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.
Patent No.:
Date of Patent:
Apr. 01, 2014
Filed:
Aug. 09, 2010
Applicants:
Duane A. Green, Hiawatha, IA (US);
Weiwei Shu, Burlington, MA (US);
David Sawatzky, Lisbon, IA (US);
Inventors:
Duane A. Green, Hiawatha, IA (US);
Weiwei Shu, Burlington, MA (US);
David Sawatzky, Lisbon, IA (US);
Assignee:
Skyworks Solutions, Inc., Woburn, MA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H04B 1/04 (2006.01); H03G 3/30 (2006.01); H03F 3/21 (2006.01);
U.S. Cl.
CPC ...
Abstract
A system and method for biasing a power amplifier includes a power amplifier having a driver stage and an output stage, the driver stage having a plurality of driver devices, a bias current source configured to deliver a bias current to each of the plurality of driver devices, and a current directing element configured to receive the bias current and selectively bias each of the plurality of driver devices based on a reference voltage and a system voltage.