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:
Oct. 07, 2014
Filed:
Aug. 02, 2012
Shinichi Iizuka, Gyunggi-do, KR;
Youn Suk Kim, Gyunggi-do, KR;
Jun Goo Won, Gyunggi-do, KR;
Myeong Woo Han, Gyunggi-do, KR;
Young Jean Song, Gyunggi-do, KR;
Ju Young Park, Gyunggi-do, KR;
Ki Joong Kim, Gyunggi-do, KR;
Shinichi Iizuka, Gyunggi-do, KR;
Youn Suk Kim, Gyunggi-do, KR;
Jun Goo Won, Gyunggi-do, KR;
Myeong Woo Han, Gyunggi-do, KR;
Young Jean Song, Gyunggi-do, KR;
Ju Young Park, Gyunggi-do, KR;
Ki Joong Kim, Gyunggi-do, KR;
Samsung Electro-Mechanics Co., Ltd., Gyunggi-Do, KR;
Abstract
There are provided a bias circuit supplying different levels of bias power according to respective power modes through a simple circuit configuration, and a power amplifier having the same. The bias circuit includes: a bias setting unit setting a bias power voltage level by switching reference power having a pre-set voltage level determined according to a pre-set power mode; and a bias supply unit including a switching element performing switching according to the setting of the bias setting unit and supplying bias power having a voltage level determined according to a switching operation of the switching element.