Nested feed forward distortion reduction system

Details Nested feed forward distortion reduction system Nested feed forward distortion reduction system

1998-11-18

2000-10-03

Mottola, Steven J.

Amplifiers

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

330151, H03F 126

Patent

active

061278890

ABSTRACT:
A nested feed forward distortion reduction system, which reduces the distortion from a main amplifier on a main signal path, uses a nested feed forward arrangement for the correction amplifier to reduce the distortion produced from the correction amplifier. In reducing the distortion from the correction amplifier(s) and using progressively higher quality correction amplifier(s), the nested feed forward arrangement produces an improved, more stable representation of the distortion from the main amplifier, thereby alleviating the need for variable gain and/or phase control in producing amplified signal with reduced distortion.

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patent: 5847603 (1998-12-01), Myer
patent: 5977826 (1999-11-01), Behan et al

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