Distortion compensating amplifier and front-end distortion...

Details Distortion compensating amplifier and front-end distortion... Distortion compensating amplifier and front-end distortion...

2011-06-14

2011-06-14

Pascal, Robert (Department: 2817)

Amplifiers

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

Reexamination Certificate

active

07961046

ABSTRACT:
A distortion compensating amplifier including a forward circuit and a feedback circuit and performing distortion compensation of a signal in the forward circuit by use of a gain of the feedback circuit, includes a detecting unit which detects that the gain of the forward circuit is changed, a calculating unit which calculates, when the detecting unit detects that the gain of the forward circuit is changed, the gain of the feedback circuit on the basis of an input signal to the forward circuit and an output signal from the forward circuit, and a feedback gain updating unit which updates the present gain of the feedback circuit with the gain calculated by the calculating unit.

REFERENCES:
patent: 5404378 (1995-04-01), Kimura
patent: 05129845 (1993-05-01), None
patent: 2002176321 (2002-06-01), None
patent: 2005005834 (2005-01-01), None
patent: W00108320 (2001-02-01), None

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