Method and system for polar modulating QAM signals with...

Details Method and system for polar modulating QAM signals with... Method and system for polar modulating QAM signals with...

2010-12-28

2011-12-27

Nguyen, Patricia (Department: 2817)

Amplifiers

With control of power supply or bias voltage

With control of input electrode or gain control electrode bias

C330S278000, C330S285000

Reexamination Certificate

active

08085090

ABSTRACT:
Aspects of a method and system for polar modulating QAM signals with discontinuous phase may include amplifying a signal via a plurality of amplifiers such that a combined gain of the plurality of amplifiers comprises a coarse amplitude gain and an amplitude offset gain. A gain of one or more of the plurality of amplifiers may be adjusted to set the coarse amplitude gain, and a gain of one or more remaining ones of the plurality of amplifiers may be adjusted to set the amplitude offset gain. The setting of the coarse amplitude gain and/or said amplitude offset gain may be adjusted dynamically and/or adaptively. The signal may be generated by phase-modulation of a radio-frequency carrier. The combined gain of the plurality of amplifiers may be controlled based on a desired amplitude modulation. The plurality of amplifiers may be integrated within an integrated circuit (IC) or chip.

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