[Top] [All Lists]

Re: [Amps] 2 ways of Gettering...

To: <>, <>
Subject: Re: [Amps] 2 ways of Gettering...
From: "Carl" <>
Date: Tue, 13 Sep 2011 17:32:13 -0400
List-post: <">>
----- Original Message ----- 
From: "John Lyles" <>
To: <>; <>
Sent: Tuesday, September 13, 2011 3:40 PM
Subject: [Amps] 2 ways of Gettering...

> Actually the getter is there all the time and what you are speaking about 
> is how to reactivate the gettering process.
> By heating "some" metallic getters such as coated plates, they attract 
> more ions and molecules of gas in vacuum device. Running the plate with 
> color
> is risky in itself as it may liberate additional molecules from the plate 
> which then have to be absorbed. Some tubes may be
> worsened after this process.

But this doesnt apply to the ham type tubes in service today. A 3-500 doesnt 
outgas at a red color and I havent found any decrease in a hi-pot even after 
an extended bright orange.


Amps mailing list

<Prev in Thread] Current Thread [Next in Thread>