[Amps] "Tubes 201" - How Vacuum Tubes Really Work

["Will Matney" <craxd1@verizon.net>]

Pay close attention when reading this about the only possible way a control 
grid could become positive. It's under the portion about how a triode works. 
The control grid has to be heated hot enough to emit electrons. Under normal 
operation, a tube will be at cathode potential Vg = OV, or under Vg = -10 Vdc, 
etc. This is a very long article, but a good one.

"Tubes 201" - How Vacuum Tubes Really Work;

http://www.john-a-harper.com/tubes201/

Best,

Will

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