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Re: [Amps] al 80B Need good tuning procedure.

To: "Gudguyham@aol.com" <Gudguyham@aol.com>
Subject: Re: [Amps] al 80B Need good tuning procedure.
From: "Dave Weiss" <davidhweiss@gmail.com>
Date: Mon, 29 Oct 2007 15:01:03 +0000
List-post: <mailto:amps@contesting.com>
Lou:

Thanks.  I will give it a try.

73
Dave K3FT

On 10/29/07, Gudguyham@aol.com <Gudguyham@aol.com> wrote:
>
>  Switch amplifier meter to power output.  Send a carrier of about 20 watts
> from exciter to the amp.  Tune for maximum output with both load and tune.
> Send another 20 watts from exciter to amp, peak load and tune for maximum
> output.  Send another 20 watts and tune for maximum.  Do this until the
> rated plate current is reached or the stated output is reached.  It is
> pretty simple.  You could at the end advance the load until power just drops
> off, that will ensure good IMD.  73 Lou
>
>
>
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