DE69412008T2 - Operationsverstärker und Verfahren dazu - Google Patents

Operationsverstärker und Verfahren dazu

Info

Publication number
DE69412008T2
DE69412008T2 DE69412008T DE69412008T DE69412008T2 DE 69412008 T2 DE69412008 T2 DE 69412008T2 DE 69412008 T DE69412008 T DE 69412008T DE 69412008 T DE69412008 T DE 69412008T DE 69412008 T2 DE69412008 T2 DE 69412008T2
Authority
DE
Germany
Prior art keywords
operational amplifiers
methods therefor
therefor
methods
amplifiers
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
DE69412008T
Other languages
English (en)
Other versions
DE69412008D1 (de
Inventor
Geoffrey E Brehmer
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.)
Advanced Micro Devices Inc
Original Assignee
Advanced Micro Devices 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 Advanced Micro Devices Inc filed Critical Advanced Micro Devices Inc
Publication of DE69412008D1 publication Critical patent/DE69412008D1/de
Application granted granted Critical
Publication of DE69412008T2 publication Critical patent/DE69412008T2/de
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
    • H03F3/45076—Differential amplifiers with semiconductor devices only characterised by the way of implementation of the active amplifying circuit in the differential amplifier
DE69412008T 1993-06-30 1994-05-05 Operationsverstärker und Verfahren dazu Expired - Lifetime DE69412008T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US08/085,898 US5457426A (en) 1993-06-30 1993-06-30 Operational amplifier for low supply voltage applications

Publications (2)

Publication Number Publication Date
DE69412008D1 DE69412008D1 (de) 1998-09-03
DE69412008T2 true DE69412008T2 (de) 1999-03-25

Family

ID=22194706

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69412008T Expired - Lifetime DE69412008T2 (de) 1993-06-30 1994-05-05 Operationsverstärker und Verfahren dazu

Country Status (4)

Country Link
US (1) US5457426A (de)
EP (1) EP0632582B1 (de)
JP (1) JPH0758557A (de)
DE (1) DE69412008T2 (de)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5805021A (en) * 1996-02-13 1998-09-08 Advanced Micro Devices High swing low power general purpose operational amplifier
US5739721A (en) * 1996-02-13 1998-04-14 Advanced Micro Devices, Inc. High swing, low power output stage for an operational amplifier
US5668486A (en) * 1996-06-21 1997-09-16 Brehmer; Geoffrey E. Strobed comparator for a large common mode range
KR100410615B1 (ko) * 1996-12-27 2004-03-30 페어차일드코리아반도체 주식회사 폴딩캐스코드차동증폭기
KR100265336B1 (ko) * 1997-06-30 2000-09-15 김영환 트랜스컨덕터
US6066944A (en) * 1999-02-18 2000-05-23 National Semiconductor Corporation High speed current mirror circuit and method
US6317016B1 (en) 1999-05-14 2001-11-13 Koninklijke Philips Electronics Method and arrangement for gyration filtering with low power consumption
US6407658B2 (en) 1999-05-14 2002-06-18 Koninklijke Philips Electronics N.V. Method and arrangement for filtering with common mode feedback for low power consumption
JP2001156558A (ja) 1999-11-24 2001-06-08 Mitsubishi Electric Corp カスコード・カレントミラー回路
KR101941658B1 (ko) * 2012-12-03 2019-01-24 한국전자통신연구원 바디 바이어싱을 이용한 캐스코드 전류원을 갖는 오차 증폭기

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4284959A (en) * 1979-11-13 1981-08-18 Rca Corporation Folded-cascode amplifier arrangement with cascode load means
IT1185935B (it) * 1985-09-18 1987-11-18 Sgs Microelettronica Spa Stradio di uscita cmos a grande escursione di tensione e con stabilizzazione della corrente di rifoso
JPS6457810A (en) * 1987-08-27 1989-03-06 Nec Corp Mos amplifier circuit
US4897611A (en) * 1988-10-28 1990-01-30 Micro Linear Corporation Very high gain positive feedback CMOS transconductance amplifier
US5006817A (en) 1989-10-13 1991-04-09 Sierra Semiconductor Rail-to-rail CMOS operational amplifier
US5015966A (en) * 1990-05-01 1991-05-14 Xerox Corporation Folded cascode amplifier
IT1247657B (it) * 1990-12-21 1994-12-28 Sgs Thomson Microelectronics Amplificatore operazionale cmos di potenza con uscita differenziale.

Also Published As

Publication number Publication date
DE69412008D1 (de) 1998-09-03
JPH0758557A (ja) 1995-03-03
US5457426A (en) 1995-10-10
EP0632582B1 (de) 1998-07-29
EP0632582A1 (de) 1995-01-04

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition