FR2793087B1 - Circuit et procede de compensation de la tension de decalage dans un amplificateur operationnel - Google Patents

Circuit et procede de compensation de la tension de decalage dans un amplificateur operationnel

Info

Publication number
FR2793087B1
FR2793087B1 FR9905396A FR9905396A FR2793087B1 FR 2793087 B1 FR2793087 B1 FR 2793087B1 FR 9905396 A FR9905396 A FR 9905396A FR 9905396 A FR9905396 A FR 9905396A FR 2793087 B1 FR2793087 B1 FR 2793087B1
Authority
FR
France
Prior art keywords
circuit
operational amplifier
offset voltage
compensating offset
compensating
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 - Lifetime
Application number
FR9905396A
Other languages
English (en)
Other versions
FR2793087A1 (fr
Inventor
Dragos Davidescu
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.)
STMicroelectronics SA
Original Assignee
STMicroelectronics SA
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 STMicroelectronics SA filed Critical STMicroelectronics SA
Priority to FR9905396A priority Critical patent/FR2793087B1/fr
Priority to US09/558,981 priority patent/US6426674B1/en
Publication of FR2793087A1 publication Critical patent/FR2793087A1/fr
Application granted granted Critical
Publication of FR2793087B1 publication Critical patent/FR2793087B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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
    • 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
    • H03F1/304—Modifications of amplifiers to reduce influence of variations of temperature or supply voltage or other physical parameters using a switching device and using digital means

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Amplifiers (AREA)
FR9905396A 1999-04-28 1999-04-28 Circuit et procede de compensation de la tension de decalage dans un amplificateur operationnel Expired - Lifetime FR2793087B1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
FR9905396A FR2793087B1 (fr) 1999-04-28 1999-04-28 Circuit et procede de compensation de la tension de decalage dans un amplificateur operationnel
US09/558,981 US6426674B1 (en) 1999-04-28 2000-04-27 Circuit and method for compensating an offset voltage in an operational amplifier

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR9905396A FR2793087B1 (fr) 1999-04-28 1999-04-28 Circuit et procede de compensation de la tension de decalage dans un amplificateur operationnel

Publications (2)

Publication Number Publication Date
FR2793087A1 FR2793087A1 (fr) 2000-11-03
FR2793087B1 true FR2793087B1 (fr) 2001-06-29

Family

ID=9544981

Family Applications (1)

Application Number Title Priority Date Filing Date
FR9905396A Expired - Lifetime FR2793087B1 (fr) 1999-04-28 1999-04-28 Circuit et procede de compensation de la tension de decalage dans un amplificateur operationnel

Country Status (2)

Country Link
US (1) US6426674B1 (fr)
FR (1) FR2793087B1 (fr)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10004996C2 (de) 2000-02-04 2002-09-26 Infineon Technologies Ag Vorrichtung und Verfahren zur Selbstkalibrierung von Faltungs-Analog/Digitalwandlern
DE10233243B4 (de) * 2002-07-18 2005-10-13 Infineon Technologies Ag Schaltungsanordnung zur Regeneration von Taktsignalen
JP4412027B2 (ja) * 2004-03-29 2010-02-10 日本電気株式会社 増幅回路及び表示装置
US7358809B2 (en) * 2004-11-08 2008-04-15 Elder J Scott Method for forming elements with reduced variation
US7218171B1 (en) * 2005-02-08 2007-05-15 Linear Technology Corporation Voltage offset measurement for calibration of an integrated circuit amplifier
CN101277094B (zh) * 2007-03-29 2010-05-26 联詠科技股份有限公司 可补偿偏移电压的运算放大器
DE102007052440B4 (de) * 2007-11-02 2009-11-19 Hottinger Baldwin Messtechnik Gmbh Verfahren und Anordnung eines Messverstärkers zur Korrektur von Eingangssignalen
JP2010286720A (ja) * 2009-06-12 2010-12-24 Renesas Electronics Corp 表示制御回路
WO2011092767A1 (fr) * 2010-02-01 2011-08-04 パナソニック株式会社 Circuit amplificateur operationnel, dispositif de commande de signal, dispositif d'affichage et procede de reglage de tension de decalage
US8476971B2 (en) * 2010-05-14 2013-07-02 Taiwan Semiconductor Manufacturing Co., Ltd. Buffer operational amplifier with self-offset compensator and embedded segmented DAC for improved linearity LCD driver
US9614502B2 (en) 2015-08-04 2017-04-04 Qualcomm Incorporated Accurate sample latch offset compensation scheme

Family Cites Families (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5754076A (en) 1993-12-13 1998-05-19 Nec Corporation Differential circuit having a variable current circuit for producing an exponential or a square transfer characteristic
US4371843A (en) 1980-07-07 1983-02-01 Bell Telephone Laboratories, Incorporated Semiconductor differential amplifier circuit with feedback bias control
US4616189A (en) 1985-04-26 1986-10-07 Triquint Semiconductor, Inc. Gallium arsenide differential amplifier with closed loop bias stabilization
EP0491980B1 (fr) 1990-12-22 1996-10-09 Deutsche ITT Industries GmbH Regulateur de tension avec amplificateur CMOS de transconductance avec polarisation glissante
JP3409053B2 (ja) 1991-05-29 2003-05-19 Ｎｅｃエレクトロニクス株式会社 複合差動増幅器
US5142238A (en) * 1991-07-18 1992-08-25 Silicon Systems, Inc. Switched-capacitor differential amplifier
US5396245A (en) * 1993-01-21 1995-03-07 Linear Technology Corporation Digital to analog converter
US5349304A (en) * 1993-02-12 1994-09-20 Sgs-Thomson Microelectronics, Inc. Operational amplifier having multiple positive inputs
US5397944A (en) * 1993-04-09 1995-03-14 Crystal Semiconductor Corporation Dense offset calibration circuitry and method
US5422529A (en) 1993-12-10 1995-06-06 Rambus, Inc. Differential charge pump circuit with high differential and low common mode impedance
US5397994A (en) 1993-12-28 1995-03-14 Alkon Corporation Moisture measurement gauge for particulates including a transmission line forming part of a resonant circuit
US5475339A (en) 1994-05-06 1995-12-12 National Semiconductor Corporation Op amp with rail to rail output swing and employing an improved current mirror circuit
US5432475A (en) * 1994-06-15 1995-07-11 Silicon Systems, Inc. Method of offset voltage trim for automatic gain controls
US5451901A (en) 1994-07-01 1995-09-19 Cirrus Logic Inc. Transconductance amplifiers and exponential variable gain amplifiers using the same
US5789974A (en) * 1996-07-17 1998-08-04 Analog Devices, Inc. Calibrating the DC-offset of amplifiers
US5777514A (en) 1996-09-27 1998-07-07 Micro Linear Corporation Differential to single ended conversion technique for an operational amplifier having low input offset voltage, high speed and high gain

Also Published As

Publication number Publication date
FR2793087A1 (fr) 2000-11-03
US6426674B1 (en) 2002-07-30

Similar Documents

Publication Publication Date Title
FR2803069B1 (fr) Procede et systeme de compensation de l'epaisseur d'un organe
DE60037418D1 (de) Offset und nichtlinearitätkompensierterverstärker und verfahren
AU2437001A (en) System and method for measuring web page advertisement impressions
DE69706064D1 (de) Intermodulationsausgleich in mehrkanal-verstärkern
FR2793087B1 (fr) Circuit et procede de compensation de la tension de decalage dans un amplificateur operationnel
DE69718304D1 (de) Adaptive verzerrungskompensationsschaltung für verstärker
DE69831072D1 (de) Gleichspannungsoffset- und verstärkungskorrektur für cmos-bildsensoren
NO20012472L (no) Apparat og fremgangsmåte for brönnforvaltning
EE200000295A (et) Meetod ja seade sagedusnihke hindamiseks
DE69630157D1 (de) Verstärker mit Pixelspannungskompensation für eine Anzeigevorrichtung
NO20001546D0 (no) Fremgangsmåte og apparat for NMR-brønnlogging
NO20013914L (no) Temperaturkompensert NMR-apparat og -fremgangsmåte
FR2780162B1 (fr) Structure de test de circuit, circuit integre et procede de test
NO983958L (no) Kjørbar understellsramme for rullestol
DE60135702D1 (de) Kompensationsvorrichtung für nichtlineare Verzerrungen
EE9800448A (et) Seade ja meetod faasimoonutuse kompenseerimiseks
DE69801436D1 (de) Tragrahmen für einschiebbare elektronische baugruppen
DE59905193D1 (de) Tripod-lagerungseinrichtung und verfahren zur torsionskompensation
DE69804155D1 (de) Serienaufzeichnungsgerät und Kompensationsverfahren für defekte punktbildende Elemente
DE60023249D1 (de) Verstärker mit Verzerrungskompensation
NO954729D0 (no) Fölerkrets og framgangsmåte for kompensasjon
FR2802016B1 (fr) Transformateur de courant et procede de correction des asymetries de celui-ci
FR2786623B1 (fr) Procede de commande de charge et de decharge
FI980652A (fi) Menetelmä ja laitteisto modulaation ilmaisemiseksi
FR2790095B1 (fr) Dispositif de mesure de courant et procede correspondant