DE69322899D1 - Biomedizinische Verstärkerschaltung - Google Patents
Biomedizinische VerstärkerschaltungInfo
- Publication number
- DE69322899D1 DE69322899D1 DE69322899T DE69322899T DE69322899D1 DE 69322899 D1 DE69322899 D1 DE 69322899D1 DE 69322899 T DE69322899 T DE 69322899T DE 69322899 T DE69322899 T DE 69322899T DE 69322899 D1 DE69322899 D1 DE 69322899D1
- Authority
- DE
- Germany
- Prior art keywords
- amplifier circuit
- biomedical
- biomedical amplifier
- circuit
- amplifier
- 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
Links
Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/24—Detecting, measuring or recording bioelectric or biomagnetic signals of the body or parts thereof
- A61B5/30—Input circuits therefor
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/72—Signal processing specially adapted for physiological signals or for diagnostic purposes
- A61B5/7203—Signal processing specially adapted for physiological signals or for diagnostic purposes for noise prevention, reduction or removal
-
- 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
- H03F3/45183—Long tailed pairs
- H03F3/45188—Non-folded cascode stages
-
- 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
- H03F3/45475—Differential amplifiers with semiconductor devices only characterised by the way of implementation of the active amplifying circuit in the differential amplifier using IC blocks as the active amplifying circuit
-
- 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
- H03F3/45636—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 using feedback means
- H03F3/45641—Measuring at the loading circuit of the differential amplifier
- H03F3/4565—Controlling the common source circuit of the differential amplifier
-
- 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
- H03F3/45636—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 using feedback means
- H03F3/45641—Measuring at the loading circuit of the differential amplifier
- H03F3/45659—Controlling the loading circuit of the differential amplifier
-
- 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
- H03F3/45775—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 cross switches
-
- 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
- H03F3/45932—Differential amplifiers with semiconductor devices only characterised by the way of common mode signal rejection using IC blocks as the active amplifying circuit by using feedback means
- H03F3/45937—Measuring at the loading circuit of the differential amplifier
- H03F3/45941—Controlling the input circuit of the differential amplifier
-
- 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
-
- 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
- H03F3/45991—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 balancing means
- H03F3/45995—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 balancing means using switching means
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/72—Signal processing specially adapted for physiological signals or for diagnostic purposes
- A61B5/7235—Details of waveform analysis
- A61B5/7242—Details of waveform analysis using integration
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03F—AMPLIFIERS
- H03F2200/00—Indexing scheme relating to amplifiers
- H03F2200/261—Amplifier which being suitable for instrumentation applications
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03F—AMPLIFIERS
- H03F2200/00—Indexing scheme relating to amplifiers
- H03F2200/331—Sigma delta modulation being used in an amplifying circuit
-
- 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
- H03F2203/45644—Indexing scheme relating to differential amplifiers the LC comprising a cross coupling circuit, e.g. comprising two cross-coupled transistors
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US07/876,612 US5206602A (en) | 1992-04-30 | 1992-04-30 | Biomedical amplifier circuit |
Publications (2)
Publication Number | Publication Date |
---|---|
DE69322899D1 true DE69322899D1 (de) | 1999-02-18 |
DE69322899T2 DE69322899T2 (de) | 1999-05-27 |
Family
ID=25368151
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE69322899T Expired - Fee Related DE69322899T2 (de) | 1992-04-30 | 1993-03-31 | Biomedizinische Verstärkerschaltung |
Country Status (4)
Country | Link |
---|---|
US (1) | US5206602A (de) |
EP (1) | EP0568197B1 (de) |
JP (1) | JPH06224659A (de) |
DE (1) | DE69322899T2 (de) |
Families Citing this family (66)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE69329837T2 (de) * | 1992-04-30 | 2001-04-19 | Hewlett Packard Co | Differenztieller integrierender Verstärker mit geschalteten Kapazitäten zur Bildung von Prezisionswiderständen |
JP2656714B2 (ja) * | 1993-06-15 | 1997-09-24 | 日本電気株式会社 | 全差動増幅器 |
US5392784A (en) * | 1993-08-20 | 1995-02-28 | Hewlett-Packard Company | Virtual right leg drive and augmented right leg drive circuits for common mode voltage reduction in ECG and EEG measurements |
US5592510A (en) * | 1994-03-29 | 1997-01-07 | Apple Computer, Inc. | Common mode early voltage compensation subcircuit for current driver |
US5598157A (en) * | 1994-10-28 | 1997-01-28 | Harris Corporation | Sigma Delta analog to digital converter with three point calibration apparatus and method |
NL1001231C2 (nl) * | 1995-09-18 | 1997-03-20 | Univ Delft Tech | Chopperversterker met een geringe offset. |
US5615687A (en) * | 1995-12-06 | 1997-04-01 | Hewlett-Packard Company | Heart monitoring system and method with reduced signal acquisition range |
JP2002530916A (ja) * | 1998-11-12 | 2002-09-17 | コーニンクレッカ フィリップス エレクトロニクス エヌ ヴィ | 増幅器により発生するdcオフセット及びノイズを減少させる手段を有する回路 |
US6133787A (en) * | 1999-05-04 | 2000-10-17 | Physio-Control Manufacturing Corporation | Method and apparatus for controlling the common mode impedance misbalance of an isolated single-ended circuit |
US6433711B1 (en) * | 1999-12-14 | 2002-08-13 | Texas Instruments Incorporated | System and method for offset error compensation in comparators |
US6363278B1 (en) * | 2000-04-14 | 2002-03-26 | Cardiac Pacemakers, Inc. | Cardiac rhythm management system with staggered pulses for coordination therapy |
US6566915B1 (en) * | 2000-08-10 | 2003-05-20 | Intel Corporation | Differential envelope detector |
DE10042170A1 (de) * | 2000-08-15 | 2002-03-07 | Infineon Technologies Ag | Differentieller, komplementärer Verstärker |
US6750703B1 (en) * | 2002-12-24 | 2004-06-15 | Silicon Integrated Systems Corp. | DC offset canceling circuit applied in a variable gain amplifier |
JP2006279377A (ja) | 2005-03-29 | 2006-10-12 | Handotai Rikougaku Kenkyu Center:Kk | チョッパ増幅回路 |
US7595697B2 (en) * | 2005-04-15 | 2009-09-29 | Ivy Biomedical Systems, Inc. | Wireless transmitter |
US8092396B2 (en) * | 2005-10-20 | 2012-01-10 | Merat Bagha | Electronic auscultation device |
US9398891B2 (en) * | 2005-10-20 | 2016-07-26 | Tiba Medical, Inc. | Multiple communication interface medical examination apparatus, system, and/or method |
US8200320B2 (en) * | 2006-03-03 | 2012-06-12 | PhysioWave, Inc. | Integrated physiologic monitoring systems and methods |
US20070208232A1 (en) * | 2006-03-03 | 2007-09-06 | Physiowave Inc. | Physiologic monitoring initialization systems and methods |
US7668588B2 (en) | 2006-03-03 | 2010-02-23 | PhysioWave, Inc. | Dual-mode physiologic monitoring systems and methods |
JP2009528909A (ja) | 2006-03-03 | 2009-08-13 | フィジオウェイヴ インコーポレイテッド | 生理学的モニタリングシステム及び方法 |
US7705756B2 (en) * | 2006-11-03 | 2010-04-27 | Slicex, Inc. | Multi-channel analog-to-digital converter |
US9615744B2 (en) * | 2007-01-31 | 2017-04-11 | Medtronic, Inc. | Chopper-stabilized instrumentation amplifier for impedance measurement |
US7391257B1 (en) * | 2007-01-31 | 2008-06-24 | Medtronic, Inc. | Chopper-stabilized instrumentation amplifier for impedance measurement |
US8265769B2 (en) | 2007-01-31 | 2012-09-11 | Medtronic, Inc. | Chopper-stabilized instrumentation amplifier for wireless telemetry |
US7385443B1 (en) | 2007-01-31 | 2008-06-10 | Medtronic, Inc. | Chopper-stabilized instrumentation amplifier |
US8781595B2 (en) | 2007-04-30 | 2014-07-15 | Medtronic, Inc. | Chopper mixer telemetry circuit |
US7471148B2 (en) * | 2007-05-21 | 2008-12-30 | Sekio Epson Corporation | Differential low noise amplifier (LNA) with common mode feedback and gain control |
JP5215399B2 (ja) * | 2007-09-14 | 2013-06-19 | アナログ デバイシーズ インク | 改良されたローパワー、ローノイズアンプシステム |
WO2009042172A2 (en) * | 2007-09-26 | 2009-04-02 | Medtronic, Inc. | Frequency selective monitoring of physiological signals |
US8380314B2 (en) | 2007-09-26 | 2013-02-19 | Medtronic, Inc. | Patient directed therapy control |
US8121694B2 (en) | 2007-10-16 | 2012-02-21 | Medtronic, Inc. | Therapy control based on a patient movement state |
CN101925377A (zh) | 2008-01-25 | 2010-12-22 | 麦德托尼克公司 | 睡眠阶段的检测 |
TW200932194A (en) * | 2008-01-29 | 2009-08-01 | Univ Nat Taiwan | A feed-forward automatic-gain control amplifier (FFAGCA) for biomedical application |
US7961041B2 (en) * | 2008-05-15 | 2011-06-14 | Infineon Technologies Ag | System and method for generating a reference voltage |
US7724080B2 (en) * | 2008-06-11 | 2010-05-25 | Intersil Americas Inc. | Chopper stabilized amplifier |
US7764118B2 (en) * | 2008-09-11 | 2010-07-27 | Analog Devices, Inc. | Auto-correction feedback loop for offset and ripple suppression in a chopper-stabilized amplifier |
US8478402B2 (en) | 2008-10-31 | 2013-07-02 | Medtronic, Inc. | Determining intercardiac impedance |
US9770204B2 (en) | 2009-11-11 | 2017-09-26 | Medtronic, Inc. | Deep brain stimulation for sleep and movement disorders |
US9211411B2 (en) | 2010-08-26 | 2015-12-15 | Medtronic, Inc. | Therapy for rapid eye movement behavior disorder (RBD) |
EP2442443B8 (de) * | 2010-10-15 | 2018-02-07 | IMEC vzw | Erfassungssystem für Mehrkanal-Biopotenzsignal |
KR101832264B1 (ko) * | 2011-08-25 | 2018-04-13 | 삼성전자주식회사 | 생체 신호를 측정하는 장치 및 방법 |
US8493148B2 (en) * | 2011-11-04 | 2013-07-23 | Analog Devices, Inc. | Gain enhancement for cascode structure |
US9351653B1 (en) | 2012-11-29 | 2016-05-31 | Intan Technologies, LLC | Multi-channel reconfigurable systems and methods for sensing biopotential signals |
TWI604690B (zh) | 2012-12-04 | 2017-11-01 | Aist | Operational Amplifier |
US9439150B2 (en) | 2013-03-15 | 2016-09-06 | Medtronic, Inc. | Control of spectral agressors in a physiological signal montoring device |
US9521979B2 (en) | 2013-03-15 | 2016-12-20 | Medtronic, Inc. | Control of spectral agressors in a physiological signal monitoring device |
WO2015026988A1 (en) | 2013-08-20 | 2015-02-26 | The Regents Of The University Of California | Systems and methods for electrocorticography signal acquisition |
WO2015037532A1 (ja) * | 2013-09-13 | 2015-03-19 | アルプス電気株式会社 | 増幅回路 |
KR101987408B1 (ko) | 2014-01-21 | 2019-06-11 | 삼성전자주식회사 | 생체 임피던스 측정 장치 및 방법 |
US9924904B2 (en) | 2014-09-02 | 2018-03-27 | Medtronic, Inc. | Power-efficient chopper amplifier |
WO2016058004A1 (en) * | 2014-10-10 | 2016-04-14 | Ruse Technologies, Llc | Method and system for hospital, emt/ems, and aed grade external defibrillation and transcutaneous pacing |
US9614481B2 (en) | 2015-03-31 | 2017-04-04 | Analog Devices, Inc. | Apparatus and methods for chopping ripple reduction in amplifiers |
CA3017199A1 (en) * | 2016-03-09 | 2017-09-14 | Peerbridge Health, Inc. | System and method for monitoring conditions of a subject based on wireless sensor data |
US10517488B2 (en) | 2016-12-21 | 2019-12-31 | General Electric Company | Patient monitoring system and leadset having multiple capacitive patient connectors and a single galvanic patient connector |
CN107294501B (zh) * | 2017-05-11 | 2020-11-24 | 华南理工大学 | 一种斩波放大电路装置及其实现方法 |
US10396724B1 (en) * | 2018-05-30 | 2019-08-27 | Semiconductor Components Industries, Llc | Amplifier with common mode loop and chop |
US10675477B2 (en) | 2018-10-26 | 2020-06-09 | Ruse Technologies, Llc | Implantable cardioverter defibrillators using high power amplifiers with impedance tracking lowpass filters |
CN109645978B (zh) * | 2019-01-29 | 2021-02-23 | 北京大学 | 一种脑部探针读出电路 |
WO2021026860A1 (zh) * | 2019-08-15 | 2021-02-18 | 深圳市汇顶科技股份有限公司 | 放大电路、芯片和电子设备 |
US11082019B2 (en) | 2020-01-07 | 2021-08-03 | Semiconductor Components Industries, Llc | Amplifier with adaptively-controlled local feedback loop |
US20210338130A1 (en) * | 2020-04-29 | 2021-11-04 | Samantha Fox | Pediatric Electrocardiogram Electrode and Cover |
WO2022133298A1 (en) * | 2020-12-18 | 2022-06-23 | Medtronic, Inc. | Device with switched capacitor charge pump sensing circuitry |
US11484718B2 (en) | 2021-01-22 | 2022-11-01 | Ruse Technologies, Llc | Multimode ICD system comprising phased array amplifiers to treat and manage CRT, CHF, and PVC disorders using ventricle level-shifting therapy to minimize VT/VF and SCA |
US20230012505A1 (en) * | 2021-07-19 | 2023-01-19 | The University Court Of The University Of Glasgow | Sensor readout circuit for a biomagnetism measurement system |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4138649A (en) * | 1977-03-25 | 1979-02-06 | Emerson Electric Co. | Amplifier system |
US4933644A (en) * | 1988-12-23 | 1990-06-12 | Texas Instruments, Incorporated | Common-mode feedback bias generator for operational amplifiers |
US4912423A (en) * | 1989-02-27 | 1990-03-27 | General Electric Company | Chopper-stabilized operational transconductance amplifier |
US4947135A (en) * | 1989-07-28 | 1990-08-07 | Motorola, Inc. | Single-ended chopper stabilized operational amplifier |
-
1992
- 1992-04-30 US US07/876,612 patent/US5206602A/en not_active Expired - Lifetime
-
1993
- 1993-03-31 EP EP93302547A patent/EP0568197B1/de not_active Expired - Lifetime
- 1993-03-31 DE DE69322899T patent/DE69322899T2/de not_active Expired - Fee Related
- 1993-04-30 JP JP5128007A patent/JPH06224659A/ja active Pending
Also Published As
Publication number | Publication date |
---|---|
DE69322899T2 (de) | 1999-05-27 |
EP0568197A2 (de) | 1993-11-03 |
US5206602A (en) | 1993-04-27 |
EP0568197A3 (en) | 1994-09-21 |
EP0568197B1 (de) | 1999-01-07 |
JPH06224659A (ja) | 1994-08-12 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8364 | No opposition during term of opposition | ||
8327 | Change in the person/name/address of the patent owner |
Owner name: AGILENT TECHNOLOGIES, INC. (N.D.GES.D.STAATES DELA |
|
8339 | Ceased/non-payment of the annual fee |