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[Amps] Cathode resistor in GG amps

To: <amps@contesting.com>
Subject: [Amps] Cathode resistor in GG amps
From: "Tony Brock-Fisher" <barockteer@aol.com>
Date: Tue, 25 Sep 2007 11:29:10 -0400
List-post: <mailto:amps@contesting.com>
Maybe I can get the ranting/flaming to stop with a distraction:


I've gotten my early AL80 one-lunger to work pretty well, and added many 
protection mods (no, no nichrome involved). One thing I noticed is it has a 27 
ohm resistor (actually 3 x 82 ohm 2 watt) in series with the cathode. I think 
this provides negative feedback, and also increases the required drive for full 
output to 100 watts. Am I correct here? Does it improve linearity? Are there 
any downsides to it?

-Tony, K1KP
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