In Reply to: RE: Type 10 grid resistance values posted by vetmedrobert@gmail.com on October 23, 2016 at 14:12:20:
It doesn't matter whether a negative voltage is applied to the grid or a positive voltage to the cathode, anything other then self-bias with a cathode bias resistor is fixed bias. This is the "most severe" scenario Paul described. If you believe RCA, no more than 10K should be used at the grid.
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Follow Ups
- Isn't filament bias the same as fixed bias? - Triode_Kingdom 15:47:32 10/23/16 (1)
- Yes (nt) - Paul Joppa 19:56:10 10/23/16 (0)