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. 06, 2018
Filed:
Mar. 29, 2017
Applicant:
Qualcomm Incorporated, San Diego, CA (US);
Inventor:
Jose Cabanillas, San Diego, CA (US);
Assignee:
QUALCOMM Incorporated, San Diego, CA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H03F 1/34 (2006.01); H03F 1/56 (2006.01); H03F 3/193 (2006.01); H03F 3/21 (2006.01); H03F 1/02 (2006.01); H03F 3/189 (2006.01); H03F 3/24 (2006.01); H04B 1/04 (2006.01);
U.S. Cl.
CPC ...
H03F 1/56 (2013.01); H03F 1/0272 (2013.01); H03F 3/189 (2013.01); H03F 3/193 (2013.01); H03F 3/21 (2013.01); H03F 3/24 (2013.01); H04B 1/0458 (2013.01); H03F 2200/102 (2013.01); H03F 2200/171 (2013.01); H03F 2200/387 (2013.01); H03F 2200/451 (2013.01); H03F 2200/78 (2013.01);
Abstract
A circuit including: a power amplifier configured to provide amplified signals to a load; an impedance matching network disposed between the power amplifier and the load, the impedance matching network comprising an adjustable impedance unit; and a feedback loop comprising a rectifier, the rectifier being coupled with an output of the power amplifier, the feedback loop further comprising and impedance control circuit configured to receive a signal from the rectifier and to control the adjustable impedance unit in response to the signal from the rectifier.