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:
Aug. 04, 2020

Filed:

Jun. 19, 2019
Applicant:

Texas Instruments Incorporated, Dallas, TX (US);

Inventors:

Jikai Chen, Allen, TX (US);

Yuan Rao, Allen, TX (US);

Yanli Fan, Allen, TX (US);

Assignee:
Attorneys:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H04B 1/16 (2006.01); G05F 3/30 (2006.01); G05F 3/26 (2006.01); H03K 5/153 (2006.01);
U.S. Cl.
CPC ...
H04B 1/16 (2013.01); G05F 3/26 (2013.01); G05F 3/30 (2013.01); H03K 5/153 (2013.01);
Abstract

A circuit includes a sensor configured to receive an input signal and to provide a sensor output signal in response to the received input signal. A plurality of mirror circuits are configured to receive the sensor output signal from the sensor and to generate mirror circuit output signals. The plurality of mirror circuits includes a first mirror circuit and at least a second mirror circuit. The first mirror circuit increases its respective mirror circuit output signal until its saturation value is reached. The second mirror circuit increases its respective mirror output signal if the sensor output signal is above a threshold value and until its saturation value is reached.


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