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[AMPS] Bird meters

To: <amps@contesting.com>
Subject: [AMPS] Bird meters
From: philk5pc@tyler.net (Phil Clements)
Date: Mon, 2 Oct 2000 09:33:30 -0500
> With Bird replacement meters at $70a pop, I'm hoping that a rescaled
> conventional meter and an op amp to drive it will do, with a copy of the Bird
> scale attached to the meter - I have a '2 holer' pick up line, and want the
> meters to make a pwr/SWR meter to rack mount in the antenna tuner/switch rack.
>
> 73
>
> Peter G3RZP

Hi Peter,
Henry has done this for years on their RF generators. They use a dual Bird
line section with op-amp driven 100 ua meters.  The meter readings are accurate
and linear. No need for special scale.

(((73)))
Phil, K5PC




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