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:
May. 05, 2015
Filed:
May. 01, 2014
Applicant:
Semiconductor Manufacturing International (Shanghai) Corporation, Shanghai, CN;
Inventor:
Zhigang Fu, Shanghai, CN;
Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H03L 7/06 (2006.01); H03L 7/08 (2006.01);
U.S. Cl.
CPC ...
H03L 7/08 (2013.01);
Abstract
A self-biased Phase Locked Loop (PLL) is provided. The self-biased PLL includes a bias current generator configured to generate a bias current Ib, wherein the bias current Ib includes one or more adjustable parameters for adjusting a loop bandwidth wn of the self-biased PLL. The one or more adjustable parameters in the bias current Ib includes at least one of a reference voltage Vref and a reference frequency Fref.