[AMPS] pulse rated tube differences

[hamradio@emerald.oz.net (Randy Stegemeyer)]

Skip:
     You can get some info at:

http://www.SignalONE.com/vactubes/eimac/tubedata/8166-4-1000Am.JPG
and
http://www.SignalONE.com/vactubes/eimac/tubedata/8189-4PR1000Am.JPG

de Randy, W7HR  <hamradio@oz.net>


> 
> Hello all,
> 
> Do any of you know where I can locate information on the differences
> between a pulse rated tube and the equiv "normal tube.  What is done to
> the tube to make it pulse rated?
> 
> An example I have:   4-1000  vs a 4PR1000
> 
> Any information you can provide would be helpfull.

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