Model based distortion reduction for power amplifiers

Details Model based distortion reduction for power amplifiers Model based distortion reduction for power amplifiers

2005-03-24

2008-09-30

Pascal, Robert (Department: 2817)

Amplifiers

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

Reexamination Certificate

active

07429892

ABSTRACT:
A method of processing a signal is disclosed. The method comprises generating a digital signal, converting the digital signal to an analog signal, and generating an amplified analog signal having distortions. The method further comprises converting the amplified analog signal to a feedback digital signal at a sample rate and updating a model of the distortions based on the feedback digital signal.

REFERENCES:
patent: 5959500 (1999-09-01), Garrido
patent: 6774834 (2004-08-01), Dartois
patent: 7099399 (2006-08-01), McCallister
patent: 2005/0068102 (2005-03-01), Hongo et al.
C. Tongchoi, M. Chongcheawchamnan and A. Worapishet, Lumped Element Based Doherty Power Amplifier Topology in CMOS Process, IEEE, 2003.

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