I dont follow your statement Peter or is it a language problem again? (;
Tom repeatedly bashes the super cathode circuit and Bill Orr in particular.
Yet you say it suggests excellent IMD re: Pappenfus.
Carl
KM1H
----- Original Message -----
From: "Peter Chadwick" <g3rzp@g3rzp.wanadoo.co.uk>
To: <amps@contesting.com>
Sent: Thursday, September 27, 2007 2:43 PM
Subject: Re: [Amps] New SB-200 owner
> K1KP tells me:
>
> ..>.the KWS-1 *does* have negative feedback, where a portion of the PA
> output
> is fed back to the driver cathode...<
> Tnx Tony. sri, my mistake.
> Pappenfus suggests that super cathode driven operation works well with the
> 4CX1000 and the 4CX250, allowing very good IMD. The circuit is of course
> similar to the 'neutralised, not directly grounded grid triode circuit'
> that Tom has told us about. Before the flames start, please note that
> this is amother area where I do NOT disagree with Tom.
> Despite the fact that I fail to believe that us heretics who don't believe
> in nichrome will actually burn in hell for eternity!
> 73
> Peter G3RZP
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>
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