[AMPS] Re: amp input tuned circuits

[w8jitom@postoffice.worldnet.att.net]

> From:          morel grunberg <morel@shani.net>
> Reply-to:      morel@shani.net
> To:            gdaught6@leland.Stanford.EDU
> Cc:            amps@contesting.com, john.devoldere@innet.be
> Subject:       [AMPS] Re: amp input tuned circuits
> Date:          Fri, 9 May 97 22:59:05 +0000

> Hi,again
> 
> When the cable between exciter to amplifier is longer
> than 30-50cm, a tuned input will always help for both
> configurations

Not in a grid driven AB1 PA Morel. In that case, the tuned input 
makes no difference at all.

Only in cathode driven AB or shorter conduction angle PA,  or grid 
driven non-swamped AB2 PA, does a resonant grid affect performance. 

73, Tom W8JI 

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