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[AMPS] Matching Input

To: <amps@contesting.com>
Subject: [AMPS] Matching Input
From: philk5pc@tyler.net (Phil Clements)
Date: Wed, 4 Apr 2001 08:42:59 -0500
Subject: [AMPS] Matching Input


>
> I am building Grounded Grid linear Amplifier with two EIMAC 3-500Z, and
> drive by my "813 exiter", approx 200 watt with 50 ohm load, in 80 meter
> band. I am not using matching input in 3-500Z Amplifier, so drive power
> directly feed to filamen.
>
> When Linear Amp. in stand by mode, my "813 exiter" could be run with 200mA
> plate current (approx 200 watt can be feed to antenna).
>
> But when Linear Amp. switch to be Operated, my "813 exiter" only can be load
> max. 100mA, suppose to be low power output.
>
> What should I do in my 3-500Z amp. so this "813 exiter" could be load
> normally.

Put an attenuator pad between the output of the 813 and the input of the 
3-500Z's.

(((73)))
Phil,K5PC



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