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. 22, 2020
Filed:
Dec. 23, 2018
Texas Instruments Incorporated, Dallas, TX (US);
Krishnaswamy Nagaraj, Plano, TX (US);
Wei Fu, Plano, TX (US);
TEXAS INSTRUMENTS INCORPORATED, Dallas, TX (US);
Abstract
A circuit includes a first filter, a plurality of binary-weighted capacitors, and a current source device. The circuit also includes a first plurality of switches. Each of the first plurality of switches is connected to a separate capacitor of the plurality of binary-weighted capacitors. The first plurality of switches are connected together, and the first plurality of switches are not connected to the first filter. A second plurality of switches is also included, and each of the second plurality of switches is connected to a separate capacitor of the plurality of binary-weighted capacitors and to the first filter and to a control input of the current source device. The first plurality of switches are not connected to the control input.