducing the B+ is the max PEP goes with it.  You'll
> > want to preserve that for positive modulation peaks.  As Gary Schafer
> > sez you want to keep the driver PEP up to where the amp needs it for
> > full output, as long as the plate dissipation is not exceeded during
> > dead carrier.  Better to keep the plate hi and pull back the screen V.
> I don't think that's what happens.
> http://w5omr.shacknet.nu/~wa5bxo/asyam/Amplitude%20Modulation.htm
> That's a great read.  Everyone -should- read that.
> 73 = Best Regards,
> -Geoff/W5OMR
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