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:
Feb. 12, 2019
Filed:
May. 09, 2017
Applicant:
Beken Corporation, Shanghai, CN;
Inventors:
Dawei Guo, Shanghai, CN;
Caogang Yu, Shanghai, CN;
Assignee:
BEKEN CORPORATION, Shanghai, CN;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H03L 7/06 (2006.01); H03L 7/18 (2006.01); H03M 7/30 (2006.01); H03B 21/02 (2006.01); H03K 23/68 (2006.01); H03L 7/085 (2006.01); H03L 7/087 (2006.01); H03L 7/089 (2006.01); H03L 7/197 (2006.01); H03M 7/32 (2006.01);
U.S. Cl.
CPC ...
H03L 7/1976 (2013.01); H03L 7/087 (2013.01); H03L 7/0891 (2013.01); H03B 21/025 (2013.01); H03K 23/68 (2013.01); H03L 7/06 (2013.01); H03L 7/085 (2013.01); H03L 7/18 (2013.01); H03M 7/3004 (2013.01);
Abstract
A fractional-N frequency synthesizer comprising a multi-phase generator, a multi-path error phase generator; a current combiner; a loop filter connected to the current combiner; an oscillator () connected to the loop filter; a frequency divider (); a SDM connected to both the frequency divider and the multi-phase generator, to generate variable division ratio.