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:
Aug. 15, 2017
Filed:
Mar. 16, 2016
Applicant:
Samsung Electro-mechanics Co., Ltd., Suwon-si, KR;
Inventors:
Kwang Du Lee, Suwon-si, KR;
Ho Kwon Yoon, Suwon-si, KR;
Jong Ok Ha, Suwon-si, KR;
Kyung Hee Hong, Suwon-si, KR;
Shinichi Iizuka, Suwon-si, KR;
Jae Hyouck Choi, Suwon-si, KR;
Suk Chan Kang, Suwon-si, KR;
Assignee:
Samsung Electro-Mechanics Co., Ltd., Suwon-si, KR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H03F 3/19 (2006.01); H03F 1/52 (2006.01); H03F 3/21 (2006.01); H03F 1/02 (2006.01);
U.S. Cl.
CPC ...
H03F 3/19 (2013.01); H03F 1/0272 (2013.01); H03F 1/52 (2013.01); H03F 3/21 (2013.01); H03F 2200/18 (2013.01); H03F 2200/411 (2013.01); H03F 2200/444 (2013.01); H03F 2200/451 (2013.01); H03F 2200/462 (2013.01);
Abstract
A power amplifier apparatus includes: an amplifier configured to amplify an input signal; a sensing circuit connected to the amplifier and configured to sense a bias of the amplifier; and a biasing circuit connected to the sensing circuit and configured to provide a biasing current to the amplifier, wherein the sensing circuit is configured to change the biasing current based on the bias of the amplifier.