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Re: [Amps] twin 4CX-10 000D amplifier: multiple tubes

To: PA3DUV <pa3duv@planet.nl>
Subject: Re: [Amps] twin 4CX-10 000D amplifier: multiple tubes
From: R L Measures <r@somis.org>
Date: Mon, 29 May 2006 13:02:43 -0700
List-post: <mailto:amps@contesting.com>
Not directly-grounding the screen collet of a 4cx10,000D is an  
invitation to a squirrel invasion.

On May 28, 2006, at 1:06 PM, PA3DUV wrote:

> Gentlemen,
>
> For those interested in the design of HF power amplifiers this web  
> page might be of interest:
>
> http://66.249.93.104/translate_c?hl=en&ie=UTF-8&oe=UTF-8&langpair=ja 
> %7Cen&u=http://www.iizuka-net.ne.jp/~bear-el/10000d-2&prev=/ 
> language_tools
>
> or without the translator:
>
> http://ns.iizuka-net.ne.jp/~bear-el/10000d-2/
>
> This single band 7 MHz amp for amateur usage is conservatively  
> rated at 20 kW output. Exciter is an Icom IC7800.
> According to the builder of the amp is does 20 kW out without  
> abnormal blower noise levels or a burning smell from the RF deck. A  
> 30 kVA 3 phase power supply is used, generating an unloaded B+ of 8  
> kV DC.
>
> Cheers, Dick
> PA3DUV
>
> _______________________________________________
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> Amps@contesting.com
> http://lists.contesting.com/mailman/listinfo/amps
>

R L MEASURES, AG6K. 805-386-3734
r@somis.org



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