Radio transmitter front-end with amplitude and phase...

Details Radio transmitter front-end with amplitude and phase... Radio transmitter front-end with amplitude and phase...

2007-02-27

2009-12-01

Le, Thanh C (Department: 2618)

Telecommunications

Transmitter

Noise or interference elimination

C455S126000

Reexamination Certificate

active

07627294

ABSTRACT:
A radio transmitter front-end for use in a voice data and RF integrated circuit (IC) includes a phase correction module that produces a phase adjusted signal in response to a phase modulated signal and at least one phase correction signal. An amplitude correction module produces an amplitude adjusted signal in response to an amplitude modulating signal and an amplitude correction signal. An amplifier amplifies the phase adjusted signal and amplitude modulates the phase adjusted signal, based on the amplitude adjusted signal, to produce a polar coordinate transmit signal. A correction generation module generates the at least one phase correction signal and the amplitude correction signal, based on the polar coordinate transmit signal and the phase adjusted signal.

REFERENCES:
patent: 4618999 (1986-10-01), Watkinson
patent: 2007/0298734 (2007-12-01), Woo et al.
patent: 2009/0081968 (2009-03-01), Vinayak et al.

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