GB2598121B - Fully differential switched capacitor integrator circuit - Google Patents

Fully differential switched capacitor integrator circuit Download PDF

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Publication number
GB2598121B
GB2598121B GB2012908.6A GB202012908A GB2598121B GB 2598121 B GB2598121 B GB 2598121B GB 202012908 A GB202012908 A GB 202012908A GB 2598121 B GB2598121 B GB 2598121B
Authority
GB
United Kingdom
Prior art keywords
switched capacitor
integrator circuit
fully differential
capacitor integrator
differential switched
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
GB2012908.6A
Other versions
GB202012908D0 (en
GB2598121A (en
Inventor
Rovere Giovanni
Awqati Faisal
Gomez Saiz Alberto
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.)
Crypto Quantique Ltd
Original Assignee
Crypto Quantique Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Crypto Quantique Ltd filed Critical Crypto Quantique Ltd
Priority to GB2012908.6A priority Critical patent/GB2598121B/en
Publication of GB202012908D0 publication Critical patent/GB202012908D0/en
Publication of GB2598121A publication Critical patent/GB2598121A/en
Application granted granted Critical
Publication of GB2598121B publication Critical patent/GB2598121B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F3/00—Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements
    • H03F3/45—Differential amplifiers
    • H03F3/45071—Differential amplifiers with semiconductor devices only
    • H03F3/45479—Differential amplifiers with semiconductor devices only characterised by the way of common mode signal rejection
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F3/00—Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements
    • H03F3/45—Differential amplifiers
    • H03F3/45071—Differential amplifiers with semiconductor devices only
    • H03F3/45076—Differential amplifiers with semiconductor devices only characterised by the way of implementation of the active amplifying circuit in the differential amplifier
    • H03F3/45475—Differential amplifiers with semiconductor devices only characterised by the way of implementation of the active amplifying circuit in the differential amplifier using IC blocks as the active amplifying circuit
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F2200/00—Indexing scheme relating to amplifiers
    • H03F2200/264—An operational amplifier based integrator or transistor based integrator being used in an amplifying circuit
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F2203/00—Indexing scheme relating to amplifiers with only discharge tubes or only semiconductor devices as amplifying elements covered by H03F3/00
    • H03F2203/45—Indexing scheme relating to differential amplifiers
    • H03F2203/45514—Indexing scheme relating to differential amplifiers the FBC comprising one or more switched capacitors, and being coupled between the LC and the IC
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F2203/00—Indexing scheme relating to amplifiers with only discharge tubes or only semiconductor devices as amplifying elements covered by H03F3/00
    • H03F2203/45—Indexing scheme relating to differential amplifiers
    • H03F2203/45534—Indexing scheme relating to differential amplifiers the FBC comprising multiple switches and being coupled between the LC and the IC
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F2203/00—Indexing scheme relating to amplifiers with only discharge tubes or only semiconductor devices as amplifying elements covered by H03F3/00
    • H03F2203/45—Indexing scheme relating to differential amplifiers
    • H03F2203/45551—Indexing scheme relating to differential amplifiers the IC comprising one or more switched capacitors
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F2203/00—Indexing scheme relating to amplifiers with only discharge tubes or only semiconductor devices as amplifying elements covered by H03F3/00
    • H03F2203/45—Indexing scheme relating to differential amplifiers
    • H03F2203/45562—Indexing scheme relating to differential amplifiers the IC comprising a cross coupling circuit, e.g. comprising two cross-coupled transistors

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Amplifiers (AREA)
GB2012908.6A 2020-08-18 2020-08-18 Fully differential switched capacitor integrator circuit Active GB2598121B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB2012908.6A GB2598121B (en) 2020-08-18 2020-08-18 Fully differential switched capacitor integrator circuit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB2012908.6A GB2598121B (en) 2020-08-18 2020-08-18 Fully differential switched capacitor integrator circuit

Publications (3)

Publication Number Publication Date
GB202012908D0 GB202012908D0 (en) 2020-09-30
GB2598121A GB2598121A (en) 2022-02-23
GB2598121B true GB2598121B (en) 2022-08-24

Family

ID=72615423

Family Applications (1)

Application Number Title Priority Date Filing Date
GB2012908.6A Active GB2598121B (en) 2020-08-18 2020-08-18 Fully differential switched capacitor integrator circuit

Country Status (1)

Country Link
GB (1) GB2598121B (en)

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102297688A (en) * 2010-06-25 2011-12-28 中国科学院电子学研究所 Full-differential capacitance reading circuit for crosswise sampling secondary charge summation
EP2779444A1 (en) * 2013-03-13 2014-09-17 Linear Technology Corporation Leakage Compensation For Switched Capacitor Integrators
US20160233874A1 (en) * 2015-02-05 2016-08-11 Infineon Technologies Ag Cross-Coupled Input Voltage Sampling and Driver Amplifier Flicker Noise Cancellation in a Switched Capacitor Analog-to-Digital Converter
US9748969B1 (en) * 2016-04-14 2017-08-29 Infineon Technologies Ag Method of operation for an oversampled data converter

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102297688A (en) * 2010-06-25 2011-12-28 中国科学院电子学研究所 Full-differential capacitance reading circuit for crosswise sampling secondary charge summation
EP2779444A1 (en) * 2013-03-13 2014-09-17 Linear Technology Corporation Leakage Compensation For Switched Capacitor Integrators
US20160233874A1 (en) * 2015-02-05 2016-08-11 Infineon Technologies Ag Cross-Coupled Input Voltage Sampling and Driver Amplifier Flicker Noise Cancellation in a Switched Capacitor Analog-to-Digital Converter
US9748969B1 (en) * 2016-04-14 2017-08-29 Infineon Technologies Ag Method of operation for an oversampled data converter

Also Published As

Publication number Publication date
GB202012908D0 (en) 2020-09-30
GB2598121A (en) 2022-02-23

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