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[Amps] MRF150 based 1500 watt amp design/cost

To: <amps@contesting.com>
Subject: [Amps] MRF150 based 1500 watt amp design/cost
From: philk5pc at tyler.net (Phil Clements)
Date: Thu Mar 6 07:54:01 2003
> As long as we're just designing this thing on paper, why wouldn't it make
> sense to design for a 50-ohm output impedance, forget the low pass filters,
> and instead include a low-pass-type autotuner permanently in line as part
> of the amplifier?  Isn't this essentially what Acom does in the 2000A,
> although with tubes?
>
Most designs are 50 ohms in/out.
You need a broad band filter that has a sharp cut-off above the band
in use. Then you can add your antenna tuners etc. after the filter.

(((73)))
Phil K5PC



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