Feedbackward distortion compensating circuit

Details Feedbackward distortion compensating circuit Feedbackward distortion compensating circuit

1976-05-05

1977-04-05

Heyman, John S.

Amplifiers

Signal feedback

Combined with control of bias voltage of signal amplifier

328155, 325 65, 330149, H04B 162

Patent

active

040164977

ABSTRACT:
A feedbackward, distortion-compensating circuit suitable for pre- and post-distortion compensation of non-linear amplifying devices. The circuit taps-off a portion of the output signal of the compensating circuit, cubes it, and combines it with the input signal to that circuit. Appropriate adjustments to the phase and amplitude of the cubed signal ensure that the output signal of the non-linear amplifying device is free from all significant distortion.

REFERENCES:
patent: 3231819 (1966-01-01), Aaron
patent: 3383618 (1968-05-01), Engelbrecht
patent: 3566285 (1971-02-01), Schroeder
patent: 3701028 (1972-10-01), Markevich
patent: 3810018 (1974-05-01), Stover
patent: 3825843 (1974-07-01), Felsberg et al.

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