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In Reply to: RE: Neutralization of Miller capacitance posted by sser2 on March 12, 2017 at 13:40:42:
One could think of a [differential] two-stage 2a3 amplifier with overall gain in excess of 100.
Neutralization caps only work cross coupled across a differential stage.
BTW the 7b4 has a mu of 100 but in circuit the stage has a gain of about 55.
In a differential amp, CCS plate loads on the driver tubes would get you a gain of 100 (7b4, 12ax7, etc.) if direct coupled or close to 100 if cap coupled with the largest grid resistors allowed on the output tubes.
Tre'
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Follow Ups
- RE: Neutralization of Miller capacitance - Tre' 16:53:42 03/12/17 (3)
- Grid resistors - sser2 18:04:54 03/12/17 (2)
- RE: Grid resistors - Tre' 19:06:59 03/12/17 (1)
- One more interesting thing - sser2 21:40:03 03/12/17 (0)
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