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:
Mar. 19, 2013
Filed:
Aug. 12, 2011
Applicants:
Yen-chung Chen, Santa Clara, CA (US);
Tsai-ming Yang, Tainan, TW;
Jen-tai Hsu, Miaoli County, TW;
Inventors:
Assignees:
Global Unichip Corporation, Hsinchu, TW;
Taiwan Semiconductor Manufacturing Co., Ltd., Hsin-Chu, TW;
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
H03B 5/12 (2006.01);
U.S. Cl.
CPC ...
Abstract
An oscillation circuit and associated method, wherein the oscillation circuit provides a pair of oscillation signals at two oscillation nodes, and includes a first capacitor, a switch circuit and a second capacitor serially coupled between the two oscillation nodes; the switch circuit conducts between the first capacitor and the second capacitor on an enable voltage higher than a power voltage of the oscillation circuit.