Class AB amplifier and a distortion corrector therefor

Details Class AB amplifier and a distortion corrector therefor Class AB amplifier and a distortion corrector therefor

1986-01-27

1987-07-21

Mullins, James B.

Amplifiers

Hum or noise or distortion bucking introduced into signal...

358 35, 358184, H03F 132

Patent

active

046821198

ABSTRACT:
A class AB amplifier and its distortion corrector are provided for obtaining linear amplification, even for low input signal levels. For this, at low levels, the distortion corrector has a response Vs'=f(Ve') (with Ve' and Vs': input and output voltages of the corrector) whose representative curve has a concavity turned towards the increasing values of Vs' whereas, up to now, a prejudice born of an insufficiently precise study of class AB amplifiers led to an inverse curve for the response of the corrector.

REFERENCES:
patent: 3042867 (1962-07-01), Thompson
patent: 3564445 (1971-02-01), Brokaw
patent: 4152665 (1979-05-01), Cunningham
patent: 4178559 (1979-12-01), Nichols

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