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:
Apr. 01, 2008
Filed:
Dec. 08, 2005
Applicants:
Jong-sung Lee, Yongin-si, KR;
Jin-sung Kim, Seoul, KR;
Inventors:
Jong-Sung Lee, Yongin-si, KR;
Jin-Sung Kim, Seoul, KR;
Assignee:
Samsung Electronics Co., Ltd, , KR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H03F 3/68 (2006.01);
U.S. Cl.
CPC ...
Abstract
A power amplification apparatus includes a carrier amplifier and a peaking amplifier. In the apparatus, a detection and comparison controller detects an envelope signal from an input signal, compares a value of the envelope signal with a threshold, and generates a control signal corresponding to a threshold power. At least one switch performs a switching operation for turning on/off the peaking amplifier according to the control signal.