Method and apparatus for an improved power amplifier

Details Method and apparatus for an improved power amplifier Method and apparatus for an improved power amplifier

2007-07-10

2007-07-10

Choe, Henry (Department: 2817)

Amplifiers

With plural amplifier channels

Redundant amplifier circuits

C330S295000

Reexamination Certificate

active

11060674

ABSTRACT:
An amplifier system is provided that includes a first balun with an input and an output. A second balun has an input and an output. An amplifier assembly is provided and has at least a first amplifier in parallel to a second amplifier. The first amplifier provides the input to the first balun and the second amplifier provides the input to the second balun. A power combining circuit is provided. The first and second baluns are coupled to a common node of the power combining circuit. A first lumped element circuit is coupled between the output of the first balun and the power combining circuit. A second lumped element circuit is coupled between the output of the second balun and the power combing circuit. The outputs are coupled to the common node.

REFERENCES:
patent: 5017886 (1991-05-01), Geller
patent: 6097250 (2000-08-01), Kamali et al.
patent: 6201439 (2001-03-01), Ishida et al.

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