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. 07, 2021
Filed:
Nov. 19, 2020
Applicant:
Beken Corporation, Shanghai, CN;
Inventors:
Assignee:
Beken Corporation, Shanghai, CN;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H03M 1/66 (2006.01); H03M 1/68 (2006.01); H03M 1/76 (2006.01);
U.S. Cl.
CPC ...
H03M 1/68 (2013.01); H03M 1/76 (2013.01);
Abstract
A low pass filter embedded digital-to-analog converter including a first switch coupled to a first node that is coupled to a fourth switch and a first capacitor, a second switch coupled to a second node that is coupled to the first capacitor and a third switch, a negative input of a first operational amplifier coupled to a third node that is coupled to the third switch and a second capacitor, and an output port of the first operational amplifier coupled to a fourth node that is coupled to the second capacitor and the fourth switch.