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Re: [Amps] Westinghouse BC Ammeter QX-37

To: "Tom Cathey" <K1JJ@comcast.net>, <amps@contesting.com>
Subject: Re: [Amps] Westinghouse BC Ammeter QX-37
From: Bill Turner <dezrat1242@ispwest.com>
Date: Mon, 09 Jan 2006 08:44:09 -0800
List-post: <mailto:amps@contesting.com>
ORIGINAL MESSAGE:

At 08:39 AM 1/9/2006, Tom Cathey wrote:
>Speaking of amps, I've started building my new "-55db 3rd order" amp with
>the 4CX-250 class A driver and 4CX-3000 final using 20 db of RF negative
>feedback around this chain.


~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

Ok, point taken, thanks.

One question, though. How exactly does negative feedback reduce IMD? 
Is it by preventing or reducing overdrive or is it something else?

Bill, W6WRT

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