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:
Oct. 21, 2014
Filed:
Feb. 17, 2012
Applicants:
Chin Su, Kaohsiung, TW;
Hong-ta Hsu, Hsinchu, TW;
Inventors:
Chin Su, Kaohsiung, TW;
Hong-Ta Hsu, Hsinchu, TW;
Assignee:
Realtek Semiconductor Corp., Science Park, HsinChu, TW;
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
H04B 3/46 (2006.01); H04B 17/00 (2006.01); H04Q 1/20 (2006.01);
U.S. Cl.
CPC ...
H04B 17/0062 (2013.01); H04B 17/0085 (2013.01);
Abstract
A method and apparatus of calibrating I/Q mismatch of a communication circuit is disclosed. The disclosure employs I/Q test signals respectively including different frequency components to calibrate the frequency-dependent I/Q mismatch existing in the communication system.