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Re: [Amps] 3000/5000

Subject: Re: [Amps] 3000/5000
From: donroden@hiwaay.net
Date: Wed, 17 Feb 2010 13:42:37 -0600
List-post: <amps@contesting.com">mailto:amps@contesting.com>
Multiple section switches add the possibility of using band specific  
plate rf chokes ....... Yes ???

Don WA4NPL


> Can you imagine building an all band HF amp and what it'd take for a
> tank circuit and band switch?
>
> ##  pretty straight forward Roger.. old news. A model 85/88
> 3 x wafer switch is used.. with all 3 x wafers in parallel for
> more current.  [multi-tech industries]  That's what's used
> on YU-148's  4 x 5's.. etc.
>
> ##  the Emtron DX-4  6 kw amp  uses a model 86  switch,
> with 2 x wafers in parallel.

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