Correcting distortions at output of power amplifier

Details Correcting distortions at output of power amplifier Correcting distortions at output of power amplifier

2011-03-01

2011-03-01

Nguyen, Khanh V (Department: 2817)

Amplifiers

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

C330S136000, C330S297000

Reexamination Certificate

active

07898327

ABSTRACT:
A solution is provided for correcting distortions on a radio frequency output signal of a power amplifier. There is provided an apparatus, comprising: a processor configured to determine at least one correction factor for a distortion on a radio frequency output signal of a power amplifier on the basis of estimated characteristics of a distorted time-varying supply voltage from a power supply to a power amplifier and an interface configured to feed the at least one correction factor to an input signal of the power amplifier.

REFERENCES:
patent: 7091777 (2006-08-01), Lynch
patent: 7095278 (2006-08-01), Fuller et al.
patent: 2007/0019095 (2007-01-01), Ikehata et al.
patent: PCT 2006/085177 (2006-08-01), None

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