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:
Nov. 03, 2026

Filed:

Jul. 30, 2024
Applicant:

Mediatek Inc., Hsinchu, TW;

Inventor:

Nikhil Ramachandra, San Jose, CA (US);

Assignee:

MEDIATEK INC., Hsinchu City, TW;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H03M 1/38 (2006.01); H03M 1/06 (2006.01); H03M 1/10 (2006.01);
U.S. Cl.
CPC ...
H03M 1/1023 (2013.01); H03M 1/0607 (2013.01);
Abstract

A controller obtains a first calibrated gain of a residue amplifier. The residue amplifier amplifies a first residue voltage to a voltage corresponding to a first output code of a second stage of the pipelined ADC. The first residue voltage is output from a capacitive digital-to-analog converter (CDAC) of a first stage of the pipelined ADC. The controller obtains a second calibrated gain of the residue amplifier. The residue amplifier amplifies a second residue voltage to a voltage corresponding to a second output code of the second stage of the pipelined ADC. The second residue voltage is output from the CDAC of the first stage of the pipelined ADC. The controller determines a final calibrated gain of the residue amplifier based on the first calibrated gain and the second calibrated gain.


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Ramachandra, Nikhil. (2026). Pipeline successive approximation analog-to-digital converter residue amplifier offset cancellation (U.S. Patent No. 12785709). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/12785709

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

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