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. 08, 2020
Filed:
Apr. 09, 2019
Applicant:
Mediatek Inc., Hsin-Chu, TW;
Inventor:
Chun-Cheng Liu, Hsinchu, TW;
Assignee:
MEDIATEK INC., Hsin-Chu, TW;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H03M 1/10 (2006.01); H03M 1/34 (2006.01); H03H 19/00 (2006.01); H03M 1/06 (2006.01); H03M 1/12 (2006.01); H03M 3/00 (2006.01);
U.S. Cl.
CPC ...
H03M 1/1023 (2013.01); H03H 19/004 (2013.01); H03M 1/0607 (2013.01); H03M 1/121 (2013.01); H03M 1/34 (2013.01); H03M 1/1009 (2013.01); H03M 3/38 (2013.01);
Abstract
A comparator offset calibration system having a comparator offset evaluator and a switched-capacitor network is disclosed, which is in an analog and digital dual domain structure. The comparator offset evaluator receives digital data from an analog-to-digital conversion module, evaluates an offset of a comparator of the analog-to-digital conversion module based on the received digital data, and outputs an evaluated result. The switched-capacitor network processes the evaluated result to generate a control signal. The analog-to-digital conversion module adjusts the offset of the comparator according to the control signal.