Dual band power amplifier module for wireless communication...

Details Dual band power amplifier module for wireless communication... Dual band power amplifier module for wireless communication...

2005-12-20

2005-12-20

Choe, Henry (Department: 2817)

Amplifiers

With semiconductor amplifying device

Including gain control means

C330S129000

Reexamination Certificate

active

06977551

ABSTRACT:
A power amplifier module for amplifying radio frequency signals includes first and second radio frequency power amplifiers with one or more semiconductor transistors, adapted to receive an input radio frequency signal and a processed power-sensing control signal and to output an amplified radio frequency signal; first and second power-sensing circuits each coupled to said first and second radio frequency power amplifiers and adapted to receive each amplified radio frequency signal and to output the power-sensing control signal; and control logic that receives and processes the power-sensing control signals, and outputs a processed power-sensing control signal in response to each quality or magnitude of each amplified radio frequency signal.

REFERENCES:
patent: 6148220 (2000-11-01), Sharp et al.
patent: 6678506 (2004-01-01), Dolman et al.
patent: 6798287 (2004-09-01), Wu et al.

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