DE69314542D1 - Optischer Trennverstärker mit Sigma-Delta-Modulation - Google Patents

Optischer Trennverstärker mit Sigma-Delta-Modulation

Info

Publication number
DE69314542D1
DE69314542D1 DE69314542T DE69314542T DE69314542D1 DE 69314542 D1 DE69314542 D1 DE 69314542D1 DE 69314542 T DE69314542 T DE 69314542T DE 69314542 T DE69314542 T DE 69314542T DE 69314542 D1 DE69314542 D1 DE 69314542D1
Authority
DE
Germany
Prior art keywords
sigma
optical isolation
delta modulation
isolation amplifier
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 - Lifetime
Application number
DE69314542T
Other languages
English (en)
Other versions
DE69314542T2 (de
Inventor
David J Gampell
Michael D Mcjimsey
Ralph E Lovelace
Randall Canha
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.)
Avago Technologies International Sales Pte Ltd
Original Assignee
Hewlett Packard Co
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 Hewlett Packard Co filed Critical Hewlett Packard Co
Publication of DE69314542D1 publication Critical patent/DE69314542D1/de
Application granted granted Critical
Publication of DE69314542T2 publication Critical patent/DE69314542T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R15/00—Details of measuring arrangements of the types provided for in groups G01R17/00 - G01R29/00, G01R33/00 - G01R33/26 or G01R35/00
    • G01R15/14—Adaptations providing voltage or current isolation, e.g. for high-voltage or high-current networks
    • G01R15/22—Adaptations providing voltage or current isolation, e.g. for high-voltage or high-current networks using light-emitting devices, e.g. LED, optocouplers
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
    • H03M3/00—Conversion of analogue values to or from differential modulation
    • H03M3/30—Delta-sigma modulation
    • H03M3/322—Continuously compensating for, or preventing, undesired influence of physical parameters
    • H03M3/368—Continuously compensating for, or preventing, undesired influence of physical parameters of noise other than the quantisation noise already being shaped inherently by delta-sigma modulators

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Analogue/Digital Conversion (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Amplifiers (AREA)
DE69314542T 1992-06-05 1993-05-12 Optischer Trennverstärker mit Sigma-Delta-Modulation Expired - Lifetime DE69314542T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US07/893,786 US5287107A (en) 1992-06-05 1992-06-05 Optical isolation amplifier with sigma-delta modulation

Publications (2)

Publication Number Publication Date
DE69314542D1 true DE69314542D1 (de) 1997-11-20
DE69314542T2 DE69314542T2 (de) 1998-02-12

Family

ID=25402087

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69314542T Expired - Lifetime DE69314542T2 (de) 1992-06-05 1993-05-12 Optischer Trennverstärker mit Sigma-Delta-Modulation

Country Status (7)

Country Link
US (1) US5287107A (de)
EP (1) EP0573156B1 (de)
JP (1) JP3174200B2 (de)
KR (1) KR100331391B1 (de)
DE (1) DE69314542T2 (de)
SG (1) SG73367A1 (de)
TW (1) TW221538B (de)

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ES2169868T3 (es) * 1996-08-23 2002-07-16 Siemens Ag Disposicion de circuito para la deteccion intrinsecamente segura de señales binarias de un transmisor.
DE19635989A1 (de) * 1996-09-05 1998-03-12 Sel Alcatel Ag Sendeeinrichtung zur optischen Übertragung von analogen elektrischen Signalen und digitales Übertragungssystem
US6408034B1 (en) 1997-04-22 2002-06-18 Silicon Laboratories, Inc. Framed delta sigma data with unlikely delta sigma data patterns
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US6516024B1 (en) 1997-04-22 2003-02-04 Silicon Laboratories Inc. Digital access arrangement circuitry and method for connecting to phone lines having a DC holding circuit with low distortion and current limiting
US6201865B1 (en) 1997-04-22 2001-03-13 Silicon Laboratories, Inc. Digital access arrangement circuitry and method for connecting to phone lines having a DC holding circuit with switchable time constants
US6522745B1 (en) 1997-04-22 2003-02-18 Silicon Laboratories Inc. Digital access arrangement circuitry and method having a synthesized ringer impedance for connecting to phone lines
US6289070B1 (en) 1997-04-22 2001-09-11 Silicon Laboratories, Inc. Digital isolation system with ADC offset calibration including coarse offset
US6385235B1 (en) 1997-04-22 2002-05-07 Silicon Laboratories, Inc. Direct digital access arrangement circuitry and method for connecting to phone lines
US6144326A (en) 1997-04-22 2000-11-07 Silicon Laboratories, Inc. Digital isolation system with ADC offset calibration
US6167132A (en) * 1997-04-22 2000-12-26 Silicon Laboratories, Inc. Analog successive approximation (SAR) analog-to-digital converter (ADC)
US6430229B1 (en) 1997-04-22 2002-08-06 Silicon Laboratories Inc. Capacitive isolation system with digital communication and power transfer
US6339048B1 (en) * 1999-12-23 2002-01-15 Elementis Specialties, Inc. Oil and oil invert emulsion drilling fluids with improved anti-settling properties
US6222922B1 (en) 1997-04-22 2001-04-24 Silicon Laboratories, Inc. Loop current monitor circuitry and method for a communication system
US6137827A (en) 1997-04-22 2000-10-24 Silicon Laboratories, Inc. Isolation system with digital communication across a capacitive barrier
US6587560B1 (en) * 1997-04-22 2003-07-01 Silicon Laboratories Inc. Low voltage circuits powered by the phone line
US6823066B1 (en) * 1997-04-22 2004-11-23 Silicon Laboratories Inc. Digital access arrangement circuitry and method having current ramping control of the hookswitch
US5870046A (en) 1997-04-22 1999-02-09 Silicon Laboratories Inc. Analog isolation system with digital communication across a capacitive barrier
US6456712B1 (en) 1997-04-22 2002-09-24 Silicon Laboratories Inc. Separation of ring detection functions across isolation barrier for minimum power
US6160885A (en) * 1997-04-22 2000-12-12 Silicon Laboratories, Inc. Caller ID circuit powered through hookswitch devices
US6442213B1 (en) * 1997-04-22 2002-08-27 Silicon Laboratories Inc. Digital isolation system with hybrid circuit in ADC calibration loop
US6498825B1 (en) 1997-04-22 2002-12-24 Silicon Laboratories Inc. Digital access arrangement circuitry and method for connecting to phone lines having a DC holding circuit with programmable current limiting
US6307891B1 (en) 1997-04-22 2001-10-23 Silicon Laboratories, Inc. Method and apparatus for freezing a communication link during a disruptive event
US6167134A (en) * 1997-04-22 2000-12-26 Silicon Laboratories, Inc. External resistor and method to minimize power dissipation in DC holding circuitry for a communication system
US6104794A (en) * 1997-04-22 2000-08-15 Silicon Laboratories, Inc. Architecture for minimum loop current during ringing and caller ID
US6298133B1 (en) 1997-04-22 2001-10-02 Silicon Laboratories, Inc. Telephone line interface architecture using ringer inputs for caller ID data
US5991335A (en) * 1997-10-14 1999-11-23 3Com Corporation Method and system for line isolation
GB9813982D0 (en) * 1998-06-30 1998-08-26 Mem Limited Residual current detection device
US6201835B1 (en) 1999-03-05 2001-03-13 Burr-Brown Corporation Frequency-shaped pseudo-random chopper stabilization circuit and method for delta-sigma modulator
EP1206837B1 (de) * 1999-08-23 2003-01-29 PR Electronics A/S Vorrichtung zur übertragung analoger information
GB0000067D0 (en) * 2000-01-06 2000-02-23 Delta Electrical Limited Current detector and current measurement apparatus including such detector with temparature compensation
US7526206B1 (en) * 2000-05-23 2009-04-28 The Aerospace Corporation Laser communications crosslink system
DE10039187A1 (de) * 2000-08-10 2002-02-21 Werner Bauer Drahtfreie digitale Datenübertragungsstrecke
GB0029815D0 (en) * 2000-12-06 2001-01-17 Pace Micro Tech Plc Voltage measuring apparatus
WO2002059628A1 (en) * 2001-01-22 2002-08-01 Solcon Industries Ltd. Electronic transformer system
US6946845B2 (en) * 2002-05-14 2005-09-20 Isabellenhutte Heusler Gmbh Kg Current, voltage and temperature measuring circuit
JP2005072924A (ja) * 2003-08-25 2005-03-17 Nec Kansai Ltd 光電流・電圧変換回路
JP2005072925A (ja) * 2003-08-25 2005-03-17 Nec Kansai Ltd 光電流・電圧変換回路
US7196651B2 (en) * 2003-09-08 2007-03-27 Michael Gude Analog-to-digital converter (ADC)
US7343059B2 (en) * 2003-10-11 2008-03-11 Hewlett-Packard Development Company, L.P. Photonic interconnect system
JP2006303663A (ja) * 2005-04-18 2006-11-02 Nec Electronics Corp 光結合型絶縁回路
JP2007104106A (ja) * 2005-09-30 2007-04-19 Toshiba Corp 送受信装置
JP2008011001A (ja) 2006-06-28 2008-01-17 Nec Electronics Corp 電流電圧変換回路及び電流電圧変換方法
US7915838B2 (en) * 2007-06-29 2011-03-29 Cypress Semiconductor Corporation Delta-sigma signal density modulation for optical transducer control
US7782237B2 (en) * 2008-06-13 2010-08-24 The Board Of Trustees Of The Leland Stanford Junior University Semiconductor sensor circuit arrangement
KR101231131B1 (ko) * 2008-07-30 2013-02-07 마이크로 모우션, 인코포레이티드 펄스 폭 변조 신호 처리를 위한 방법 및 장치
JP2011160096A (ja) * 2010-01-29 2011-08-18 Toshiba Corp 光送信回路、光受信回路及び光結合型絶縁回路
CN104169051A (zh) * 2012-03-19 2014-11-26 株式会社安川电机 作业机器人及机器人系统
CN103439556A (zh) * 2013-08-28 2013-12-11 深圳威迈斯电源有限公司 光耦隔离线性检测电路及其实现方法
SG10201403879WA (en) * 2014-07-04 2016-02-26 Rockwell Automation Asia Pacific Business Ctr Pte Ltd System And Method For Incremental Encoder Loss Detection
FR3061817B1 (fr) * 2017-01-10 2019-05-31 Commissariat A L'energie Atomique Et Aux Energies Alternatives Convertisseur de puissance ac-dc
CN109714010B (zh) 2017-10-26 2022-06-07 马克西姆综合产品公司 电容耦合式斩波仪表放大器以及相关联的方法
US10630245B2 (en) * 2017-11-21 2020-04-21 Texas Instruments Incorporated Capacitively coupled chopper amplifier
KR102326333B1 (ko) * 2017-12-28 2021-11-15 한국전자통신연구원 펄스 밀도 변조 기반의 신호 변조를 위한 방법 및 장치
US20190327002A1 (en) * 2018-04-23 2019-10-24 Avago Technologies General Ip (Singapore) Pte. Ltd. Isolation device, isolation sensor package, and method
TWI752628B (zh) * 2020-09-14 2022-01-11 新加坡商光寶科技新加坡私人有限公司 採用σ-δ調變技術的模擬光耦隔離放大器的編碼和解碼方法
US11025268B1 (en) * 2020-10-30 2021-06-01 Lite-On Singapore Pte. Ltd. Encoding and decoding method for optical isolation amplifier employing sigma-delta modulation technology

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US4035783A (en) * 1975-11-12 1977-07-12 Clifford Earl Mathewson Analog delay circuit
US4101881A (en) * 1976-03-15 1978-07-18 Hybrid Systems Corporation Multiple state responsive delta-sigma converter and delay line
US4109309A (en) * 1977-02-09 1978-08-22 Kearney & Trecker Corporation Method and apparatus for remote display of analog signals occurring in computer controlled machine tools
US4439756A (en) * 1982-01-20 1984-03-27 International Telephone And Telegraph Corporation Delta-Sigma modulator with switch capacitor implementation
DE3235741A1 (de) * 1982-09-27 1984-03-29 Siemens AG, 1000 Berlin und 8000 München Digital-analog-wandler mit potentialtrennung
GB2199455A (en) * 1986-08-11 1988-07-06 George Oscar Lernout System for analogue/digital/analogue conversion
US4967038A (en) * 1986-12-16 1990-10-30 Sam Techology Inc. Dry electrode brain wave recording system
US4843339A (en) * 1987-10-28 1989-06-27 Burr-Brown Corporation Isolation amplifier including precision voltage-to-duty-cycle converter and low ripple, high bandwidth charge balance demodulator
US5006850A (en) * 1988-04-18 1991-04-09 Murphy Gordon J Function transformer
US4939516B1 (en) * 1988-06-13 1993-10-26 Crystal Semiconductor Corporation Chopper stabilized delta-sigma analog-to-digital converter
US5051799A (en) * 1989-02-17 1991-09-24 Paul Jon D Digital output transducer
US4912423A (en) * 1989-02-27 1990-03-27 General Electric Company Chopper-stabilized operational transconductance amplifier
US5061859A (en) * 1989-09-13 1991-10-29 Hewlett-Packard Company Circuits for realizing an optical isolator

Also Published As

Publication number Publication date
KR100331391B1 (ko) 2002-06-28
JPH0661865A (ja) 1994-03-04
US5287107A (en) 1994-02-15
EP0573156B1 (de) 1997-10-15
TW221538B (de) 1994-03-01
DE69314542T2 (de) 1998-02-12
EP0573156A1 (de) 1993-12-08
SG73367A1 (en) 2000-11-21
JP3174200B2 (ja) 2001-06-11

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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

8327 Change in the person/name/address of the patent owner

Owner name: AVAGO TECHNOLOGIES ECBU IP (SINGAPORE) PTE. LTD.,

8328 Change in the person/name/address of the agent

Representative=s name: DILG HAEUSLER SCHINDELMANN PATENTANWALTSGESELLSCHA