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:
Aug. 09, 2016

Filed:

Dec. 15, 2015
Applicants:

Ncku Research and Development Foundation, Tainan, TW;

Himax Technologies Limited, Tainan, TW;

Inventors:

Soon-Jyh Chang, Tainan, TW;

Tz-Jing Shau, Tainan, TW;

Chung-Ming Huang, Tainan, TW;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H03M 1/06 (2006.01); H03M 1/44 (2006.01); H03H 19/00 (2006.01);
U.S. Cl.
CPC ...
H03M 1/442 (2013.01); H03H 19/006 (2013.01); H03M 1/06 (2013.01);
Abstract

A switched capacitor circuit with feedback compensation is provided. First terminals of a feedback capacitor and at least one capacitor are coupled to a first input terminal of a differential amplifier. Second terminals of the feedback capacitor and the capacitor are coupled to an input terminal during a first period. A feedback compensation circuit amplifies a first voltage on the first input terminal of the differential amplifier by a gain greater than one to generate a second voltage. The second terminal of the feedback capacitor is coupled to the output terminal of the differential amplifier, and the feedback compensation circuit applies the second voltage to the second terminal of the capacitor during a second period.


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