AU2001238388A1 - Calibration system for a communications system - Google Patents

Calibration system for a communications system

Info

Publication number
AU2001238388A1
AU2001238388A1 AU2001238388A AU3838801A AU2001238388A1 AU 2001238388 A1 AU2001238388 A1 AU 2001238388A1 AU 2001238388 A AU2001238388 A AU 2001238388A AU 3838801 A AU3838801 A AU 3838801A AU 2001238388 A1 AU2001238388 A1 AU 2001238388A1
Authority
AU
Australia
Prior art keywords
calibration
communications
communications system
calibration system
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.)
Abandoned
Application number
AU2001238388A
Inventor
Daniel T. Boyko
Olafur Josefsson
Colm Prendergast
James Wilson
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.)
Analog Devices Inc
Original Assignee
Analog Devices 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 Analog Devices Inc filed Critical Analog Devices Inc
Publication of AU2001238388A1 publication Critical patent/AU2001238388A1/en
Abandoned legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M1/00—Substation equipment, e.g. for use by subscribers
    • H04M1/738—Interface circuits for coupling substations to external telephone lines
    • H04M1/7385—Programmable or microprocessor-controlled
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B3/00—Line transmission systems
    • H04B3/02—Details
    • H04B3/20—Reducing echo effects or singing; Opening or closing transmitting path; Conditioning for transmission in one direction or the other
    • H04B3/23—Reducing echo effects or singing; Opening or closing transmitting path; Conditioning for transmission in one direction or the other using a replica of transmitted signal in the time domain, e.g. echo cancellers
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B3/00—Line transmission systems
    • H04B3/54—Systems for transmission via power distribution lines
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L12/00—Data switching networks
    • H04L12/66—Arrangements for connecting between networks having differing types of switching systems, e.g. gateways
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/0002—Modulated-carrier systems analog front ends; means for connecting modulators, demodulators or transceivers to a transmission line
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M11/00—Telephonic communication systems specially adapted for combination with other electrical systems
    • H04M11/06—Simultaneous speech and data transmission, e.g. telegraphic transmission over the same conductors
    • H04M11/062—Simultaneous speech and data transmission, e.g. telegraphic transmission over the same conductors using different frequency bands for speech and other data
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B2203/00—Indexing scheme relating to line transmission systems
    • H04B2203/54—Aspects of powerline communications not already covered by H04B3/54 and its subgroups
    • H04B2203/5462—Systems for power line communications
    • H04B2203/5483—Systems for power line communications using coupling circuits
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B2203/00—Indexing scheme relating to line transmission systems
    • H04B2203/54—Aspects of powerline communications not already covered by H04B3/54 and its subgroups
    • H04B2203/5462—Systems for power line communications
    • H04B2203/5491—Systems for power line communications using filtering and bypassing
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/26—Systems using multi-frequency codes
    • H04L27/2601—Multicarrier modulation systems

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Computer Hardware Design (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Power Engineering (AREA)
  • Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
  • Analogue/Digital Conversion (AREA)
AU2001238388A 2000-02-17 2001-02-16 Calibration system for a communications system Abandoned AU2001238388A1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US18310700P 2000-02-17 2000-02-17
US60183107 2000-02-17
PCT/US2001/005025 WO2001061907A2 (en) 2000-02-17 2001-02-16 Calibration system for a communications system

Publications (1)

Publication Number Publication Date
AU2001238388A1 true AU2001238388A1 (en) 2001-08-27

Family

ID=22671469

Family Applications (2)

Application Number Title Priority Date Filing Date
AU2001237048A Abandoned AU2001237048A1 (en) 2000-02-17 2001-02-15 Isolation system with analog communication across an isolation barrier
AU2001238388A Abandoned AU2001238388A1 (en) 2000-02-17 2001-02-16 Calibration system for a communications system

Family Applications Before (1)

Application Number Title Priority Date Filing Date
AU2001237048A Abandoned AU2001237048A1 (en) 2000-02-17 2001-02-15 Isolation system with analog communication across an isolation barrier

Country Status (3)

Country Link
US (2) US7110531B2 (en)
AU (2) AU2001237048A1 (en)
WO (2) WO2001061863A1 (en)

Families Citing this family (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2001061863A1 (en) 2000-02-17 2001-08-23 Analog Devices, Inc. Isolation system with analog communication across an isolation barrier
US7277491B2 (en) * 2002-05-14 2007-10-02 Ess Technology, Inc. Data access arrangement using a high frequency transformer for electrical isolation
TWI235555B (en) * 2004-03-18 2005-07-01 Mediatek Inc DAC DC offset calibration method and related apparatus
US8036622B2 (en) * 2005-09-28 2011-10-11 Qualcomm, Incorporated DC offset cancellation circuit for a receiver
US20100304679A1 (en) * 2009-05-28 2010-12-02 Hanks Zeng Method and System For Echo Estimation and Cancellation
US8947126B2 (en) * 2011-10-10 2015-02-03 Infineon Technologies Austria Ag System, drivers for switches and methods for synchronizing measurements of analog-to-digital converters
US8497700B2 (en) 2011-10-21 2013-07-30 Samsung Electro-Mechanics Systems and methods for propagating digital data across an isolation barrier
US8571093B1 (en) * 2012-04-24 2013-10-29 Nxp B.V. Communication interface for galvanic isolation
CN103269324B (en) * 2013-05-30 2016-04-20 清华大学 Timing tracking method under multi-path channel environment
US9712261B2 (en) 2013-08-15 2017-07-18 Silicon Laboratories Inc. Apparatus and method of background temperature calibration
US10290608B2 (en) 2016-09-13 2019-05-14 Allegro Microsystems, Llc Signal isolator having bidirectional diagnostic signal exchange
CN107105366B (en) * 2017-06-15 2022-09-23 歌尔股份有限公司 Multi-channel echo cancellation circuit and method and intelligent device
CN110138403A (en) * 2018-02-06 2019-08-16 扬智科技股份有限公司 Communication device and its echo removing method
US11115244B2 (en) 2019-09-17 2021-09-07 Allegro Microsystems, Llc Signal isolator with three state data transmission
US11519754B2 (en) 2020-05-29 2022-12-06 Analog Devices International Unlimited Company Isolation amplifier with reference signal transfer
CN112039517B (en) * 2020-09-04 2024-03-22 上海川土微电子有限公司 Ultra-low power consumption capacitive digital isolator circuit based on Pulse-Coding

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US4539552A (en) * 1979-12-13 1985-09-03 At&T Bell Laboratories Digital-to-analog converter
US4387273A (en) * 1980-08-25 1983-06-07 International Telephone And Telegraph Corporation Subscriber line interface circuit with impedance synthesizer
US4563547A (en) * 1983-03-07 1986-01-07 At&T Bell Laboratories Loop-start/ground-start line interface circuit
US4675863A (en) 1985-03-20 1987-06-23 International Mobile Machines Corp. Subscriber RF telephone system for providing multiple speech and/or data signals simultaneously over either a single or a plurality of RF channels
US4748419A (en) * 1986-04-28 1988-05-31 Burr-Brown Corporation Isolation amplifier with precise timing of signals coupled across isolation barrier
US4835486A (en) 1986-04-28 1989-05-30 Burr-Brown Corporation Isolation amplifier with precise timing of signals coupled across isolation barrier
US5142677A (en) * 1989-05-04 1992-08-25 Texas Instruments Incorporated Context switching devices, systems and methods
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
DE3816300A1 (en) * 1988-05-13 1989-11-23 Tzn Forschung & Entwicklung CARTRIDGE FOR ELECTROTHERMAL LOCKING DEVICES
DE3942757A1 (en) * 1989-12-23 1991-06-27 Standard Elektrik Lorenz Ag SUMMER AMPLIFIER WITH A COMPLEX WEIGHTING FACTOR AND INTERFACE WITH SUCH A SUMMER AMPLIFIER
WO1992010037A1 (en) 1990-11-27 1992-06-11 Jacobs Gordon M Digital data converter
TW211095B (en) 1991-12-11 1993-08-11 Philips Nv
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US5392218A (en) * 1993-06-14 1995-02-21 Sundstrand Corporation Electrically isolated approach to sensing dc voltages referenced to a floating ground
US5537441A (en) * 1993-06-14 1996-07-16 At&T Corp. Controlled simultaneous analog and digital communication
US5654984A (en) * 1993-12-03 1997-08-05 Silicon Systems, Inc. Signal modulation across capacitors
US5500894A (en) * 1993-12-03 1996-03-19 Silicon Systems, Inc. Telephone line interface with AC and DC transconductance loops
US5602912A (en) * 1994-05-16 1997-02-11 Silicon Systems, Inc. Telephone hybrid circuit
US5500895A (en) * 1994-05-24 1996-03-19 Yurgelites; Gerald J. Telephone isolation device
US5574396A (en) * 1994-10-13 1996-11-12 The Foxboro Company Micro-power vortex isolator circuit
JP3000911B2 (en) * 1996-01-10 2000-01-17 日本電気株式会社 Automatic setting of optimal number of frames waiting for retransmission of automatic retransmission protocol in mobile facsimile communication
US5724363A (en) 1996-06-21 1998-03-03 Breya; Edward F. Optical analog signal transmission system
US6167132A (en) * 1997-04-22 2000-12-26 Silicon Laboratories, Inc. Analog successive approximation (SAR) analog-to-digital converter (ADC)
US5870046A (en) 1997-04-22 1999-02-09 Silicon Laboratories Inc. Analog 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
US6137827A (en) 1997-04-22 2000-10-24 Silicon Laboratories, Inc. Isolation system with digital communication across a capacitive barrier
US5883907A (en) * 1997-05-01 1999-03-16 Motorola, Inc. Asymmetrical digital subscriber line (ADSL) block encoder circuit and method of operation
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US6545785B1 (en) * 1999-04-01 2003-04-08 Trw Inc. Optical communication system with phase modulation
WO2001061863A1 (en) 2000-02-17 2001-08-23 Analog Devices, Inc. Isolation system with analog communication across an isolation barrier

Also Published As

Publication number Publication date
US20010028320A1 (en) 2001-10-11
AU2001237048A1 (en) 2001-08-27
WO2001061907A3 (en) 2002-03-21
US7110531B2 (en) 2006-09-19
US7305037B2 (en) 2007-12-04
US20010031012A1 (en) 2001-10-18
WO2001061863A1 (en) 2001-08-23
WO2001061907A2 (en) 2001-08-23

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