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:
May. 12, 2015
Filed:
Sep. 28, 2011
Applicants:
Albert Chia-wen Jerng, Hsinchu County, TW;
Wen-kai LI, Hsinchu County, TW;
Chien-cheng Lin, Hsinchu County, TW;
Inventors:
Albert Chia-Wen Jerng, Hsinchu County, TW;
Wen-Kai Li, Hsinchu County, TW;
Chien-Cheng Lin, Hsinchu County, TW;
Assignee:
Mediatek, Science-Based Industrial Park, Hsin-Chu, TW;
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
H04B 1/44 (2006.01); H04B 1/04 (2006.01); H04B 1/18 (2006.01);
U.S. Cl.
CPC ...
H04B 1/0458 (2013.01); H04B 1/18 (2013.01);
Abstract
The present invention discloses a transmit-receive (TR) front end. The TR front end includes a low-noise amplifier (LNA); a power amplifier (PA); a transformer, coupled to the PA, for increasing a voltage swing and a power transmission of the PA; and a TR switch, coupled between the transformer and the LNA. The LNA is single ended and there is no transformer between the LNA and the TR switch.