DE69818279D1 - Mehrwegoperationsverstärker hoher ordnung mit dynamischer nullpunktabweichungskorrektur, gesteuerter sättigungsstrombegrenzung und stromrückkoppelung zur erhöhten bedingten stabilität - Google Patents

Mehrwegoperationsverstärker hoher ordnung mit dynamischer nullpunktabweichungskorrektur, gesteuerter sättigungsstrombegrenzung und stromrückkoppelung zur erhöhten bedingten stabilität

Info

Publication number
DE69818279D1
DE69818279D1 DE69818279T DE69818279T DE69818279D1 DE 69818279 D1 DE69818279 D1 DE 69818279D1 DE 69818279 T DE69818279 T DE 69818279T DE 69818279 T DE69818279 T DE 69818279T DE 69818279 D1 DE69818279 D1 DE 69818279D1
Authority
DE
Germany
Prior art keywords
operational amplifier
high order
deviation correction
point deviation
way 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 - Lifetime
Application number
DE69818279T
Other languages
English (en)
Other versions
DE69818279T2 (de
Inventor
Axel Thomsen
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.)
Cirrus Logic Inc
Original Assignee
Cirrus Logic 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 Cirrus Logic Inc filed Critical Cirrus Logic Inc
Publication of DE69818279D1 publication Critical patent/DE69818279D1/de
Application granted granted Critical
Publication of DE69818279T2 publication Critical patent/DE69818279T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H03ELECTRONIC CIRCUITRY
    • H03FAMPLIFIERS
    • H03F3/00Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements
    • H03F3/45Differential amplifiers
    • H03F3/45071Differential amplifiers with semiconductor devices only
    • H03F3/45479Differential amplifiers with semiconductor devices only characterised by the way of common mode signal rejection
    • H03F3/45928Differential amplifiers with semiconductor devices only characterised by the way of common mode signal rejection using IC blocks as the active amplifying circuit
    • H03F3/45968Differential 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
    • HELECTRICITY
    • H03ELECTRONIC CIRCUITRY
    • H03FAMPLIFIERS
    • H03F1/00Details of amplifiers with only discharge tubes, only semiconductor devices or only unspecified devices as amplifying elements
    • H03F1/08Modifications of amplifiers to reduce detrimental influences of internal impedances of amplifying elements
    • H03F1/083Modifications of amplifiers to reduce detrimental influences of internal impedances of amplifying elements in transistor amplifiers
    • HELECTRICITY
    • H03ELECTRONIC CIRCUITRY
    • H03FAMPLIFIERS
    • H03F1/00Details of amplifiers with only discharge tubes, only semiconductor devices or only unspecified devices as amplifying elements
    • H03F1/30Modifications of amplifiers to reduce influence of variations of temperature or supply voltage or other physical parameters
    • H03F1/303Modifications of amplifiers to reduce influence of variations of temperature or supply voltage or other physical parameters using a switching device
    • HELECTRICITY
    • H03ELECTRONIC CIRCUITRY
    • H03FAMPLIFIERS
    • H03F3/00Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements
    • H03F3/45Differential amplifiers
    • H03F3/45071Differential amplifiers with semiconductor devices only
    • H03F3/45479Differential amplifiers with semiconductor devices only characterised by the way of common mode signal rejection
    • H03F3/45632Differential 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
    • H03F3/45744Differential 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
    • H03F3/45775Differential 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 cross switches
    • HELECTRICITY
    • H03ELECTRONIC CIRCUITRY
    • H03FAMPLIFIERS
    • H03F2200/00Indexing scheme relating to amplifiers
    • H03F2200/331Sigma delta modulation being used in an amplifying circuit
    • HELECTRICITY
    • H03ELECTRONIC CIRCUITRY
    • H03FAMPLIFIERS
    • H03F2200/00Indexing scheme relating to amplifiers
    • H03F2200/81Inputs or outputs are crossed during a first switching time, not crossed during a second switching time

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Amplifiers (AREA)
DE69818279T 1997-06-10 1998-06-10 Mehrwegoperationsverstärker hoher ordnung mit dynamischer nullpunktabweichungskorrektur, gesteuerter sättigungsstrombegrenzung und stromrückkoppelung zur erhöhten bedingten stabilität Expired - Lifetime DE69818279T2 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US872424 1997-06-10
US08/872,424 US6002299A (en) 1997-06-10 1997-06-10 High-order multipath operational amplifier with dynamic offset reduction, controlled saturation current limiting, and current feedback for enhanced conditional stability
PCT/US1998/011621 WO1998057422A1 (en) 1997-06-10 1998-06-10 High-order multipath operational amplifier with dynamic offset reduction, controlled saturation current limiting, and current feedback for enhanced conditional stability

Publications (2)

Publication Number Publication Date
DE69818279D1 true DE69818279D1 (de) 2003-10-23
DE69818279T2 DE69818279T2 (de) 2004-06-24

Family

ID=25359548

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69818279T Expired - Lifetime DE69818279T2 (de) 1997-06-10 1998-06-10 Mehrwegoperationsverstärker hoher ordnung mit dynamischer nullpunktabweichungskorrektur, gesteuerter sättigungsstrombegrenzung und stromrückkoppelung zur erhöhten bedingten stabilität

Country Status (7)

Country Link
US (1) US6002299A (de)
EP (1) EP1010237B1 (de)
JP (1) JP2002504280A (de)
AU (1) AU7818898A (de)
DE (1) DE69818279T2 (de)
IL (1) IL133365A0 (de)
WO (1) WO1998057422A1 (de)

Families Citing this family (102)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6298466B1 (en) * 1998-12-07 2001-10-02 Tritech Microelectronics, Ltd. Method and system for synthesizing operational amplifiers for amplifying systems with minimal total harmonic distortion
US6246283B1 (en) * 1999-03-09 2001-06-12 Tripath Technology, Inc. Power efficient line driver
US6140872A (en) * 1999-10-28 2000-10-31 Burr-Brown Corporation Offset-compensated amplifier input stage and method
US6891430B1 (en) 2000-07-05 2005-05-10 Cirrus Logic, Inc. Techniques for signal measurement using a conditionally stable amplifier
DE10034814A1 (de) * 2000-07-18 2002-02-14 Bosch Gmbh Robert Verstärkerschaltung
US6466091B1 (en) * 2000-10-02 2002-10-15 Cirrus Logic, Inc. High order multi-path operational amplifier with reduced input referred offset
US6307430B1 (en) * 2000-10-02 2001-10-23 Cirrus Logic, Inc. Noise reduction technique in chopper stabilized amplifier
US7126423B1 (en) 2000-11-20 2006-10-24 Sitel Semiconductor B.V. Differential difference amplifier for amplifying small signals close to zero volts
US6400225B1 (en) 2000-11-20 2002-06-04 National Semiconductor Corporation Differential difference amplifier for amplifying small signals close to zero volts
US6433528B1 (en) * 2000-12-20 2002-08-13 Texas Instruments Incorporated High impedance mirror scheme with enhanced compliance voltage
US6760381B2 (en) 2001-01-05 2004-07-06 Centillium Communications Inc. High-voltage differential driver using stacked low-breakdown transistors and nested-miller compensation
US6952240B2 (en) * 2001-05-18 2005-10-04 Exar Corporation Image sampling circuit with a blank reference combined with the video input
US6515540B1 (en) * 2001-12-10 2003-02-04 Cirrus Logic, Inc. High order multi-path operational amplifier with output saturation recovery
DE10160794B4 (de) * 2001-12-11 2006-07-27 Parker Hannifin Gmbh Signalverarbeitungseinrichtung für einen Druckschalter od. dgl.
US6731163B2 (en) 2002-03-08 2004-05-04 Texas Instruments Incorporated Miller de-compensation for differential input, differential output amplifier
EP1424771A1 (de) * 2002-11-28 2004-06-02 STMicroelectronics S.r.l. Kaskoden-Leistungsverstärker insbesondere für HF-Anwendungen
JP2004312587A (ja) * 2003-04-10 2004-11-04 Agilent Technol Inc シングルエンド・差動信号変換器
US6931331B2 (en) * 2003-10-30 2005-08-16 Agilent Technologies, Inc. Measurement interface optimized for both differential and single-ended inputs
US7202741B2 (en) * 2004-03-11 2007-04-10 Gct Semiconductor, Inc. Highly linear variable gain amplifier
US7667916B1 (en) 2004-04-26 2010-02-23 Marvell International Ltd. Signal conversion system and method
US7692219B1 (en) 2004-06-25 2010-04-06 University Of Hawaii Ultrasensitive biosensors
US7785785B2 (en) 2004-11-12 2010-08-31 The Board Of Trustees Of The Leland Stanford Junior University Charge perturbation detection system for DNA and other molecules
US7170338B1 (en) 2005-03-24 2007-01-30 Cirrus Logic, Inc. Chopper stabilization circuits and methods
JP2006279377A (ja) 2005-03-29 2006-10-12 Handotai Rikougaku Kenkyu Center:Kk チョッパ増幅回路
US7496865B2 (en) * 2005-05-20 2009-02-24 Chung Yuan Christian University OTA-based high-order filters
US7295070B2 (en) * 2005-06-21 2007-11-13 Analog Devices, Inc. Flip around switched capacitor amplifier
US7310016B2 (en) * 2005-07-13 2007-12-18 Texas Instruments Incorporated Chopper-stabilized operational amplifier and method
DE112006003020B4 (de) * 2005-10-27 2015-02-12 International Rectifier Corp. Operationsverstärker mit Null-Offset
US7161420B1 (en) * 2005-11-02 2007-01-09 Marvell World Trade Ltd. Amplifiers with compensation
US7459972B2 (en) * 2005-11-02 2008-12-02 Marvell World Trade Ltd. Amplifiers with compensation
US7199656B1 (en) 2005-11-02 2007-04-03 Marvell World Trade International Amplifiers with compensation
US7202733B1 (en) 2005-11-02 2007-04-10 Marvell International Ltd. Transconductance amplifiers with compensation
US20070252648A1 (en) * 2006-04-26 2007-11-01 Luca Ravezzi Operational amplifier
US8349167B2 (en) 2006-12-14 2013-01-08 Life Technologies Corporation Methods and apparatus for detecting molecular interactions using FET arrays
US8262900B2 (en) 2006-12-14 2012-09-11 Life Technologies Corporation Methods and apparatus for measuring analytes using large scale FET arrays
EP4134667A1 (de) 2006-12-14 2023-02-15 Life Technologies Corporation Vorrichtungen zur messung von analyten unter verwendung von fet-arrays
US11339430B2 (en) 2007-07-10 2022-05-24 Life Technologies Corporation Methods and apparatus for measuring analytes using large scale FET arrays
CN101222209B (zh) * 2007-01-02 2011-01-26 晨星半导体股份有限公司 可编程增益放大器的动态补偿方法与相关装置
JP4859710B2 (ja) * 2007-03-01 2012-01-25 富士通セミコンダクター株式会社 オフセット補正回路
US7817073B2 (en) * 2007-06-15 2010-10-19 Micron Technology, Inc. Integrators for delta-sigma modulators
FR2918226B1 (fr) * 2007-06-27 2009-11-27 Storm Audio Dispositif d'amplification, circuit electronique et enceinte acoustique correspondants.
US8470164B2 (en) 2008-06-25 2013-06-25 Life Technologies Corporation Methods and apparatus for measuring analytes using large scale FET arrays
US20100301398A1 (en) 2009-05-29 2010-12-02 Ion Torrent Systems Incorporated Methods and apparatus for measuring analytes
US20100137143A1 (en) 2008-10-22 2010-06-03 Ion Torrent Systems Incorporated Methods and apparatus for measuring analytes
US7928800B2 (en) * 2008-12-03 2011-04-19 Infineon Technologies Ag Programmable compensation network for operational amplifiers
US8533252B2 (en) * 2009-04-10 2013-09-10 Realtek Semiconductor Corp. Broad-band active delay line
US8102206B2 (en) * 2009-05-08 2012-01-24 Analog Devices, Inc. Multi-path, multi-stage feed-forward operational amplifier circuit
US8776573B2 (en) 2009-05-29 2014-07-15 Life Technologies Corporation Methods and apparatus for measuring analytes
US20120261274A1 (en) 2009-05-29 2012-10-18 Life Technologies Corporation Methods and apparatus for measuring analytes
US8125262B2 (en) * 2009-08-19 2012-02-28 Analog Devices, Inc. Low power and low noise switched capacitor integrator with flexible input common mode range
JP2011172189A (ja) * 2010-02-22 2011-09-01 On Semiconductor Trading Ltd 増幅回路
US8248107B2 (en) * 2010-03-11 2012-08-21 Altera Corporation High-speed differential comparator circuitry with accurately adjustable threshold
EP2515203A1 (de) * 2010-03-24 2012-10-24 tecData AG Verfahren zum Steuern oder Regeln einer Maschine
EP2588851B1 (de) 2010-06-30 2016-12-21 Life Technologies Corporation Ion-sensing charge-accumulation circuit and method
CN109449171A (zh) 2010-06-30 2019-03-08 生命科技公司 用于检测和测量化学反应和化合物的晶体管电路
US11307166B2 (en) 2010-07-01 2022-04-19 Life Technologies Corporation Column ADC
WO2012006222A1 (en) 2010-07-03 2012-01-12 Life Technologies Corporation Chemically sensitive sensor with lightly doped drains
EP2617061B1 (de) 2010-09-15 2021-06-30 Life Technologies Corporation Verfahren und vorrichtung zur analytmessung
EP2619564B1 (de) 2010-09-24 2016-03-16 Life Technologies Corporation Transistorschaltungen mit zusammengehörigen paaren
US8373490B2 (en) 2010-10-27 2013-02-12 Peregrine Semiconductor Corporation Method, system, and apparatus for RF and DC switching
US8724739B2 (en) * 2010-11-09 2014-05-13 Raytheon Company Variable phase shifter-attenuator
US8536939B2 (en) 2011-11-09 2013-09-17 Analog Devices, Inc. Cross-coupled multipath feedforward operational amplifiers
US9970984B2 (en) 2011-12-01 2018-05-15 Life Technologies Corporation Method and apparatus for identifying defects in a chemical sensor array
US8821798B2 (en) 2012-01-19 2014-09-02 Life Technologies Corporation Titanium nitride as sensing layer for microwell structure
US8747748B2 (en) 2012-01-19 2014-06-10 Life Technologies Corporation Chemical sensor with conductive cup-shaped sensor surface
WO2013123348A1 (en) * 2012-02-17 2013-08-22 The Regents Of The University Of Michigan Pulse injection crystal oscillator
US8786331B2 (en) 2012-05-29 2014-07-22 Life Technologies Corporation System for reducing noise in a chemical sensor array
US8659357B1 (en) * 2012-08-01 2014-02-25 Google Inc. Conditionally-stable operational amplifier with tunable wideband buffers
US8841972B2 (en) * 2012-10-19 2014-09-23 Texas Instruments Deutschland Gmbh Electronic device, fiber-optic communication system comprising the electronic device and method of operating the electronic device
US9080968B2 (en) 2013-01-04 2015-07-14 Life Technologies Corporation Methods and systems for point of use removal of sacrificial material
US9841398B2 (en) 2013-01-08 2017-12-12 Life Technologies Corporation Methods for manufacturing well structures for low-noise chemical sensors
US8962366B2 (en) 2013-01-28 2015-02-24 Life Technologies Corporation Self-aligned well structures for low-noise chemical sensors
US8963216B2 (en) 2013-03-13 2015-02-24 Life Technologies Corporation Chemical sensor with sidewall spacer sensor surface
US8841217B1 (en) 2013-03-13 2014-09-23 Life Technologies Corporation Chemical sensor with protruded sensor surface
CN105051525B (zh) 2013-03-15 2019-07-26 生命科技公司 具有薄导电元件的化学设备
US20140264472A1 (en) 2013-03-15 2014-09-18 Life Technologies Corporation Chemical sensor with consistent sensor surface areas
US9116117B2 (en) 2013-03-15 2015-08-25 Life Technologies Corporation Chemical sensor with sidewall sensor surface
WO2014149778A1 (en) 2013-03-15 2014-09-25 Life Technologies Corporation Chemical sensors with consistent sensor surface areas
US9835585B2 (en) 2013-03-15 2017-12-05 Life Technologies Corporation Chemical sensor with protruded sensor surface
US20140336063A1 (en) 2013-05-09 2014-11-13 Life Technologies Corporation Windowed Sequencing
US10458942B2 (en) 2013-06-10 2019-10-29 Life Technologies Corporation Chemical sensor array having multiple sensors per well
US9246477B2 (en) 2014-03-27 2016-01-26 Qualcomm Incorporated Systems and methods for common mode level shifting
US9679509B2 (en) * 2014-05-01 2017-06-13 Samsung Display Co., Ltd. Positive feedback enhanced switching equalizer with output pole tuning
JP2016100380A (ja) * 2014-11-19 2016-05-30 富士通オプティカルコンポーネンツ株式会社 レーザ装置、及び、光送信機
KR20170097712A (ko) 2014-12-18 2017-08-28 라이프 테크놀로지스 코포레이션 대형 fet 어레이를 사용한 분석물 측정을 위한 방법과 장치
TWI794007B (zh) 2014-12-18 2023-02-21 美商生命技術公司 積體電路裝置、感測器裝置及積體電路
US10077472B2 (en) 2014-12-18 2018-09-18 Life Technologies Corporation High data rate integrated circuit with power management
US9641138B2 (en) * 2015-04-09 2017-05-02 Analog Devices, Inc. Multipath feedforward band pass amplifier
CN104852692B (zh) * 2015-05-28 2018-03-20 烽火通信科技股份有限公司 限幅放大装置
GB201600774D0 (en) * 2016-01-15 2016-03-02 Melexis Technologies Sa Low noise amplifier circuit
US9985587B2 (en) 2016-01-18 2018-05-29 Cirrus Logic, Inc. Switched mode converter with variable common mode voltage buffer
US9906196B2 (en) 2016-01-18 2018-02-27 Cirrus Logic, Inc. Hybrid switched mode amplifier
US10090814B2 (en) 2016-03-16 2018-10-02 Cirrus Logic, Inc. Removal of switching discontinuity in a hybrid switched mode amplifier
US9929664B2 (en) 2016-03-16 2018-03-27 Cirrus Logic, Inc. Prevention of switching discontinuity in a hybrid switched mode amplifier
GB2550019A (en) * 2016-03-16 2017-11-08 Cirrus Logic Int Semiconductor Ltd Prevention of switching discontinuity in a hybrid switched mode amplifier
US9793808B1 (en) * 2016-07-21 2017-10-17 Coolstar Cayman, Inc. Enhanced bidirectional current sensing and replication
US10461709B2 (en) 2016-12-29 2019-10-29 Cirrus Logic, Inc. Amplifier with auxiliary path for maximizing power supply rejection ratio
IT201700058135A1 (it) * 2017-05-29 2018-11-29 St Microelectronics Srl Circuito di rilevazione, dispositivo e procedimento corrispondenti
US10958228B2 (en) 2018-06-25 2021-03-23 Polycom, Inc. Dynamically adjusting common mode rejection ratio
US10784828B2 (en) * 2018-12-27 2020-09-22 Semiconductor Components Industries, Llc Methods and apparatus for an operational amplifier with a variable gain-bandwidth product
CN112234973B (zh) * 2020-09-24 2023-01-24 西安电子科技大学 一种适用于驱动宽范围电容负载的多级运放
US11689201B2 (en) 2021-07-26 2023-06-27 Qualcomm Incorporated Universal serial bus (USB) host data switch with integrated equalizer

Family Cites Families (36)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB736968A (en) * 1952-07-16 1955-09-14 Nat Res Dev Improvements relating to pest-controlling coating compositions
US3991730A (en) * 1975-01-30 1976-11-16 Chrysler Corporation Noise immune reset circuit for resetting the integrator of an electronic engine spark timing controller
US3989961A (en) * 1975-06-16 1976-11-02 The Boeing Company Bidirectional reset integrator converter
JPS6244597Y2 (de) * 1979-12-05 1987-11-26
US4318613A (en) * 1980-04-10 1982-03-09 The Nuarc Company, Inc. Universal light integrator/timer for photographic equipment
US4384257A (en) * 1981-05-29 1983-05-17 Nola William M Storage stabilized integrator
US4423385A (en) * 1981-06-10 1983-12-27 Intersil, Inc. Chopper-stabilized amplifier
US4509037A (en) * 1981-06-12 1985-04-02 Gould Inc. Enhanced delta modulation encoder
US4559634A (en) * 1982-08-16 1985-12-17 Texas Instruments Incorporated PSK Modem having dual-integrator voltage controlled oscillator
US4502020A (en) * 1983-10-26 1985-02-26 Comlinear Corporation Settling time reduction in wide-band direct-coupled transistor amplifiers
US4559502A (en) * 1984-04-19 1985-12-17 Signetics Corporation Multi-stage amplifier with capacitive nesting for frequency compensation
GB2182219B (en) * 1985-10-24 1990-07-04 Stc Plc High gain feed back amplifier
US4628279A (en) * 1985-12-26 1986-12-09 Comlinear Corporation Wideband feedback amplifier
US4713628A (en) * 1986-10-08 1987-12-15 Comlinear Corporation Compensation and biasing of wideband amplifiers
US4766367A (en) * 1987-07-20 1988-08-23 Comlinear Corporation Current mirror with unity gain buffer
US4780689A (en) * 1987-07-20 1988-10-25 Comlinear Corporation Amplifier input circuit
FR2619974B1 (fr) * 1987-08-26 1991-10-18 France Etat Quadripole de filtrage a capacites commutees pour lineariser la reponse phase/frequence dudit filtre
US4757275A (en) * 1987-11-20 1988-07-12 Comlinear Corporation Wideband closed loop amplifier
US4808942A (en) * 1988-04-04 1989-02-28 General Electric Company Continuous mode auto-zero offset amplifier or integrator
JPH07109966B2 (ja) * 1988-04-28 1995-11-22 横河電機株式会社 増幅回路
US4939516B1 (en) * 1988-06-13 1993-10-26 Crystal Semiconductor Corporation Chopper stabilized delta-sigma analog-to-digital converter
US4926178A (en) * 1988-07-13 1990-05-15 Analog Devices, Inc. Delta modulator with integrator having positive feedback
GB8818703D0 (en) * 1988-08-05 1988-09-07 Gen Electric Co Plc Delta sigma modulator arrangements
US4906944A (en) * 1988-08-17 1990-03-06 Rockwell International Corporation Integrator controlled time compensated clock oscillator
US5012244A (en) * 1989-10-27 1991-04-30 Crystal Semiconductor Corporation Delta-sigma modulator with oscillation detect and reset circuit
JPH04111607A (ja) * 1990-08-31 1992-04-13 Citizen Watch Co Ltd チョッパ安定化オペアンプ
US5477481A (en) * 1991-02-15 1995-12-19 Crystal Semiconductor Corporation Switched-capacitor integrator with chopper stabilization performed at the sampling rate
JP2520056B2 (ja) * 1991-04-10 1996-07-31 東光株式会社 有極型リ−プフロッグ・フィルタ
JP2556987Y2 (ja) * 1991-07-18 1997-12-08 日本ヒューレット・パッカード株式会社 複合増幅回路
JPH06164258A (ja) * 1992-11-20 1994-06-10 Fuji Xerox Co Ltd オフセットキャンセル回路付増幅回路
US5317277A (en) * 1992-12-08 1994-05-31 Doble Engineering Company Power amplifying apparatus for supplying A.C. signals having a maximum loop gain at a desired frequency
US5635871A (en) * 1992-12-15 1997-06-03 Doble Engineering Company Low phase error amplifying
FR2703856B1 (fr) * 1993-04-09 1995-06-30 Sgs Thomson Microelectronics Architecture d'amplificateur et application a un generateur de tension de bande interdite .
JP2734368B2 (ja) * 1994-02-16 1998-03-30 日本電気株式会社 広帯域増幅回路
US5451901A (en) * 1994-07-01 1995-09-19 Cirrus Logic Inc. Transconductance amplifiers and exponential variable gain amplifiers using the same
JPH08279718A (ja) * 1995-04-07 1996-10-22 Nec Corp オフセット除去増幅回路

Also Published As

Publication number Publication date
IL133365A0 (en) 2001-04-30
JP2002504280A (ja) 2002-02-05
EP1010237B1 (de) 2003-09-17
AU7818898A (en) 1998-12-30
EP1010237A1 (de) 2000-06-21
US6002299A (en) 1999-12-14
WO1998057422A1 (en) 1998-12-17
DE69818279T2 (de) 2004-06-24

Similar Documents

Publication Publication Date Title
DE69818279D1 (de) Mehrwegoperationsverstärker hoher ordnung mit dynamischer nullpunktabweichungskorrektur, gesteuerter sättigungsstrombegrenzung und stromrückkoppelung zur erhöhten bedingten stabilität
DE60027128D1 (de) Verstärker mit veränderbarer verstärkung und erhöhter linearität
DE60031141D1 (de) Lichtverstärker unter verwendung der ramanverstärkung und zugehöriges steuerungsverfahren
DE60034301D1 (de) Vorwärtsgekoppelter Verstärker und Steuerschaltung dafür
FI962448A (fi) Menetelmä, laite ja anturi fraktionaalisen happikyllästyksen määrittämistä varten
DE69840103D1 (de) Optischer verstärker mit aktiv gesteuerter spektraler verstärkung
ZA991713B (en) Amplifier with adjustable bias current.
DE69610004D1 (de) Linearer Leistungsverstärker mit periodisch aktualisierten Amplituden- und Phasenkorrekturwerten
DE69636643D1 (de) Verstärker mit db-linearer verstärkungsregelung
DE69707799D1 (de) Eingangsstufen mit konstanter transkonduktanz und mit konstanten gleichtaktausgangsströmen über den gesamten speisespannungsbereich
DE69901726D1 (de) Stabile konzentrierte insulin präparationen zur pulmonaren verabreichung
DE69416074T2 (de) Operationsverstärker mit vergrösserter Verstärkung
DE69838613D1 (de) Gene, welche den phytat-metabolismus kontrollieren und daraus entstehende anwendungen
FI941791A0 (fi) Pienisäröinen myötäkytkentävahvistin
DE69836613D1 (de) Aktiver Gegentaktmischer mit hoher Linearität
DE69727349D1 (de) Spannungsreferenzquelle mit niedrigem Versorgungsspannungsbereich und aktivem Feedback für PLL
DE60042147D1 (de) Optischer verstärker und steuerungsverfahren
DE69529395D1 (de) Leistungsverstärker mit grosser Dynamik
DK0948340T3 (da) Biologisk aktive stoffer, fremgangsmåde til deres fremstilling og forbindelser med indhold deraf
ATE249741T1 (de) Verwendung von 3-(2,4,6-trimethylphenyl)- 4- neopentylcarbonyloxy- 5,5-tetramethylen-$g(d)?3 - dihydrofuran-2- n zur bekämpfung der weissen fliege
DE69113775D1 (de) Instrumentationsverstärker mit einpoliger Speisung und simplifizierter Verstärkungsgleichung.
DE69901781D1 (de) Mehrstufiger Verstärker mit variabler Verstärkung, grosser Bandbreite und reduzierten Phasenvariationen
DE69909067T2 (de) Verstärker mit verstärkungssteuerung, verstärker mit variabler verstärkung und verstärker mit automatischer verstärkungsregelung
DE69814558D1 (de) Verstärker mit hohem Verstärkungsgrad und begrenzter Ausgangsdynamik
DE69710565D1 (de) Rauscharmer Transkonduktanzverstärker mit hoher Aussteuerung

Legal Events

Date Code Title Description
8364 No opposition during term of opposition