Multi-band power amplifier module for wireless communication...

Details Multi-band power amplifier module for wireless communication... Multi-band power amplifier module for wireless communication...

2006-08-01

2006-08-01

Nguyen, Patricia (Department: 2817)

Amplifiers

With plural amplifier channels

Amplifying different frequencies in different channels

C330S12400D, C330S285000, C330S296000

Reexamination Certificate

active

07084702

ABSTRACT:
A multi-band power amplifier module includes a first power amplifier that amplifies a first input radio frequency signal in a first frequency band in response to a first bias control signal. A second power amplifier amplifies a second input radio frequency signal in a second frequency band in response to a second bias control signal. A first bias control circuit produces the first bias control signal and a second bias control circuit produces the second bias control signal in response to step gain signals received at a step gain terminal.

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patent: 2005/0179498 (2005-08-01), Tsutsui et al.

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