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:
Sep. 16, 2014
Filed:
Jul. 28, 2010
Applicants:
Fucheng Wang, Hsinchu Hsien, TW;
Yi LU, Hsinchu Hsien, TW;
Chung-yun Chou, Hsinchu Hsien, TW;
Inventors:
Assignee:
MStar Semiconductor, Inc., Hsinchu Hsien, TW;
Attorneys:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H04B 3/04 (2006.01); H03J 3/20 (2006.01); H03J 3/06 (2006.01);
U.S. Cl.
CPC ...
H03J 3/06 (2013.01); H03J 3/20 (2013.01);
Abstract
A tuner includes a plurality of paths, and at least one of the paths includes a front-end filter circuit, an amplifier, and a trace filter. The trace filter includes a varactor and an inductor, which are coupled to an output end of the amplifier. Further, the amplifier and the varactor of the tuner are packed in a complementary metal-oxide semiconductor (CMOS) chip.