DE69225620D1 - Operationsverstärker - Google Patents

Operationsverstärker

Info

Publication number
DE69225620D1
DE69225620D1 DE69225620T DE69225620T DE69225620D1 DE 69225620 D1 DE69225620 D1 DE 69225620D1 DE 69225620 T DE69225620 T DE 69225620T DE 69225620 T DE69225620 T DE 69225620T DE 69225620 D1 DE69225620 D1 DE 69225620D1
Authority
DE
Germany
Prior art keywords
operational amplifier
amplifier
operational
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
DE69225620T
Other languages
English (en)
Other versions
DE69225620T2 (de
Inventor
Toshiyuki Okamoto
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.)
NEC Corp
Original Assignee
NEC 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 NEC Corp filed Critical NEC Corp
Publication of DE69225620D1 publication Critical patent/DE69225620D1/de
Application granted granted Critical
Publication of DE69225620T2 publication Critical patent/DE69225620T2/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
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F3/00—Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements
    • H03F3/30—Single-ended push-pull [SEPP] amplifiers; Phase-splitters therefor
    • H03F3/3001—Single-ended push-pull [SEPP] amplifiers; Phase-splitters therefor with field-effect transistors
    • 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
    • H03F2203/45421—Indexing scheme relating to differential amplifiers the CMCL comprising a switched capacitor addition circuit

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Amplifiers (AREA)
DE69225620T 1991-01-18 1992-01-14 Operationsverstärker Expired - Fee Related DE69225620T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP3004191A JP2705317B2 (ja) 1991-01-18 1991-01-18 演算増幅器

Publications (2)

Publication Number Publication Date
DE69225620D1 true DE69225620D1 (de) 1998-07-02
DE69225620T2 DE69225620T2 (de) 1999-01-14

Family

ID=11577809

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69225620T Expired - Fee Related DE69225620T2 (de) 1991-01-18 1992-01-14 Operationsverstärker

Country Status (4)

Country Link
US (1) US5179354A (de)
EP (1) EP0495460B1 (de)
JP (1) JP2705317B2 (de)
DE (1) DE69225620T2 (de)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5381112A (en) * 1993-09-22 1995-01-10 Motorola, Inc. Fully differential line driver circuit having common-mode feedback
JP3120763B2 (ja) 1997-11-12 2000-12-25 日本電気株式会社 差動増幅器
EP1168603A1 (de) * 2000-06-26 2002-01-02 STMicroelectronics S.r.l. Vollständig differentieller Operationsverstärker mit geschalteten Kapazitäten und hoher Schaltgefrequenz
US6642788B1 (en) * 2001-11-05 2003-11-04 Xilinx, Inc. Differential cascode amplifier
JP4103468B2 (ja) * 2002-06-28 2008-06-18 日本電気株式会社 差動回路と増幅回路及び該増幅回路を用いた表示装置
US7777568B2 (en) * 2004-12-02 2010-08-17 Mandate Chips and Circuits Pvt. Ltd. High frequency receiver preamplifier with CMOS rail-to-rail capability
CN101405935A (zh) * 2006-03-23 2009-04-08 Nxp股份有限公司 利用输入级使共模信号反相的差动放大器
KR20130069147A (ko) * 2011-12-16 2013-06-26 삼성전자주식회사 기저대역 신호를 증폭하기 위한 장치 및 회로
CN103780212B (zh) * 2012-10-25 2016-12-21 华为技术有限公司 一种运算放大器、电平转换电路以及可编程增益放大器
US20190149093A1 (en) * 2017-11-10 2019-05-16 Texas Instruments Incorporated Amplifier with constant voltage gain
US10873303B2 (en) * 2017-11-10 2020-12-22 Texas Instruments Incorporated Amplifier with constant voltage gain

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4554515A (en) * 1984-07-06 1985-11-19 At&T Laboratories CMOS Operational amplifier
IT1201839B (it) * 1986-08-08 1989-02-02 Sgs Microelettronica Spa Amplificatore operazionale di potenza cmos ad uscita interamente differenziale
US4749955A (en) * 1986-12-29 1988-06-07 Delco Electronics Corporation Low voltage comparator circuit
US4963834A (en) * 1988-01-21 1990-10-16 Nec Corporation Operational amplifier
IT1229305B (it) * 1989-04-28 1991-08-08 Sgs Thomson Microelectonics S Dispositivo circuitale per incrementare il prodotto banda guasagno di un amplificatore cmos.

Also Published As

Publication number Publication date
US5179354A (en) 1993-01-12
JPH04243308A (ja) 1992-08-31
EP0495460B1 (de) 1998-05-27
JP2705317B2 (ja) 1998-01-28
DE69225620T2 (de) 1999-01-14
EP0495460A1 (de) 1992-07-22

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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