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Tubes Asylum Questions about tubes and gear that glows. FAQ |
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Tubes Asylum Questions about tubes and gear that glows. FAQ |
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In Reply to: Tubes as electron source? posted by Pelican on March 28, 2006 at 19:16:46:
The standard barium oxide cathode will be destroyed beyond use when exposed to atmospher, whether hot or cold. It will not survive the transplant you suggest.If you want to transplant a cathode you will need a "dispenser" cathode. This type of cathode will servive exposure to atmospher. You can find this type of cathode in some pulse magnetrons, but it will be cylindrical.
Can you use a planar triode? Or do you need a loose cathode and grid assembly? Check out the following emitter sources:
Heatwave Labs at www.cathode.com
Semicon Associates at www.semiconassociates.com
Good luck,
Peter
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Follow Ups
- Re: Tubes as electron source? - beermanpete@socal.rr.com 19:52:02 04/03/06 (0)
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