CN111865274B8 - 比较器电路 - Google Patents

比较器电路 Download PDF

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Publication number
CN111865274B8
CN111865274B8 CN201910332533.2A CN201910332533A CN111865274B8 CN 111865274 B8 CN111865274 B8 CN 111865274B8 CN 201910332533 A CN201910332533 A CN 201910332533A CN 111865274 B8 CN111865274 B8 CN 111865274B8
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CN
China
Prior art keywords
positive feedback
comparator
current
node
feedback circuit
Prior art date
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CN201910332533.2A
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English (en)
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CN111865274A (zh
CN111865274B (zh
Inventor
郝报田
王维铁
李超
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Yateli Technology Chongqing Co ltd
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Yateli Technology Chongqing Co ltd
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Priority to CN201910332533.2A priority Critical patent/CN111865274B8/zh
Priority to US16/671,137 priority patent/US10693447B1/en
Publication of CN111865274A publication Critical patent/CN111865274A/zh
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Publication of CN111865274B publication Critical patent/CN111865274B/zh
Publication of CN111865274B8 publication Critical patent/CN111865274B8/zh
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Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03K—PULSE TECHNIQUE
    • H03K5/00—Manipulating of pulses not covered by one of the other main groups of this subclass
    • H03K5/22—Circuits having more than one input and one output for comparing pulses or pulse trains with each other according to input signal characteristics, e.g. slope, integral
    • H03K5/24—Circuits having more than one input and one output for comparing pulses or pulse trains with each other according to input signal characteristics, e.g. slope, integral the characteristic being amplitude
    • H03K5/2472—Circuits having more than one input and one output for comparing pulses or pulse trains with each other according to input signal characteristics, e.g. slope, integral the characteristic being amplitude using field effect transistors
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03K—PULSE TECHNIQUE
    • H03K5/00—Manipulating of pulses not covered by one of the other main groups of this subclass
    • H03K5/22—Circuits having more than one input and one output for comparing pulses or pulse trains with each other according to input signal characteristics, e.g. slope, integral
    • H03K5/24—Circuits having more than one input and one output for comparing pulses or pulse trains with each other according to input signal characteristics, e.g. slope, integral the characteristic being amplitude
    • H03K5/2472—Circuits having more than one input and one output for comparing pulses or pulse trains with each other according to input signal characteristics, e.g. slope, integral the characteristic being amplitude using field effect transistors
    • H03K5/2481—Circuits having more than one input and one output for comparing pulses or pulse trains with each other according to input signal characteristics, e.g. slope, integral the characteristic being amplitude using field effect transistors with at least one differential stage
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03K—PULSE TECHNIQUE
    • H03K5/00—Manipulating of pulses not covered by one of the other main groups of this subclass
    • H03K5/22—Circuits having more than one input and one output for comparing pulses or pulse trains with each other according to input signal characteristics, e.g. slope, integral
    • H03K5/24—Circuits having more than one input and one output for comparing pulses or pulse trains with each other according to input signal characteristics, e.g. slope, integral the characteristic being amplitude
    • H03K5/2409—Circuits having more than one input and one output for comparing pulses or pulse trains with each other according to input signal characteristics, e.g. slope, integral the characteristic being amplitude using bipolar transistors

Landscapes

  • Physics & Mathematics (AREA)
  • Nonlinear Science (AREA)
  • Manipulation Of Pulses (AREA)

Abstract

本发明公开了一种比较器电路，包含：比较器，耦接于电源电压与接地电压之间，用来依据一组输入信号进行比较以产生比较信号；电流源；以及正反馈电路。比较器包含一组输入端子以及分别耦接于电源电压与节点或接地电压之间的多组晶体管。正反馈电路对节点进行正反馈操作以于节点产生多个瞬间电流，以使比较器响应所述组输入信号的切换实时切换比较信号。任一正反馈电路包含：第一开关，用来响应比较信号的切换启用或禁用所述任一正反馈电路，启用时，第一电流通过第一开关；以及一组晶体管，用来产生对应于第一电流的第二电流，多个瞬间电流中的一瞬间电流对应于第二电流。本发明的比较器电路能打破速度和功率之间权衡，达到电子装置的优化效能。
CN201910332533.2A 2019-04-24 2019-04-24 比较器电路 Active CN111865274B8 (zh)

Priority Applications (2)

Application Number Priority Date Filing Date Title
CN201910332533.2A CN111865274B8 (zh) 2019-04-24 2019-04-24 比较器电路
US16/671,137 US10693447B1 (en) 2019-04-24 2019-10-31 Comparator circuit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201910332533.2A CN111865274B8 (zh) 2019-04-24 2019-04-24 比较器电路

Publications (3)

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CN111865274A CN111865274A (zh) 2020-10-30
CN111865274B CN111865274B (zh) 2024-01-30
CN111865274B8 true CN111865274B8 (zh) 2024-03-08

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US (1) US10693447B1 (zh)
CN (1) CN111865274B8 (zh)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US11626868B1 (en) * 2022-01-27 2023-04-11 Elite Semiconductor Microelectronics Technology Inc. Comparator circuit with dynamic biasing

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102025352A (zh) * 2010-11-08 2011-04-20 中国兵器工业集团第二一四研究所苏州研发中心 一种迟滞电压比较器
JP2017046046A (ja) * 2015-08-24 2017-03-02 富士通株式会社 コンパレータ、電子回路、及びコンパレータの制御方法
US9654092B1 (en) * 2016-08-08 2017-05-16 Xcelsem, Llc High speed gain stage with analog input and determinable digital output using regenerative feedback
CN107888171A (zh) * 2017-11-16 2018-04-06 上海北京大学微电子研究院 一种高速低回踢噪声动态比较器及电路
CN108768352A (zh) * 2018-07-17 2018-11-06 上海艾为电子技术股份有限公司 比较器

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5488321A (en) * 1993-04-07 1996-01-30 Rambus, Inc. Static high speed comparator
US8476935B2 (en) * 2009-07-02 2013-07-02 Robert Bosch Gmbh Comparator with self-limiting positive feedback
IT201600076746A1 (it) * 2016-07-21 2018-01-21 St Microelectronics Srl Circuito comparatore a tempo continuo ad alta velocita'
US10491205B2 (en) * 2017-12-15 2019-11-26 Qualcomm Incorporated Comparator for globally distributed regulators
CN110568896B (zh) * 2018-06-05 2021-01-05 中芯国际集成电路制造(北京)有限公司 比较器、集成电路和方法

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102025352A (zh) * 2010-11-08 2011-04-20 中国兵器工业集团第二一四研究所苏州研发中心 一种迟滞电压比较器
JP2017046046A (ja) * 2015-08-24 2017-03-02 富士通株式会社 コンパレータ、電子回路、及びコンパレータの制御方法
US9654092B1 (en) * 2016-08-08 2017-05-16 Xcelsem, Llc High speed gain stage with analog input and determinable digital output using regenerative feedback
CN107888171A (zh) * 2017-11-16 2018-04-06 上海北京大学微电子研究院 一种高速低回踢噪声动态比较器及电路
CN108768352A (zh) * 2018-07-17 2018-11-06 上海艾为电子技术股份有限公司 比较器

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Publication number Publication date
US10693447B1 (en) 2020-06-23
CN111865274A (zh) 2020-10-30
CN111865274B (zh) 2024-01-30

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PB01 Publication
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SE01 Entry into force of request for substantive examination
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GR01 Patent grant
GR01 Patent grant
CI03 Correction of invention patent

Correction item: Address

Correct: 400039, 9th Floor, Building 1, Kangtian West Jinhui, No. 60 Kecheng Road, Jiulongpo District, Chongqing

False: 9th Floor, Building 1, Kangtian West Jinhui, No. 60 Kecheng Road, Jiulongpo District, Chongqing, 400000

Number: 05-01

Volume: 40

Correction item: Address

Correct: 400039, 9th Floor, Building 1, Kangtian West Jinhui, No. 60 Kecheng Road, Jiulongpo District, Chongqing

False: 9th Floor, Building 1, Kangtian West Jinhui, No. 60 Kecheng Road, Jiulongpo District, Chongqing, 400000

Number: 05-01

Page: The title page

Volume: 40

CI03 Correction of invention patent
OR01 Other related matters
OR01 Other related matters