Amplifiers – With control of power supply or bias voltage – With control of input electrode or gain control electrode bias
Reexamination Certificate
2005-08-09
2005-08-09
Choe, Henry (Department: 2817)
Amplifiers
With control of power supply or bias voltage
With control of input electrode or gain control electrode bias
C330S136000
Reexamination Certificate
active
06927627
ABSTRACT:
A method in an amplifier, for example, a power amplifier in a wireless transmitter, including monitoring (310) a characteristic of the amplifier during a first active interval of the first set of active intervals, storing (320) the amplifier characteristic monitored during the first active interval of the first set of active intervals, correcting (340) an open-loop control signal to the amplifier based on the stored amplifier characteristic monitored during the first active interval of the first set of active intervals, and providing (350) the corrected control signal during a second active interval of the set of first active intervals subsequent to the first active interval of the set of first active intervals.
REFERENCES:
patent: 6438360 (2002-08-01), Alberth et al.
patent: 6556814 (2003-04-01), Klomsdorf et al.
patent: 6744313 (2004-06-01), Genest
Natarajan Vimalkaushik
Schumacher Lawrence R.
Bowler II Roland K.
Choe Henry
Motorola Inc.
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