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.

Date of Patent:
Mar. 29, 2016

Filed:

Jul. 12, 2013
Applicant:

Mstar Semiconductor, Inc., Hsinchu Hsien, TW;

Inventors:

Keng-Meng Chang, Hsinchu County, TW;

Yao-Chi Wang, Hsinchu County, TW;

Assignee:

MSTAR SEMICONDUCTOR, INC., Hsinchu Hsien, TW;

Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
H04L 27/12 (2006.01); H03C 3/09 (2006.01); H03F 1/26 (2006.01);
U.S. Cl.
CPC ...
H04L 27/127 (2013.01); H03C 3/0908 (2013.01); H03F 1/26 (2013.01); H03F 2200/114 (2013.01);
Abstract

A local oscillation generator includes an oscillation circuit, a frequency multiplication circuit, a mixer, and a frequency divider. The oscillation circuit provides a fundamental oscillation signal. The frequency multiplication circuit provides a first oscillation signal according to the fundamental oscillation signal. The mixer provides a mixed oscillation signal according to mixing of the fundamental oscillation signal and the first oscillation signal. The frequency divider frequency divides the mixed oscillation signal so that the local oscillation generator accordingly provides a local oscillation signal.


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