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:
Apr. 06, 2021
Filed:
May. 01, 2020
Applicant:
Qualcomm Incorporated, San Diego, CA (US);
Assignee:
QUALCOMM INCORPORATED, San Diego, CA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H03L 7/081 (2006.01); H03L 7/093 (2006.01); G06F 15/78 (2006.01); H03L 7/097 (2006.01); H03M 9/00 (2006.01); H03L 7/099 (2006.01);
U.S. Cl.
CPC ...
H03L 7/0818 (2013.01); G06F 15/7807 (2013.01); H03L 7/093 (2013.01); H03L 7/097 (2013.01); H03L 7/0992 (2013.01); H03M 9/00 (2013.01);
Abstract
A clock system including: an in-phase clock input and an in-phase clock output; a quadrature clock input and a quadrature clock output; a control loop configured to receive the in-phase clock output and the quadrature clock output, the control loop including a Boolean logic gate coupled to an operational amplifier (op-amp) through a low-pass filter; and an analog delay element coupled between the quadrature clock input and the quadrature clock output, the analog delay element comprising a plurality of capacitors.