CA1172709A - Multiple function operational amplifier circuit - Google Patents

Multiple function operational amplifier circuit

Info

Publication number
CA1172709A
CA1172709A CA000401184A CA401184A CA1172709A CA 1172709 A CA1172709 A CA 1172709A CA 000401184 A CA000401184 A CA 000401184A CA 401184 A CA401184 A CA 401184A CA 1172709 A CA1172709 A CA 1172709A
Authority
CA
Canada
Prior art keywords
operational amplifier
dac
input
circuit
plate
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.)
Expired
Application number
CA000401184A
Other languages
English (en)
French (fr)
Inventor
Stephen H. Kelley
Robert N. Allgood
Richard W. Ulmer
Henry Wurzburg
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.)
Motorola Solutions Inc
Original Assignee
Motorola Inc
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 Motorola Inc filed Critical Motorola Inc
Application granted granted Critical
Publication of CA1172709A publication Critical patent/CA1172709A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F1/00—Details of amplifiers with only discharge tubes, only semiconductor devices or only unspecified devices as amplifying elements
    • H03F1/30—Modifications of amplifiers to reduce influence of variations of temperature or supply voltage or other physical parameters
    • H03F1/303—Modifications of amplifiers to reduce influence of variations of temperature or supply voltage or other physical parameters using a switching device
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
    • H03H19/00—Networks using time-varying elements, e.g. N-path filters
    • H03H19/004—Switched capacitor networks

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Analogue/Digital Conversion (AREA)
  • Filters That Use Time-Delay Elements (AREA)
  • Amplifiers (AREA)
CA000401184A 1981-05-08 1982-04-19 Multiple function operational amplifier circuit Expired CA1172709A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US06/261,848 US4370632A (en) 1981-05-08 1981-05-08 Multiple function operational amplifier circuit
US261,848 1981-05-08

Publications (1)

Publication Number Publication Date
CA1172709A true CA1172709A (en) 1984-08-14

Family

ID=22995140

Family Applications (1)

Application Number Title Priority Date Filing Date
CA000401184A Expired CA1172709A (en) 1981-05-08 1982-04-19 Multiple function operational amplifier circuit

Country Status (6)

Country Link
US (1) US4370632A (en, 2012)
EP (1) EP0078303B1 (en, 2012)
JP (1) JPS58500686A (en, 2012)
CA (1) CA1172709A (en, 2012)
DE (1) DE3279500D1 (en, 2012)
WO (1) WO1982003955A1 (en, 2012)

Families Citing this family (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4455539A (en) * 1982-08-13 1984-06-19 Motorola, Inc. Switched capacitor all pass filter
US4519083A (en) * 1982-08-16 1985-05-21 Texas Instruments Incorporated Bilateral digital data transmission system
BE897773A (nl) * 1983-09-19 1984-03-19 Bell Telephone Mfg Cy Pulse code modulatie omzetter
US4531106A (en) * 1983-10-04 1985-07-23 At&T Technologies, Inc. Switched capacitor circuits
JPH0657075B2 (ja) * 1984-05-29 1994-07-27 富士通株式会社 ディジタル通話路装置
JPS6156501A (ja) * 1984-08-28 1986-03-22 Toshiba Corp 整流回路
FR2619975B1 (fr) * 1987-08-28 1989-11-17 France Etat Cellule biquadratique a capacites commutees sans boucle continue de contre-reaction et a faible sensibilite par rapport au gain des amplificateurs operationnels et au ratio des capacites
FR2624324B1 (fr) * 1987-12-08 1991-10-11 Thomson Hybrides Microondes Comparateur de tensions electriques a autocalibration differentielle
JPH0464033U (en, 2012) * 1990-10-12 1992-06-01
US5262681A (en) * 1990-10-31 1993-11-16 Kikusui Electronics Corporation Trigger source switching circuit
GB9302881D0 (en) * 1993-02-12 1993-03-31 Pilkington Micro Electronics Programmable switched capacitor circuit
JPH0684999U (ja) * 1993-05-24 1994-12-06 卓弥 今 吸臭口装着トイレ
WO2001054270A1 (de) * 2000-01-21 2001-07-26 Infineon Technologies Ag Verstärker- oder filterschaltung in 'switched-capacitor'-schaltungstechnik und verfahren zur verstärkung oder filterung von signalen
US7199740B1 (en) * 2000-05-21 2007-04-03 Analog Devices, Inc. Method and apparatus for use in switched capacitor systems
US6873278B1 (en) * 2000-05-21 2005-03-29 Analog Devices, Inc. Method and apparatus for use in switched capacitor systems
US6437720B1 (en) 2001-02-16 2002-08-20 Conexant Systems, Inc. Code independent charge transfer scheme for switched-capacitor digital-to-analog converter
JP3801602B2 (ja) * 2004-06-23 2006-07-26 株式会社半導体理工学研究センター Ｄａ変換回路及びそれを用いたδσａｄ変調器
EP1770867B1 (en) 2005-09-08 2017-05-31 Marvell World Trade Ltd. Capacitive digital to analog and analog to digital converters
US7439896B2 (en) * 2005-09-08 2008-10-21 Marvell World Trade Ltd. Capacitive digital to analog and analog to digital converters
JP2010171627A (ja) * 2009-01-21 2010-08-05 Sony Corp 半導体集積回路、液晶駆動回路及び液晶表示装置
CN119341571B (zh) * 2024-10-12 2025-06-10 北京京瀚禹电子工程技术有限公司 异步范式的具有动态计算能力及可变精度量化的adc电路

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4151429A (en) * 1977-10-03 1979-04-24 Northern Telecom Limited Differential charge sensing circuit for MOS devices
US4210872A (en) * 1978-09-08 1980-07-01 American Microsystems, Inc. High pass switched capacitor filter section
US4315227A (en) * 1979-12-05 1982-02-09 Bell Telephone Laboratories, Incorporated Generalized switched-capacitor active filter
US4331894A (en) * 1980-05-29 1982-05-25 American Microsystems, Inc. Switched-capacitor interolation filter

Also Published As

Publication number Publication date
EP0078303A4 (en) 1986-08-21
EP0078303B1 (en) 1989-03-01
EP0078303A1 (en) 1983-05-11
JPS58500686A (ja) 1983-04-28
US4370632A (en) 1983-01-25
JPH0262968B2 (en, 2012) 1990-12-27
DE3279500D1 (en) 1989-04-06
WO1982003955A1 (en) 1982-11-11

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Legal Events

Date Code Title Description
MKEC Expiry (correction)
MKEX Expiry