JP7315868B2 - 自己校正機能付きａｄコンバータ - Google Patents

自己校正機能付きａｄコンバータ Download PDF

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Publication number
JP7315868B2
JP7315868B2 JP2021519937A JP2021519937A JP7315868B2 JP 7315868 B2 JP7315868 B2 JP 7315868B2 JP 2021519937 A JP2021519937 A JP 2021519937A JP 2021519937 A JP2021519937 A JP 2021519937A JP 7315868 B2 JP7315868 B2 JP 7315868B2
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Japan
Prior art keywords
voltage
integration
unit
input
reference voltage
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JP2021519937A
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English (en)
Japanese (ja)
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JPWO2020234995A1 (https=
Inventor
直志 美濃谷
賢一 松永
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
NTT Inc
NTT Inc USA
Original Assignee
Nippon Telegraph and Telephone Corp
NTT Inc USA
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Publication of JPWO2020234995A1 publication Critical patent/JPWO2020234995A1/ja
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    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
    • H03M1/00—Analogue/digital conversion; Digital/analogue conversion
    • H03M1/10—Calibration or testing
    • H03M1/1009—Calibration
    • H03M1/1014—Calibration at one point of the transfer characteristic, i.e. by adjusting a single reference value, e.g. bias or gain error
    • H03M1/1023—Offset correction
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
    • H03M1/00—Analogue/digital conversion; Digital/analogue conversion
    • H03M1/10—Calibration or testing
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
    • H03M1/00—Analogue/digital conversion; Digital/analogue conversion
    • H03M1/12—Analogue/digital converters
    • H03M1/50—Analogue/digital converters with intermediate conversion to time interval
    • H03M1/56—Input signal compared with linear ramp

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  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Analogue/Digital Conversion (AREA)
JP2021519937A 2019-05-21 2019-05-21 自己校正機能付きａｄコンバータ Active JP7315868B2 (ja)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/JP2019/020097 WO2020234995A1 (ja) 2019-05-21 2019-05-21 自己校正機能付きａｄコンバータ

Publications (2)

Publication Number Publication Date
JPWO2020234995A1 JPWO2020234995A1 (https=) 2020-11-26
JP7315868B2 true JP7315868B2 (ja) 2023-07-27

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ID=73459080

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JP2021519937A Active JP7315868B2 (ja) 2019-05-21 2019-05-21 自己校正機能付きａｄコンバータ

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US (1) US11770127B2 (https=)
JP (1) JP7315868B2 (https=)
WO (1) WO2020234995A1 (https=)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US11714437B2 (en) * 2019-05-28 2023-08-01 Nippon Telegraph And Telephone Corporation Variable reference voltage source
JP7530007B2 (ja) * 2020-06-03 2024-08-07 日本電信電話株式会社 Ａｄコンバータ
US12470227B2 (en) * 2021-06-16 2025-11-11 Ntt, Inc. Self-calibration-function-equipped A/D converter

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20050197796A1 (en) 2004-08-16 2005-09-08 Daigle Clayton H. Calibrating analog-to-digital systems using a precision reference and a pulse-width modulation circuit to reduce local and large signal nonlinearities
JP2010199799A (ja) 2009-02-24 2010-09-09 Renesas Electronics Corp アナログデジタル変換回路
JP2015204541A (ja) 2014-04-15 2015-11-16 日本電信電話株式会社 センサ回路

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0575465A (ja) * 1991-09-12 1993-03-26 Hitachi Ltd フイールド機器用ａ／ｄ変換器
US5117227A (en) * 1991-09-27 1992-05-26 Hewlett-Packard Company Continuously integrating high-resolution analog-to-digital converter
JP2010010921A (ja) * 2008-06-25 2010-01-14 Fujitsu Ltd Ａｄ変換装置及びａｄ変換方法
EP2629428A1 (en) * 2012-02-16 2013-08-21 Imec A/D Converter and Method for Calibrating the Same
JP7079914B2 (ja) * 2018-11-12 2022-06-03 日本電信電話株式会社 自己校正機能付きａｄコンバータ
JP7089182B2 (ja) * 2018-11-19 2022-06-22 日本電信電話株式会社 可変基準電圧源

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20050197796A1 (en) 2004-08-16 2005-09-08 Daigle Clayton H. Calibrating analog-to-digital systems using a precision reference and a pulse-width modulation circuit to reduce local and large signal nonlinearities
JP2010199799A (ja) 2009-02-24 2010-09-09 Renesas Electronics Corp アナログデジタル変換回路
JP2015204541A (ja) 2014-04-15 2015-11-16 日本電信電話株式会社 センサ回路

Also Published As

Publication number Publication date
WO2020234995A1 (ja) 2020-11-26
US11770127B2 (en) 2023-09-26
JPWO2020234995A1 (https=) 2020-11-26
US20220337262A1 (en) 2022-10-20

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