>
>>...At -6000v, the anode-grid leakage
>>was 0uA. At +4000v anode-grid leakage was 10uA - rapidly increasing at
>>higher potentials.
>>
>>It is my opinion that 8877 s/n HSZ 501 probably died from gold boiling
>>off of the grid.
>
>
>Can someone educate me (and others)? I know very little about power grid
>tubes, although I do know some physics.
>
>What's the physical explanation of this rectification effect -
Loose gold meltballs are repelled from the anode insulator by negative
potential. Positive anode potential attracts gold to the insulator.
cheers, Chuck.
- Rich..., 805.386.3734, www.vcnet.com/measures.
end
--
FAQ on WWW: http://www.contesting.com/FAQ/amps
Submissions: amps@contesting.com
Administrative requests: amps-REQUEST@contesting.com
Problems: owner-amps@contesting.com
|