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:
Feb. 21, 2017

Filed:

May. 08, 2014
Applicant:

Samsung Electro-mechanics Co., Ltd., Suwon-Si, Gyeonggi-Do, KR;

Inventors:

Kwang Du Lee, Suwon-Si, KR;

Jeong Hoon Kim, Suwon-Si, KR;

Ho Kwon Yoon, Suwon-Si, KR;

Joong Jin Nam, Suwon-Si, KR;

Kyu Jin Choi, Suwon-Si, KR;

Suk Chan Kang, Suwon-Si, KR;

Jae Hyouck Choi, Suwon-Si, KR;

Kyung Hee Hong, Suwon-Si, KR;

Assignee:
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H03G 3/20 (2006.01); H03F 1/02 (2006.01); H03F 3/193 (2006.01); H03F 3/21 (2006.01);
U.S. Cl.
CPC ...
H03F 1/0266 (2013.01); H03F 3/193 (2013.01); H03F 3/211 (2013.01); H03F 2200/102 (2013.01); H03F 2200/18 (2013.01); H03F 2200/451 (2013.01); H03F 2203/21131 (2013.01);
Abstract

A power amplifier may include a first amplifying unit receiving a first bias signal to amplify a power level of an input signal; an envelope detecting unit detecting an envelope of the input signal; a comparing circuit unit comparing a peak value of the detected envelope with a preset reference voltage; and a second amplifying unit amplifying the power level of the input signal according to a second bias signal set depending on a comparison result of the comparing circuit unit.


Find Patent Forward Citations

Loading…