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[AMPS] Feedback path 3-500Z

To: <amps@contesting.com>
Subject: [AMPS] Feedback path 3-500Z
From: 2@vc.net (measures)
Date: Thu, 28 Sep 2000 10:44:37 -0700
>
>The G-P capacitance of a 3-500Z is about 5 pF, not .07pF.
>
>Rich's feedback reactance was off by a factor of about 71, and tiny 
>but not insignificant error.
>
Tom graciously accepts his grid/plate osc. theory as gospel.  

>The correct G-P reactance at a couple hundred kHz is around 150k 
>ohms, not 11 megohms Xc.
>
Meanwhile, no SB-220 owner that I have talked to has observed Mr. Rauch's 
alleged VLF grid-plate oscillation. 

end

-  Rich..., 805.386.3734, www.vcnet.com/measures.  
end


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