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:
Mar. 17, 2015
Filed:
Feb. 27, 2013
Applicant:
Samsung Electro-mechanics Co., Ltd., Suwon, KR;
Inventor:
Young Jean Song, Gyunggi-do, KR;
Assignee:
Samsung Electro-Mechanics Co., Ltd., Suwon, Gyunggi-Do, KR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H03F 3/04 (2006.01); H03F 1/30 (2006.01); H03F 3/24 (2006.01);
U.S. Cl.
CPC ...
H03F 1/302 (2013.01); H03F 3/245 (2013.01);
Abstract
There are provided a bias circuit and a power amplifier with a dual-power mode. The bias circuit includes a regulated voltage generation unit generating a regulated voltage by using a reference voltage, a bias voltage generation unit generating a bias voltage according to the regulated voltage, and a power mode control unit operating in any one of a high power mode and a low power mode according to a power mode voltage and dropping the regulated voltage in the low power mode.