[Amps] [BULK]Re: [BULK]Re: cathode to ground in tetrode amp

Jim Tonne tonne at comcast.net
Mon Jan 30 21:27:33 EST 2006




Subject: Re: [Amps] [BULK]Re: [BULK]Re: cathode to ground in tetrode amp

The 22 uH and 1000 pF in the grid peaks at 1 MHz and rolls off at 12 dB
per octave after that.

Can anyone tell me why they put a 12K resistor from screen to ground?
Its on the load side of the screen current meter.  Perhaps negative screen
current sometimes?

-JT




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