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:
Dec. 15, 2020
Filed:
Jun. 29, 2018
Applicant:
Intel Corporation, Santa Clara, CA (US);
Inventors:
William Li, Portland, OR (US);
Mohsen Nasroullahi, Beaverton, OR (US);
Khoa Nguyen, Hillsboro, OR (US);
Assignee:
Intel Corporation, Santa Ciara, CA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H03K 3/03 (2006.01); H03K 5/131 (2014.01); H03K 5/133 (2014.01); H03L 7/081 (2006.01); H03L 7/087 (2006.01); H03L 7/095 (2006.01); H03L 7/099 (2006.01); H03L 7/107 (2006.01); H03L 7/197 (2006.01);
U.S. Cl.
CPC ...
H03K 3/0315 (2013.01); H03K 5/131 (2013.01); H03K 5/133 (2013.01); H03L 7/081 (2013.01); H03L 7/087 (2013.01); H03L 7/095 (2013.01); H03L 7/0995 (2013.01); H03L 7/107 (2013.01); H03L 7/1976 (2013.01);
Abstract
An apparatus is provided to improve lock time of a phase locked loop, wherein the apparatus comprises: a ring oscillator including at least two delay stages, wherein each delay stage has a controllable delay; and a multiphase frequency monitor coupled to the ring oscillator to monitor frequency at an output of at least two delay stages of the ring oscillator.