The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Date of Patent:
May. 31, 2011

Filed:

Nov. 17, 2009
Applicants:

Kyu Hwan an, Dunwoody, GA (US);

Dong Ho Lee, Cedar Rapids, IA (US);

Chang-ho Lee, Marietta, GA (US);

Joy Laskar, Marietta, GA (US);

Inventors:

Kyu Hwan An, Dunwoody, GA (US);

Dong Ho Lee, Cedar Rapids, IA (US);

Chang-Ho Lee, Marietta, GA (US);

Joy Laskar, Marietta, GA (US);

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H03F 3/68 (2006.01);
U.S. Cl.
CPC ...
Abstract

Systems and methods are provided for power amplifiers with discrete power control. The systems and methods may include a plurality of unit power amplifiers; a plurality of primary windings, wherein each primary winding is connected to at least one respective output port of a respective one the plurality of unit power amplifiers; a secondary winding inductively coupled to the plurality of primary windings, where the secondary winding provides an overall output; a bias controller, where the bias controller provides a respective bias voltage based at least in part on a level of output power to one or more of the plurality of unit power amplifiers; and a switch controller, where the switch controller operates to activate or deactivate at least one of the plurality of unit power amplifiers via a respective control signal.


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