Polar amplifier

Details Polar amplifier Polar amplifier

2007-05-31

2009-06-02

Pascal, Robert (Department: 2817)

Amplifiers

With control of power supply or bias voltage

With control of input electrode or gain control electrode bias

C330S129000

Reexamination Certificate

active

07541867

ABSTRACT:
An amplifier circuit receives a phase modulated signal at an input node. The power supply terminal of the amplifier circuit is modulated in accordance with an amplitude envelope signal. The voltage on the power supply terminal is modulated using one or more linear regulators depending on the magnitude of the envelope signal.

REFERENCES:
patent: 6636112 (2003-10-01), McCune
patent: 6690233 (2004-02-01), Sander
patent: 6888409 (2005-05-01), Taylor
patent: 7099635 (2006-08-01), McCune
patent: 7116946 (2006-10-01), Tanabe et al.
patent: 7251462 (2007-07-01), Matsuura et al.
International Search Report/Written Opinion for PCT Patent Application No. PCT/US2008/062813 mailed Jul. 23, 2008, 10 pgs.

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