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[AMPS] Cathode Impedance Measurements

To: <amps@contesting.com>
Subject: [AMPS] Cathode Impedance Measurements
From: measures@vc.net (Rich Measures)
Date: Mon, 29 Mar 1999 07:31:42 -0800


>
>>Set C-in for a Q of c.2/XC-in=25-ohms for each band, adj. L and C-out for a
>>match,  adj. C-in if needed, measure L and C-out, replace with fixed values. 
 
>
>Do it on 28MHz, and you can calculate pretty accurately the figures for the
>lower bands: the trim up if needed.

?  Why not cut to the chase?
>
>       >?   To make the feed Z high, a lower Mu triode could be used?  
>
>Starts to take away the advantage of g-g zero bias, though, doesn't it? 

?  Yes.  However, this is mere trifle compared to the prospect of trying 
to develop the needed much more RF potential across the cathode of a 
low-Mu triode.  

-  later, Peter


Rich...

R. L. Measures, 805-386-3734, AG6K, www.vcnet.com/measures  


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