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Re: [Amps] 572B bias FL2100

To: Tom W8JI <w8ji@w8ji.com>,Ian White GM3SEK <gm3sek@ifwtech.co.uk>, amps@contesting.com
Subject: Re: [Amps] 572B bias FL2100
From: Peter Chadwick <g3rzp@g3rzp.wanadoo.co.uk>
Reply-to: g3rzp@g3rzp.wanadoo.co.uk
Date: Tue, 12 Sep 2006 09:28:14 +0200 (CEST)
List-post: <mailto:amps@contesting.com>
Tom said:
>the worse 
neutralization system I've ever seen in an HF amplifier. 
It's a capacitor from the loading cap to the filament of the 
tube!<
I would have thought with my simple mind that is more likely to make a power 
oscillator. But it will be highly load dependent, especially on load reactance. 
What were they thinking about? Or did they only ever load into a good 50 ohms?
73
Peter G3RZP
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