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:
Oct. 25, 2016
Filed:
Oct. 31, 2013
Applicant:
Analog Devices, Inc., Norwood, MA (US);
Inventor:
Shawn S. Kuo, Arlington, MA (US);
Assignee:
Analog Devices, Inc., Norwood, MA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H03K 3/03 (2006.01); H03K 3/356 (2006.01); H03K 3/0231 (2006.01); H03K 3/017 (2006.01);
U.S. Cl.
CPC ...
H03K 3/0322 (2013.01); H03K 3/017 (2013.01); H03K 3/0231 (2013.01); H03K 3/03 (2013.01); H03K 3/356043 (2013.01);
Abstract
A clock system including a ring oscillator having a plurality of cascaded inverters, each of the cascaded inverters having a pair of inputs coupled to outputs of a respectively adjacent inverter stage and having a pair of outputs coupled to inputs of another respectively adjacent inverter stage, each inverter stage having a common mode control circuit provided therein, and a feedback controller adapted to transmit a control signal to the common mode control circuit of at least one of the inverters.