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[AMPS] Impedance of amplifiers

To: <amps@contesting.com>
Subject: [AMPS] Impedance of amplifiers
From: measures@vc.net (Rich Measures)
Date: Sat, 17 Jul 1999 16:44:24 -0700


>
>Tom Rauch wrote:
>
>>Rich Measures wrote:
>>> ?  For c. five years, the ARRL Handbook had the wrong Pi-L tank values - 
>>> -  despite being repeatedly told about the problem.  .
>>
>>Is it easy to explain what is wrong about the values? 
>>
>If we're talking about the same formulae, they were approximations that
>assumed a high loaded Q. They were probably good enough for designing
>output tank circuits, but gave major errors in Q values for cathode
>circuits with deliberately low loaded Qs.

?  As I understand it, there was no error in the formulae, Ian.
.......


Rich...

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


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