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[AMPS] triode input impedance

To: <>
Subject: [AMPS] triode input impedance
From: (km1h @
Date: Wed, 25 Mar 1998 17:41:08 EST
On Wed, 25 Mar 1998 17:08:00 -0500 "Dick Hanson" <>
>I don't wish to enter this fracas, but I would point out a piece of
>"free-ware" available from KD9JQ's web site that quickly calculates 
>parameter as well as a number of others. For those of you who may be
>interested in this software (about 110K), it may be seen and or 
>at Some of the experts may sniff at the prospect 
>being able to design triode amps, quickly, from a menu of tubes, but 
>you may
>want to check it out before rejecting it. It sure has come in handy 
>for me,
>a non-engineer who just enjoys building amps.
>Dick Hanson, K5AND   (ex N4HSM)      EM74
>7540 Williamsburg Dr.
>Cumming, Ga     3004

I have used that AND its predecessors for years Dick. They are limited to
tube types but they do work . A problem many have is understanding that
once built they must still be tuned...this aint Plug-n-Play.

73  Carl  KM1H

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