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:
Aug. 27, 2013
Filed:
May. 22, 2012
Shih-lun Chen, Taipei, TW;
Ming-jing Ho, Taipei, TW;
Shih-Lun Chen, Taipei, TW;
Ming-Jing Ho, Taipei, TW;
Global Unichip Corp., Hsinchu, TW;
Taiwan Semiconductor Manufacturing Co., Ltd., Hsinchu, TW;
Abstract
The invention provides an electronic device for reducing simultaneous switching noise (SSN). The electronic device includes: a driver, driving an external device according to an input signal, and including: an input end, receiving the input signal; a positive output end, coupled to an external capacitor of the external device; and a negative output end, coupled to a variable capacitor; and a loading calibration circuit, generating an adjusting signal to adjust a first capacitance of the variable capacitor so as to make the first capacitance approximately equal to a second capacitance of the external capacitor.