[Amps] 4-400A Plate

To:	<amps@contesting.com>
Subject:	[Amps] 4-400A Plate
From:	Peter.Chadwick@zarlink.com (Peter Chadwick)
Date:	Mon, 11 Nov 2002 15:24:00 -0000

Mark said:

>What is the use of the "glow" ??? Just wated energy :)

In the case of a tantalum anode tube, the glow means that the plate is hot
enough to absorb gas - a few metals have this property - so tantalum anode tubes
are meant to be run so hot.

In any case, there's no more waste of energy than in a tube running at the same
efficiency and RF output with no glow.

73

Peter G3RZP

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