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:
Jan. 21, 2014
Filed:
Oct. 13, 2011
Bon Hoon Koo, Daejeon, KR;
Byeong Hak JO, Gyunggi-do, KR;
Ki Yong Son, Daejeon, KR;
Yoo Sam NA, Seoul, KR;
Song Cheol Hong, Daejeon, KR;
Bon Hoon Koo, Daejeon, KR;
Byeong Hak Jo, Gyunggi-do, KR;
Ki Yong Son, Daejeon, KR;
Yoo Sam Na, Seoul, KR;
Song Cheol Hong, Daejeon, KR;
Samsung Electro-Mechanics Co., Ltd., Suwon, KR;
Korea Advanced Institute of Science and Technology, Daejeon, KR;
Abstract
There is provided a power amplifier including an amplifying unit having at least two cascode amplifiers connected in parallel to amplify an input signal; and a bias supply unit supplying bias power to a common gate node of the two cascode amplifiers, and removing a signal of a pre-set frequency band corresponding to a baseband at the common gate node by controlling impedance of the common gate node.