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. 06, 2021
Filed:
Oct. 26, 2020
Applicant:
International Business Machines Corporation, Armonk, NY (US);
Inventors:
Marcel A. Kossel, Reichenburg, CH;
Vishal Khatri, Gonda, IN;
Pier Andrea Francese, Adliswil, CH;
Matthias Braendli, Otelfingen, CH;
Assignee:
International Business Machines Corporation, Armonk, NY (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H03K 21/40 (2006.01); H03K 21/02 (2006.01); H03K 21/10 (2006.01); H04B 1/40 (2015.01); H03K 23/44 (2006.01); H03K 3/037 (2006.01); H03K 5/156 (2006.01); H04L 27/36 (2006.01);
U.S. Cl.
CPC ...
H03K 21/40 (2013.01); H03K 3/0372 (2013.01); H03K 5/1565 (2013.01); H03K 21/023 (2013.01); H03K 21/026 (2013.01); H03K 21/10 (2013.01); H03K 23/44 (2013.01); H04B 1/40 (2013.01); H04L 27/364 (2013.01);
Abstract
The present disclosure relates to a method for quadrature error correction using a frequency divider circuit. The method comprises delaying input of data to master input terminals and/or slave input terminals of the frequency divider circuit for correcting a quadrature error between the in-phase and quadrature-phase output signals.