TW221538B - - Google Patents

Info

Publication number
TW221538B
TW221538B TW082102846A TW82102846A TW221538B TW 221538 B TW221538 B TW 221538B TW 082102846 A TW082102846 A TW 082102846A TW 82102846 A TW82102846 A TW 82102846A TW 221538 B TW221538 B TW 221538B
Authority
TW
Taiwan
Application number
TW082102846A
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
Application granted granted Critical
Publication of TW221538B publication Critical patent/TW221538B/zh

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
TW082102846A 1992-06-05 1993-04-14 TW221538B (zh)

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 (1)

Publication Number Publication Date
TW221538B true TW221538B (zh) 1994-03-01

Family

ID=25402087

Family Applications (1)

Application Number Title Priority Date Filing Date
TW082102846A TW221538B (zh) 1992-06-05 1993-04-14

Country Status (7)

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

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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
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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
US6289070B1 (en) 1997-04-22 2001-09-11 Silicon Laboratories, Inc. Digital isolation system with ADC offset calibration including coarse offset
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
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
US6385235B1 (en) 1997-04-22 2002-05-07 Silicon Laboratories, Inc. Direct digital access arrangement circuitry and method for connecting to phone lines
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
US6408034B1 (en) 1997-04-22 2002-06-18 Silicon Laboratories, Inc. Framed delta sigma data with unlikely delta sigma data patterns
US6137827A (en) * 1997-04-22 2000-10-24 Silicon Laboratories, Inc. Isolation system with digital communication across a capacitive barrier
US6823066B1 (en) * 1997-04-22 2004-11-23 Silicon Laboratories Inc. Digital access arrangement circuitry and method having current ramping control of the hookswitch
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
US6442271B1 (en) 1997-04-22 2002-08-27 Silicon Laboratories, Inc. Digital isolation system with low power mode
US6144326A (en) 1997-04-22 2000-11-07 Silicon Laboratories, Inc. Digital isolation system with ADC offset calibration
US6587560B1 (en) * 1997-04-22 2003-07-01 Silicon Laboratories Inc. Low voltage circuits powered by the phone line
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
DK1206837T3 (da) * 1999-08-23 2003-05-26 Pr Electronics As Apparat til analog informationsoverførsel
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
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US6946845B2 (en) * 2002-05-14 2005-09-20 Isabellenhutte Heusler Gmbh Kg Current, voltage and temperature measuring circuit
JP2005072925A (ja) * 2003-08-25 2005-03-17 Nec Kansai Ltd 光電流・電圧変換回路
JP2005072924A (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
BRPI0822970B1 (pt) * 2008-07-30 2020-10-06 Micro Motion, Inc Processador de sinal, sistema de circuito de barramento, e, método para transmitir sinais a partir de um gerador de sinal analógico para um receptor de sinal analógico
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
EP2829370A1 (en) * 2012-03-19 2015-01-28 Kabushiki Kaisha Yaskawa Denki Task robot and robot system
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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Also Published As

Publication number Publication date
JP3174200B2 (ja) 2001-06-11
JPH0661865A (ja) 1994-03-04
DE69314542D1 (de) 1997-11-20
US5287107A (en) 1994-02-15
KR100331391B1 (ko) 2002-06-28
SG73367A1 (en) 2000-11-21
EP0573156A1 (en) 1993-12-08
EP0573156B1 (en) 1997-10-15
DE69314542T2 (de) 1998-02-12

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