Perfect arrangement. There is a very nice review of grounded screen
designs, including the pros and cons in Sabin's "Single Sideband Systems and
Circuits" book (an excellent book which everyone should own).
Sincerely,
Dr. William J. Schmidt, II K9HZ
Trustee of the North American QRO - Central Division Club - K9ZC
Email: bill@wjschmidt.com
WebPage: www.wjschmidt.com
"It's not what you take with you... but what you leave behind that counts.
Live each day as if it were your last."
----- Original Message -----
From: "Shawn Tayler" <amps@xmtservices.net>
To: "Amps Amps" <amps@contesting.com>
Sent: Sunday, November 06, 2005 10:12 PM
Subject: [Amps] Grounded Screen 4CX1500B
> Hi Guys,
>
> Playing with my 30S-1 has gotten me thinking about a project. I've been
> wanting an amp for 50Mhz for a while and I have 2 4CX1500B's lating around
> as spares. One would make a nice amp on 6M and I think I'd like to do the
> grounded screen arrangement like the 30S-1.
>
> Could any of you comment on the pros and cons? The PS arrangement seems
> unusual to me with the plate supply return on the groud ie. screen and the
> cathode return appearing to go through the bias and screen supplies. I'm
> sure I'm mis reading it. IIRC the Continental 816 I maintained so years
> back was of a similar arrangement, 4CX15000A. But the plate screen and
> grid supplies returned directly through the cathode with all kinds of
> bypassing.
>
> Comments?
>
> Shawn
> N7LQ
>
> --
> Mitchell's Law of Committees:
> Any simple problem can be made insoluble if enough meetings are
> held to discuss it.
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