The SG500 has that all.
For decoding the band voltage of an Icom rig like the 706 the Top Ten
Banddecoders come in handy.
See my mobile 500 watt HF setup at: http://www.qsl.net/pa3duv
Best regards, Dick PA3DUV
----- Original Message -----
From: "Phil Clements" <philk5pc@tyler.net>
To: <amps@contesting.com>; "Jim Strohm" <jstrohm@texas.net>
Sent: Friday, April 19, 2002 13:19
Subject: Re: [Amps] Solid State HF amps and kits
> > I'd like to think it's possible to develop an affordable desktop
kilowatt
> > transceiver with output bandpass filtering that tracks the VFO and tunes
> > after keydown and before transmission -- but come on, how many of us
have
> > "pounced" on a DX station when the band magically quieted for 150 ms?
>
> It is very possible, you only have to switch six times or less to cover
160-10m.
> These low pass filters are very broad...six gives continuous coverage from
> 1.8 to 30 mhz.
>
> As far back as the old Magnus Metron amp, remote relay band switching has
> been available, as is on the Henry line of S.S. amps. I once owned a 1kw
> Collins S.S. amp that had vacuum relays in the output filters. (gov.
surplus)
> The thing was good for full QSK, even with digital modes. with automatic
band
> switching. The down-side was that it used Motorola transistors (8) in the
final
> that were built especially for Collins and were no longer available except
> through
> Collins/Rockwell at big-time prices.
>
> (((73)))
> Phil, K5PC
>
>
>
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