[AMPS] Zener screen supplies

[measures]

>
>Message text written by INTERNET:conrad.farlow@virgin.net
>
>>How did the insects get inside the tubes?<
>
>This must be the troll of all time. Small 4CX tetrodes have EXTERNAL anodes
>and also EXTERNAL screen rings, separated by a few millimetres of ceramic
>insulator. 

€  The Eimac outline drawing for the 4cx250B shows a much longer leakage 
path.  

>In this family of tubes, flashovers commonly occur EXTERNALLY. 
>
€  I have never experienced an external arc,  John.  "A few mm" appears 
to be off by a factor of c. 9.  

cheers

-  Rich..., 805.386.3734, www.vcnet.com/measures.  
end


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