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. 07, 2023

Filed:

Mar. 01, 2022
Applicant:

International Business Machines Corporation, Armonk, NY (US);

Inventors:

Marcel A. Kossel, Reichenburg, CH;

Pier Andrea Francese, Adliswil, CH;

Abdullah Serdar Yonar, Zurich, CH;

Mridula Prathapan, Adliswil, CH;

Thomas Morf, Gross, CH;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H03M 1/12 (2006.01); H04B 1/16 (2006.01);
U.S. Cl.
CPC ...
H03M 1/124 (2013.01); H03M 1/121 (2013.01); H04B 1/16 (2013.01);
Abstract

Disclosed herein is an analog-to-digital converter circuit configured for digitizing an analog input signal. The analog-to-digital converter comprises an analog input configured for receiving the analog input signal. The analog-to-digital converter circuit further comprises at least one sub-ADC connected to the analog input signal, wherein the at least one sub-ADC is configured to output at least one encoded output vector in response to receiving the analog input signal. The analog-to-digital converter circuit further comprises a lookup circuit comprising a nested lookup table. The lookup circuit is configured to select an output value from the nested lookup table using the at least one encoded output vector, wherein the lookup circuit is configured to provide the output value as the digitization of the analog input signal.


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