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In Reply to: RE: 813 triode connection posted by vinnie2 on April 20, 2017 at 12:23:16
"G3 is the screen grid and connects to ground (or the cathode) when you use the tube as a triode."
I'm sure Tre' meant to say that G3 is the suppressor grid.
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"I'm sure Tre' meant to say that G3 is the suppressor grid."
Yes, I did.
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The so-called g3 in this sort of tube is actually a beam concentrating set of plates. Beam tetrode is the correct term, as the electron concentration has the same sort of effect as hanging a third grid at ground potential, known as the suppressor grid in between the screen grid( g2 ) and the anode.
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