Method and system for improving efficiency over power...

Details Method and system for improving efficiency over power... Method and system for improving efficiency over power...

2007-02-26

2009-11-10

Nguyen, Tony T (Department: 2618)

Telecommunications

Receiver or analog modulated signal frequency converter

With particular receiver circuit

C455S127100, C455S522000

Reexamination Certificate

active

07616941

ABSTRACT:
Aspects of a system for improving efficiency over power control for linear and class AB power amplifiers may include a current source circuit that enables determination of a bias current level for a PA circuit within an IC die based on an amplitude of an input modulation signal. The PA circuit may enable generation of an output signal based on a differential input signal and the input modulation signal to the current source circuit. A generated bias voltage may be applied to a transformer external to the IC die, but internal to an IC package containing the IC die and/or a circuit board containing the IC package. One or more amplifier bias voltage levels may be applied to the PA circuit wherein the amplifier bias voltage levels may be derived from the generated bias voltage level and/or the determined bias current level.

REFERENCES:
patent: 2005/0285674 (2005-12-01), Zaguri

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