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. 29, 2013
Filed:
Nov. 17, 2011
Xiaochuan Guo, Austin, TX (US);
Wen-chang Lee, Taipei, TW;
Chii-horng Chen, Taichung, TW;
Augusto Marques, Moscavide, PT;
Xiaochuan Guo, Austin, TX (US);
Wen-Chang Lee, Taipei, TW;
Chii-Horng Chen, Taichung, TW;
Augusto Marques, Moscavide, PT;
MediaTek Singapore Pte. Ltd., Singapore, SG;
Abstract
A clock generating apparatus includes: a time-to-digital converter (TDC) arranged to convert a timing difference between a reference clock and a variable clock to generate a digital value; a calibrating device arranged to generate a control signal according to the digital value and the reference clock; a controllable oscillator arranged to generate an oscillating signal according to the control signal and the digital value; and a feedback device arranged to generate the variable clock to the TDC according to the oscillating signal, and the calibrating device calibrates the controllable oscillator to make the oscillating signal have a target oscillating frequency.