Linearization for power amplifiers

Details Linearization for power amplifiers Linearization for power amplifiers

1998-10-13

2000-06-13

Pascal, Robert

Amplifiers

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

455 63, 375297, H03F 126

Patent

active

060754125

ABSTRACT:
The present invention is a method and apparatus for linearizing a non-linear portion of a first response of a power amplifier in response to an input signal over an operating range. A linearizing module preprocesses the input signal. The linearizing module provides a second response which is complementary to the first response in the non-linear portion of the first response. The power amplifier processes the preprocessed input signal to generate a result response which is linear over the operating range.

REFERENCES:
patent: 4987378 (1991-01-01), Eggleston et al.
patent: 5748678 (1998-05-01), Valentine et al.
patent: 5909642 (1999-06-01), Suzuki
patent: 5917375 (1999-06-01), Lisco et al.
patent: 5949283 (1999-09-01), Proctor et al.

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