Feed-forward amplifier

Details Feed-forward amplifier Feed-forward amplifier

1977-10-31

1979-03-27

Dahl, Lawrence J.

Amplifiers

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

330 69, 330151, 330252, H03F 126

Patent

active

041468449

ABSTRACT:
A high-precision amplifier employs a feed-forward technique to provide a first order correction of amplifier distortion. A second amplifier is utilized to sense the base-to-emitter distortion of a main amplifier and develop an error output which is injected into an output node to provide cancellation of distortion from the output of the main amplifier. The feed-forward distortion-correction technique is particularly applicable to high-precision wideband differential amplifiers; however, the technique may be used in other amplifiers as well.

REFERENCES:
patent: 3944944 (1976-03-01), Ellenbecker

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