DE3768847D1 - Offset-korrigierter verstaerker. - Google Patents

Offset-korrigierter verstaerker.

Info

Publication number
DE3768847D1
DE3768847D1 DE8787105553T DE3768847T DE3768847D1 DE 3768847 D1 DE3768847 D1 DE 3768847D1 DE 8787105553 T DE8787105553 T DE 8787105553T DE 3768847 T DE3768847 T DE 3768847T DE 3768847 D1 DE3768847 D1 DE 3768847D1
Authority
DE
Germany
Prior art keywords
offset corrected
corrected amplifier
amplifier
offset
corrected
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 - Fee Related
Application number
DE8787105553T
Other languages
English (en)
Inventor
John Edward Bertsch
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.)
International Business Machines Corp
Original Assignee
International Business Machines Corp
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 International Business Machines Corp filed Critical International Business Machines Corp
Application granted granted Critical
Publication of DE3768847D1 publication Critical patent/DE3768847D1/de
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • H03F3/45928—Differential amplifiers with semiconductor devices only characterised by the way of common mode signal rejection using IC blocks as the active amplifying circuit
    • H03F3/45968—Differential amplifiers with semiconductor devices only characterised by the way of common mode signal rejection using IC blocks as the active amplifying circuit by offset reduction
    • H03F3/45973—Differential amplifiers with semiconductor devices only characterised by the way of common mode signal rejection using IC blocks as the active amplifying circuit by offset reduction by using a feedback circuit
    • H03F3/45977—Differential amplifiers with semiconductor devices only characterised by the way of common mode signal rejection using IC blocks as the active amplifying circuit by offset reduction by using a feedback circuit using switching means, e.g. sample and hold
    • 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
    • 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
    • H03F3/45632—Differential amplifiers with semiconductor devices only characterised by the way of common mode signal rejection in differential amplifiers with FET transistors as the active amplifying circuit
    • H03F3/45744—Differential amplifiers with semiconductor devices only characterised by the way of common mode signal rejection in differential amplifiers with FET transistors as the active amplifying circuit by offset reduction
    • H03F3/45748—Differential amplifiers with semiconductor devices only characterised by the way of common mode signal rejection in differential amplifiers with FET transistors as the active amplifying circuit by offset reduction by using a feedback circuit
    • H03F3/45753—Differential amplifiers with semiconductor devices only characterised by the way of common mode signal rejection in differential amplifiers with FET transistors as the active amplifying circuit by offset reduction by using a feedback circuit using switching means, e.g. sample and hold

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Amplifiers (AREA)
DE8787105553T 1986-04-30 1987-04-14 Offset-korrigierter verstaerker. Expired - Fee Related DE3768847D1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US06/857,651 US4707667A (en) 1986-04-30 1986-04-30 Offset corrected amplifier

Publications (1)

Publication Number Publication Date
DE3768847D1 true DE3768847D1 (de) 1991-05-02

Family

ID=25326447

Family Applications (1)

Application Number Title Priority Date Filing Date
DE8787105553T Expired - Fee Related DE3768847D1 (de) 1986-04-30 1987-04-14 Offset-korrigierter verstaerker.

Country Status (4)

Country Link
US (1) US4707667A (de)
EP (1) EP0243792B1 (de)
JP (1) JPS62261205A (de)
DE (1) DE3768847D1 (de)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4884039A (en) * 1988-09-09 1989-11-28 Texas Instruments Incorporated Differential amplifier with low noise offset compensation
FR2754405B1 (fr) * 1996-10-08 1998-12-18 Dolphin Integration Sa Montage a faible bruit d'un amplificateur
JP2001292041A (ja) * 2000-04-07 2001-10-19 Fujitsu Ltd オペアンプおよびそのオフセットキャンセル回路
JP4629279B2 (ja) * 2001-08-17 2011-02-09 富士通セミコンダクター株式会社 オフセットキャンセル機能を有するオペアンプ
DE10303427A1 (de) 2002-02-06 2003-10-16 Nec Corp Tokio Tokyo Verstärker-Schaltung, Treiber-Schaltung für ein Anzeigegerät , tragbares Telefon und tragbares elektronisches Gerät
JP4040575B2 (ja) * 2003-12-19 2008-01-30 三菱電機株式会社 電圧発生回路
EP1758243A1 (de) * 2005-08-26 2007-02-28 Acqiris SA Abtast-Halte-Schaltungsanordnung und Verstärker mit geringem Offset
JP5251541B2 (ja) * 2009-01-26 2013-07-31 富士通セミコンダクター株式会社 定電圧発生回路およびレギュレータ回路
CN103066926B (zh) * 2012-12-11 2015-08-19 中国人民解放军海军工程大学 用于积分电路的自动数字稳零电路

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1239213A (de) * 1967-07-12 1971-07-14
US3936759A (en) * 1974-04-17 1976-02-03 The United States Of America As Represented By The Secretary Of The Air Force Offset reduction apparatus for analog circuits
US3988689A (en) * 1975-02-07 1976-10-26 National Semiconductor Corporation Offset corrected amplifier
US4209717A (en) * 1977-11-07 1980-06-24 Litton Industrial Products, Inc. Sample and hold circuit
US4190805A (en) * 1977-12-19 1980-02-26 Intersil, Inc. Commutating autozero amplifier
US4211939A (en) * 1978-03-09 1980-07-08 Furman Anatoly V Operational amplifier with switching error elimination
US4229703A (en) * 1979-02-12 1980-10-21 Varian Associates, Inc. Zero reference and offset compensation circuit
JPS6244597Y2 (de) * 1979-12-05 1987-11-26
US4374362A (en) * 1981-02-17 1983-02-15 Sys-Tec, Inc. Instrument zeroing circuit
EP0101571B1 (de) * 1982-07-30 1987-01-28 Kabushiki Kaisha Toshiba Spannungsdifferenz-Verstärker
CH659745A5 (de) * 1983-06-08 1987-02-13 Landis & Gyr Ag Verstaerker mit niedriger offset-spannung.

Also Published As

Publication number Publication date
EP0243792B1 (de) 1991-03-27
US4707667A (en) 1987-11-17
EP0243792A1 (de) 1987-11-04
JPH0585085B2 (de) 1993-12-06
JPS62261205A (ja) 1987-11-13

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee