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.

Date of Patent:
Feb. 09, 2021

Filed:

Dec. 02, 2019
Applicant:

Texas Instruments Incorporated, Dallas, TX (US);

Inventors:

Nitin Agarwal, Bengaluru, IN;

Kunal Suresh Karanjkar, Bengaluru, IN;

Venkata Ramanan R, Bengaluru, IN;

Assignee:
Attorneys:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H03K 17/693 (2006.01); H03K 17/10 (2006.01); H03K 17/00 (2006.01); H03F 3/72 (2006.01);
U.S. Cl.
CPC ...
H03K 17/693 (2013.01); H03F 3/72 (2013.01); H03K 17/005 (2013.01); H03K 17/102 (2013.01);
Abstract

A circuit includes a first switch assembly having a first input node and a first output node, and a second switch assembly having a second input node and a second output node. The circuit further includes a third switch assembly an operational amplifier, and a buffer. The third switch assembly has a third input node and a third output node. The third input node is coupled to the second output node, and the third output node is coupled to the first output node. The buffer has a buffer input and a buffer output. The buffer input is coupled to an input stage of the operational amplifier. The buffer output is coupled to the third switch assembly.


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