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Re: [Amps] Two quick loading questions

To: George KB2Z <Thermionic_Emission@earthlink.net>
Subject: Re: [Amps] Two quick loading questions
From: R.Measures <r@somis.org>
Date: Wed, 9 Feb 2005 18:00:07 -0800
List-post: <mailto:amps@contesting.com>
Tuning for max P-out with max-drive is more important than looking for a dip.

On Feb 9, 2005, at 12:39 PM, George KB2Z wrote:

I'm sure I'm not the first to ask. I have searched in the archives and did not find a solid answer. I apologize up front and am not trying to waste anyones time. The directions from different manufacturers dont seem to answer one way.
As I read the loading instructions for gg hf amps, (2x3-500) they should be fully loaded at full power then the loading increased 5 to 10% to lower the Ig and help stabilize the output. This seems to be where it gets confusing for me.


1) After increasing the loading 5 to 10%, should the plate be re-dipped?
2) If drive is reduced from 100 to 50W, should the plate be re-dipped.


Thanks in advance, George KB2Z

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Richard L. Measures, AG6K, 805.386.3734. www.somis.org


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