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:
Jan. 07, 2020
Filed:
Jul. 23, 2018
Applicant:
Texas Instruments Incorporated, Dallas, TX (US);
Inventors:
Ravinthiran Balasingam, Tucson, AZ (US);
Dimitar Trifonov, Vail, AZ (US);
Biraja Prasad Dash, Tucson, AZ (US);
Assignee:
TEXAS INSTRUMENTS INCORPORATED, Dallas, TX (US);
Primary Examiner:
Int. Cl.
CPC ...
H03F 3/45 (2006.01); H03F 1/02 (2006.01);
U.S. Cl.
CPC ...
H03F 1/0205 (2013.01); H03F 3/45179 (2013.01); H03F 2200/165 (2013.01); H03F 2200/171 (2013.01);
Abstract
A circuit, comprising an input chopper configured to receive an input signal, a differential amplifier having an input coupled to an output of the input chopper, a current mode chopping circuit coupled to an output of the differential amplifier, and a first current mirror bias transistor pair coupled between a voltage supply and the current mode chopping circuit.