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:
Nov. 14, 2023
Filed:
May. 10, 2022
Applicants:
Ramin Babaee, Ottawa, CA;
Shahab Oveis Gharan, Ottawa, CA;
Martin Bouchard, Cantley, CA;
Inventors:
Assignee:
Ciena Corporation, Hanover, MD (US);
Primary Examiner:
Int. Cl.
CPC ...
H03M 1/10 (2006.01); H03M 1/06 (2006.01);
U.S. Cl.
CPC ...
H03M 1/0617 (2013.01);
Abstract
A digital-to-analog converter (DAC) comprises circuitry configured to generate, based on a mapping, L signals representing an N-bit digital input, wherein N and L are positive integers, and wherein N<L<2−1, and circuitry configured to control current flow from L weighted current sources using the L respective signals, thereby generating an analog output that uniquely represents the N-bit digital input, wherein the weighted current sources have weights configured to minimize at least one error metric associated with the analog output.