Telecommunications – Transmitter – Power control – power supply – or bias voltage supply
Reexamination Certificate
2007-02-01
2011-10-04
Urban, Edward (Department: 2618)
Telecommunications
Transmitter
Power control, power supply, or bias voltage supply
C455S119000, C455S126000, C455S108000
Reexamination Certificate
active
08032097
ABSTRACT:
A power amplifier controller circuit controls a power amplifier based upon an amplitude correction signal indicating the amplitude difference between the amplitude of the input signal and an attenuated amplitude of the output signal. The power amplifier controller circuit comprises an amplitude control loop and a phase control loop. The amplitude control loop adjusts the supply voltage to the power amplifier based upon the amplitude correction signal. The RF power amplifier system may reduce the corrective action of the amplitude loop during periods of relatively rapid changes in amplitude, and thus distortion can be further reduced.
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Drogi Serge F.
Tomasz Martin A.
Vinayak Vikas
Fenwick & West LLP
Hanidu Ganiyu
Quantance, Inc.
Urban Edward
LandOfFree
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