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. 04, 2020

Filed:

Feb. 08, 2019
Applicant:

Analog Devices International Unlimited Company, Limerick, IE;

Inventors:

Debopam Banerjee, Bangalore, IN;

Maitrey Kamble, Mumbai, IN;

Sandeep Monangi, Srikakulam, IN;

Michael C. W. Coln, Lexington, MA (US);

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H03F 1/30 (2006.01); H03F 3/45 (2006.01); H03M 1/46 (2006.01); G05F 1/595 (2006.01);
U.S. Cl.
CPC ...
H03F 1/301 (2013.01); H03F 3/45273 (2013.01); H03M 1/46 (2013.01); G05F 1/595 (2013.01);
Abstract

An electronic circuit comprises a comparator circuit including an input circuit stage and an output circuit stage, and an input stage supply circuit coupled to a circuit supply rail and the input circuit stage. The input stage supply circuit includes a voltage generator circuit and a regulating circuit. The voltage generator circuit includes a replicate circuit of a portion of the input circuit stage to generate a voltage that is less than a voltage of the circuit supply rail and varies with the voltage of the circuit supply rail and device parameters of the replicate circuit. The regulating circuit generates a regulated input stage supply using the generated voltage.


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