Method and apparatus for reducing even order distortion in diffe

Details Method and apparatus for reducing even order distortion in diffe Method and apparatus for reducing even order distortion in diffe

1998-11-03

2000-09-12

Cunningham, Terry D.

Miscellaneous active electrical nonlinear devices, circuits, and

Signal converting, shaping, or generating

Amplitude control

327313, H03K 508, H03L 500

Patent

active

061183229

ABSTRACT:
An apparatus (100) includes a differential processing circuit (135) responsive to an input signal with first and second signal components, and a signal imbalance suppressor (130) that preprocesses the input signal, prior to input to the differential processing circuit, to remove amplitude and/or phase imbalances that exist between the first and second signal components, in order to reduce even order distortion generation within the differential processing circuit.

REFERENCES:
patent: 3761831 (1973-09-01), Foerster
patent: 5613233 (1997-03-01), Vagher
patent: 5949821 (1999-09-01), Emami et al.
patent: 6009317 (1999-12-01), Wynn
"Analysis and Design of Analog Integrated Circuits" third edition, by Paul R. Gray and Robert G. Meyer, pp. 240-241 and 275-276.

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