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Re: [Amps] Tuned input board on SB-220

To: amps@contesting.com
Subject: Re: [Amps] Tuned input board on SB-220
From: Bob Nielsen <nielsen@oz.net>
Date: Wed, 22 Mar 2006 19:45:06 -0800
List-post: <mailto:amps@contesting.com>
On Mar 22, 2006, at 6:39 PM, Ed Dial wrote:

>
> Gentlemen,
>
> I need opinions from the experts that live here. I have an SB-220
> that does an excellent job on the pre-WARC bands, however it doesn't
> like 12 and 17 meters very well, thanks to the tuned input circuit
> from what I understand. I noticed that the good folks at LDG
> Electronics is now selling a stripped version of their AT-100
> autotuner as the AT-100AMP, marketed as an RF amplifier tuned input
> board for homebrews and the like. My question is, could this board be
> fitted into the SB-220 without much pain? Would this solve the WARC  
> problem?
>
> If so, would it work in the SB-200 as well? I have no clue with 572s.
>

My SB-200 works fine on 12 and 17 meters as-is.  I haven't checked  
the input VSWR, but the tuner of my TS-570D will handle it.

Bob, N7XY

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