Device, system, and method of providing biasing power

Details Device, system, and method of providing biasing power Device, system, and method of providing biasing power

2008-01-02

2010-11-30

Le, Nhan (Department: 2618)

Telecommunications

Transmitter

Power control, power supply, or bias voltage supply

C455S253200, C455S522000, C330S129000

Reexamination Certificate

active

07844234

ABSTRACT:
Device, system, and method of providing biasing power. For example, an apparatus includes a voltage-controlled current source to provide biasing current to a Radio Frequency power amplifier based on a voltage of an incoming signal indicating a command to activate the Radio Frequency power amplifier, the incoming signal received from a Radio Frequency baseband module; and a current-reducing circuit to reduce the biasing current if the voltage of the incoming signal is greater than or equal to a voltage overdrive threshold.

REFERENCES:
patent: 6639465 (2003-10-01), Samelis et al.
patent: 6765439 (2004-07-01), Choi
patent: 7043213 (2006-05-01), Robinson et al.
patent: 7382194 (2008-06-01), Apel
patent: 2007/0010218 (2007-01-01), Monroe et al.

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