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:
Nov. 01, 2011
Filed:
Jan. 06, 2011
Guohao Zhang, Camarillo, CA (US);
Shiaw W. Chang, Thousand Oaks, CA (US);
Xuejun Chen, Moorpark, CA (US);
Jing Sun, Moorpark, CA (US);
Guohao Zhang, Camarillo, CA (US);
Shiaw W. Chang, Thousand Oaks, CA (US);
Xuejun Chen, Moorpark, CA (US);
Jing Sun, Moorpark, CA (US);
Skyworks Solutions, Inc., Woburn, MA (US);
Abstract
A power amplifier includes a plurality of amplification paths in which at least one amplification path is selectively enables and disabled, wherein each amplification path includes an output impedance modification element and a phase shift element that is operable independently from the output impedance modification element, and wherein the output impedance modification element in each amplification path provides selective impedance for each amplification path.