DE602004017602D1 - Verbesserte lastregelung und versorgungsspannungsunterdrückung unter verwendung eines transkonduktanz- und eines operationsverstärkers in tandemschaltung - Google Patents

Verbesserte lastregelung und versorgungsspannungsunterdrückung unter verwendung eines transkonduktanz- und eines operationsverstärkers in tandemschaltung

Info

Publication number
DE602004017602D1
DE602004017602D1 DE602004017602T DE602004017602T DE602004017602D1 DE 602004017602 D1 DE602004017602 D1 DE 602004017602D1 DE 602004017602 T DE602004017602 T DE 602004017602T DE 602004017602 T DE602004017602 T DE 602004017602T DE 602004017602 D1 DE602004017602 D1 DE 602004017602D1
Authority
DE
Germany
Prior art keywords
operational amplifier
conductance
trans
supply voltage
load control
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.)
Active
Application number
DE602004017602T
Other languages
English (en)
Inventor
Philippe Deval
Maher Kayal
Fabien Vaucher
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.)
Microchip Technology Inc
Original Assignee
Microchip Technology 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 Microchip Technology Inc filed Critical Microchip Technology Inc
Publication of DE602004017602D1 publication Critical patent/DE602004017602D1/de
Anticipated expiration legal-status Critical
Active 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
    • 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
    • H03F3/45179—Differential amplifiers with semiconductor devices only characterised by the way of implementation of the active amplifying circuit in the differential amplifier using MOSFET transistors as the active amplifying circuit
    • H03F3/4521—Complementary long tailed pairs having parallel inputs and being supplied in parallel

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Amplifiers (AREA)
  • Tone Control, Compression And Expansion, Limiting Amplitude (AREA)
  • Networks Using Active Elements (AREA)
DE602004017602T 2003-06-09 2004-06-07 Verbesserte lastregelung und versorgungsspannungsunterdrückung unter verwendung eines transkonduktanz- und eines operationsverstärkers in tandemschaltung Active DE602004017602D1 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US47714303P 2003-06-09 2003-06-09
US10/857,332 US7091785B2 (en) 2003-06-09 2004-05-28 Load and line regulation using operational transconductance amplifier and operational amplifier in tandem
PCT/US2004/017930 WO2004112243A1 (en) 2003-06-09 2004-06-07 Improved load and line regulation using operational transconductance amplifier and operational amplifier in tandem

Publications (1)

Publication Number Publication Date
DE602004017602D1 true DE602004017602D1 (de) 2008-12-18

Family

ID=33493614

Family Applications (1)

Application Number Title Priority Date Filing Date
DE602004017602T Active DE602004017602D1 (de) 2003-06-09 2004-06-07 Verbesserte lastregelung und versorgungsspannungsunterdrückung unter verwendung eines transkonduktanz- und eines operationsverstärkers in tandemschaltung

Country Status (7)

Country Link
US (1) US7091785B2 (de)
EP (1) EP1632025B1 (de)
KR (1) KR100819862B1 (de)
CN (1) CN100539403C (de)
AT (1) ATE413724T1 (de)
DE (1) DE602004017602D1 (de)
WO (1) WO2004112243A1 (de)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4871590B2 (ja) * 2005-12-28 2012-02-08 パナソニック株式会社 トランスコンダクタを用いた積分器及びフィルタ回路
US7595691B2 (en) * 2007-09-04 2009-09-29 Himax Technologies Limited Pre-amplifier for a receiver and a method therefor
US7760019B2 (en) * 2008-03-04 2010-07-20 Micron Technology, Inc. Adaptive operational transconductance amplifier load compensation
CN102510267B (zh) * 2011-12-28 2015-01-14 上海贝岭股份有限公司 一种二级运算放大器电路
CN102707757B (zh) * 2012-06-05 2014-07-16 电子科技大学 一种动态电荷放电电路以及集成该电路的ldo
TWI470394B (zh) * 2012-12-13 2015-01-21 Issc Technologies Corp 電壓產生器
KR101596568B1 (ko) 2014-03-13 2016-02-29 충북대학교 산학협력단 입력 공통모드 어답터를 구비하는 연산 트랜스컨덕턴스 증폭기 회로
US9874893B2 (en) * 2015-05-27 2018-01-23 Analog Devices, Inc. Self-biased multiple cascode current mirror circuit
CN105094199B (zh) * 2015-07-08 2017-03-15 江阴市飞凌科技有限公司 低噪音低功耗ldo电路
US10013009B2 (en) * 2015-09-25 2018-07-03 Texas Instruments Incorporated Fault tolerant voltage regulator
US10756676B2 (en) 2018-10-17 2020-08-25 Analog Devices Global Unlimited Company Amplifier systems for driving a wide range of loads
GB202107532D0 (en) * 2021-05-27 2021-07-14 Ams Sensors Singapore Pte Ltd Circuit for device temperature protection

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4333058A (en) * 1980-04-28 1982-06-01 Rca Corporation Operational amplifier employing complementary field-effect transistors
US5625317A (en) * 1994-08-08 1997-04-29 Texas Instruments Incorporated Tuning method for integrated continuous-time filters
US5880634A (en) * 1997-03-21 1999-03-09 Plato Labs, Inc. Wide band-width operational amplifier
WO2000003476A1 (en) * 1998-07-13 2000-01-20 Steensgaard Madsen Jesper Wide-bandwidth operational amplifier
DE10016445C2 (de) * 2000-03-29 2002-03-28 Infineon Technologies Ag Elektronische Ausgangsstufe
US6437645B1 (en) * 2001-02-15 2002-08-20 Texas Instruments Incorporated Slew rate boost circuitry and method

Also Published As

Publication number Publication date
KR20060035617A (ko) 2006-04-26
US7091785B2 (en) 2006-08-15
EP1632025B1 (de) 2008-11-05
ATE413724T1 (de) 2008-11-15
CN1802788A (zh) 2006-07-12
EP1632025A1 (de) 2006-03-08
CN100539403C (zh) 2009-09-09
KR100819862B1 (ko) 2008-04-07
US20040246052A1 (en) 2004-12-09
WO2004112243A1 (en) 2004-12-23

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Legal Events

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8364 No opposition during term of opposition