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. 06, 2019
Filed:
May. 29, 2018
Applicant:
Intel Corporation, Santa Clara, CA (US);
Inventors:
Wenyan Vivian Jia, San Jose, CA (US);
Shenggao Li, Pleasanton, CA (US);
Fulvio Spagna, San Jose, CA (US);
Assignee:
Intel Corporation, Santa Clara, CA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H03L 7/087 (2006.01); H03D 13/00 (2006.01); G04F 10/00 (2006.01);
U.S. Cl.
CPC ...
H03L 7/087 (2013.01); G04F 10/005 (2013.01); H03D 13/00 (2013.01);
Abstract
Described is an apparatus comprising: a first phase frequency detector (PFD) to determine a coarse phase difference between a first clock signal and a second clock signal, the first PFD to generate a first output indicating the coarse phase difference; and a second PFD, coupled to the first PFD, to determine a fine phase difference between the first clock signal and the second clock signal, the second PFD to generate a second output indicating the fine phase difference.