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. 09, 2021
Filed:
Mar. 13, 2020
Applicant:
Samsung Electronics Co., Ltd., Suwon-si, KR;
Inventors:
Vishnu Kalyanamahadevi Gopalan Jawarlal, Bangalore, IN;
Tamal Das, West Bengal, IN;
Avneesh Singh Verma, Bangalore, IN;
Sanjeeb Kumar Ghosh, Bangalore, IN;
Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H03K 3/03 (2006.01); H03K 3/014 (2006.01); H03K 3/011 (2006.01);
U.S. Cl.
CPC ...
H03K 3/0322 (2013.01); H03K 3/011 (2013.01); H03K 3/014 (2013.01); H03B 2200/0094 (2013.01);
Abstract
A ring oscillator includes at least one oscillator stage having a first output and a second output and a start-up circuit. The start-up circuit includes a plurality of AC coupling capacitors receiving the first output and the second output, and a plurality of switches connected to the AC coupling capacitors. The start-up circuit is configured to provide a differential start-up voltage to at least one node of the oscillator using the plurality of switches and the AC coupling capacitors.