Re: [Amps] Outgassing tubes.

[Peter Chadwick]

G3SEK said:

>The releases of gas from structural materials are big enough to cause an 
arc when they happen, but are often small enough to be removed by the 
chemical gettering action (which is built into most transmitting tubes 
even if you don't know it).>

The tantalum anode (as used in the 35T and the like) absorbs gas when it gets hot. Whish is why tantalum anode tubes would run with a white hot plate.

73

Peter G3RZP