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:
May. 30, 2017
Filed:
Jan. 29, 2016
Applicant:
Xilinx, Inc., San Jose, CA (US);
Inventors:
Junho Cho, Cupertino, CA (US);
Jinyung Namkoong, San Jose, CA (US);
Assignee:
XILINX, INC., San Jose, CA (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H03H 11/16 (2006.01); H03K 5/13 (2014.01); H03M 1/74 (2006.01); H03K 5/00 (2006.01);
U.S. Cl.
CPC ...
H03K 5/13 (2013.01); H03M 1/742 (2013.01); H03K 2005/00052 (2013.01);
Abstract
A phase interpolator includes: a digital-to-analog converter to generate bias signals associated with phase signals; a multiplexer having an input interface and an output interface, wherein the digital-to-analog converter is coupled to the input interface of the multiplexer; a first current source; and a second current source; wherein the digital-to-analog converter is configured to provide bleeder current signals to the first current source and the second current source while bypassing the multiplexer.