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:
Sep. 17, 2024
Filed:
Dec. 06, 2021
Qualcomm Incorporated, San Diego, CA (US);
Xingyi Hua, San Diego, CA (US);
QUALCOMM INCORPORATED, San Diego, CA (US);
Abstract
In certain aspects, a system includes a voltage line, a switched-capacitor circuit coupled to the voltage line, and a ripple-cancellation circuit. The ripple-cancellation circuit includes a current mirror having a first branch and a second branch, wherein the second branch of the current mirror is coupled to the voltage line, a switching circuit having a first terminal, a second terminal, and a third terminal, wherein the first terminal of the switching circuit is coupled to the first branch of the current mirror, and the third terminal is coupled to a ground or a reference voltage, and a first capacitor coupled to the second terminal of the switching circuit.