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:
Jan. 21, 2025

Filed:

Mar. 09, 2023
Applicant:

Realtek Semiconductor Corporation, Hsinchu, TW;

Inventors:

Shih-Hsiung Huang, Hsinchu, TW;

Wei-Cian Hong, Hsinchu, TW;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H03M 1/12 (2006.01); H03M 1/46 (2006.01); H03H 19/00 (2006.01);
U.S. Cl.
CPC ...
H03M 1/466 (2013.01); H03H 19/004 (2013.01);
Abstract

A comparator-based switched-capacitor circuit has a first input terminal, a second input terminal, a first output terminal, and a second output terminal, and includes an analog-to-digital converter (ADC), a decoder, and a switch-capacitor network. The ADC is coupled to the first input terminal and the second input terminal and includes a plurality of comparators. The decoder is coupled to the ADC. The switch-capacitor network includes a comparator, a first current source, a second current source, a plurality of switches, and a plurality of capacitors. The first current source is coupled to the comparator and the first output terminal. The second current source is coupled to the comparator and the second output terminal. The voltage of the first output terminal and the voltage of the second output terminal do not exceed a target range.


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