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.
Patent No.:
Date of Patent:
Nov. 18, 2025
Filed:
Dec. 28, 2023
China Electronics Technology Group Corporation No. 24 Research Institute, Chongqing, CN;
Ting Li, Chongqing, CN;
Ruzhang Li, Chongqing, CN;
Yong Zhang, Chongqing, CN;
Yabo Ni, Chongqing, CN;
Chao Chen, Chongqing, CN;
Liang Li, Chongqing, CN;
Huaiqiang Yu, Chongqing, CN;
Dongbing Fu, Chongqing, CN;
Jianan Wang, Chongqing, CN;
Guangbing Chen, Chongqing, CN;
Abstract
A method for calibrating an analog-to-digital converter includes the following steps: conducting an initial performance test and judgement on the analog-to-digital converter; if the initial performance test succeeds, performing a pre-trimming and judgement on the analog-to-digital converter; if the pre-trimming succeeds, performing an error extraction on the analog-to-digital converter, obtaining errors of conversion stages of the analog-to-digital converter; performing an error soft trimming and test on the analog-to-digital converter according to the errors of the conversion stages; and if the error soft trimming and test of the analog-to-digital converter succeed, performing an error hard trimming and test on the analog-to-digital converter according to the errors of the conversion stages.