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. 26, 2016
Filed:
Apr. 09, 2015
Applicant:
Mediatek Inc., Hsin-Chu, TW;
Inventors:
Albert Chia-Wen Jerng, Los Gatos, CA (US);
Wen-Kai Li, Hsinchu County, TW;
Chien-Cheng Lin, Taichung, TW;
Assignee:
MEDIATEK INC., 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); H03F 1/02 (2006.01); H03F 3/19 (2006.01); H03F 3/24 (2006.01);
U.S. Cl.
CPC ...
H04B 1/44 (2013.01); H03F 1/0205 (2013.01); H03F 3/19 (2013.01); H03F 3/245 (2013.01); H04B 1/0458 (2013.01); H04B 1/18 (2013.01); H03F 2200/222 (2013.01); H03F 2200/294 (2013.01);
Abstract
The present invention discloses a transmit-receive (TR) front end. The TR front end comprises 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 to the transformer at a first end and coupled to the LNA at a second end, wherein the second end is capable of being coupled to an antenna; wherein the LNA is single ended and there is no transformer between the LNA and the TR switch.