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:
Jul. 03, 2018
Filed:
Mar. 31, 2017
Applicant:
Xilinx, Inc., San Jose, CA (US);
Inventor:
Mayank Raj, San Jose, CA (US);
Assignee:
XILINX, INC., San Jose, CA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H03L 7/099 (2006.01); H03B 27/00 (2006.01);
U.S. Cl.
CPC ...
H03L 7/0998 (2013.01); H03L 7/0995 (2013.01); H03L 2207/06 (2013.01);
Abstract
An example phase interpolator includes: a ring oscillator having a plurality of delay stages and a plurality of injection switches, each of the plurality of injection switches responsive to a differential reference clock signal and a first differential control signal; a supply control circuit configured to provide a regulated supply voltage to the ring oscillator in response to a first component of a second differential control signal; and a ground control circuit configured to provide a regulated ground voltage to the ring oscillator in response to a second component of the second differential control signal.