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[AMPS] getters

To: <amps@contesting.com>
Subject: [AMPS] getters
From: W8JI@contesting.com (Tom Rauch)
Date: Tue, 17 Oct 2000 16:57:11 -0400

> molecules for the life of the filament emission. Normal hard vacuum tubes
> shouldn't need that.
> 
> K5PRO
> John

Hi John,

Eimac and other large power grid tube manufacturers use gettering 
materials activated by filament heat or anode heat.

Without that, the tubes eventually gas up and fail.

 
73, Tom W8JI
w8ji@contesting.com

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