CN104813592A - 铜线接口电路 - Google Patents

铜线接口电路 Download PDF

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Publication number
CN104813592A
CN104813592A CN201380002108.8A CN201380002108A CN104813592A CN 104813592 A CN104813592 A CN 104813592A CN 201380002108 A CN201380002108 A CN 201380002108A CN 104813592 A CN104813592 A CN 104813592A
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China
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CN201380002108.8A
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CN104813592B (zh
Inventor
赵治磊
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Huawei Technologies Co Ltd
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Huawei Technologies Co Ltd
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Publication of CN104813592A publication Critical patent/CN104813592A/zh
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Classifications

    • 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
    • H03—ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F1/00—Details of amplifiers with only discharge tubes, only semiconductor devices or only unspecified devices as amplifying elements
    • H03F1/56—Modifications of input or output impedances, not otherwise provided for
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B3/00—Line transmission systems
    • H04B3/02—Details
    • H04B3/03—Hybrid circuits
    • 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
    • H04B3/21—Reducing echo effects or singing; Opening or closing transmitting path; Conditioning for transmission in one direction or the other using a set of bandfilters
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F2200/00—Indexing scheme relating to amplifiers
    • H03F2200/387—A circuit being added at the output of an amplifier to adapt the output impedance of the amplifier
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F2200/00—Indexing scheme relating to amplifiers
    • H03F2200/423—Amplifier output adaptation especially for transmission line coupling purposes, e.g. impedance adaptation

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Power Engineering (AREA)
  • Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
  • Telephone Function (AREA)

Abstract

一种铜线接口电路。包括：电流输出型放大器(10)与端口阻抗部件(11)以及发送端连接，电流输出型放大器(10)用于将待发送信号进行放大；端口阻抗部件(11)还与高通滤波器(12)连接，端口阻抗部件(11)的阻抗经过高通滤波器(12)阻抗变换后用于与线缆和负载的等效阻抗进行阻抗匹配；高通滤波器(12)与端口阻抗部件(11)以及电缆连接，高通滤波器(12)用于对待发送信号或接收信号进行滤波，并对端口阻抗部件(11)进行阻抗变换；回波抵消模块(13)与端口阻抗部件(11)以及接收端连接，回波抵消模块用于对接收信号的采样处理和对待发送信号的抵消处理。避免了线对间的相互串扰发生变化，提高了线缆的传输稳定性。

Description

PCT国内申请，说明书已公开。

Claims (1)

  1. PCT国内申请，权利要求书已公开。
CN201380002108.8A 2013-10-25 2013-10-25 铜线接口电路 Active CN104813592B (zh)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/CN2013/085953 WO2015058403A1 (zh) 2013-10-25 2013-10-25 铜线接口电路

Publications (2)

Publication Number Publication Date
CN104813592A true CN104813592A (zh) 2015-07-29
CN104813592B CN104813592B (zh) 2016-12-07

Family

ID=52992159

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201380002108.8A Active CN104813592B (zh) 2013-10-25 2013-10-25 铜线接口电路

Country Status (6)

Country Link
US (1) US9742463B2 (zh)
EP (1) EP3048741B1 (zh)
JP (1) JP6360169B2 (zh)
KR (1) KR101897526B1 (zh)
CN (1) CN104813592B (zh)
WO (1) WO2015058403A1 (zh)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20150372846A1 (en) * 2014-06-20 2015-12-24 Ikanos Communications, Inc. Dual band analog front end for high speed data transmissions in dmt systems
US20230179163A1 (en) * 2021-12-07 2023-06-08 Harris Global Communications, Inc. Communications system including selectable impedance using an alternating pulse width modulation scheme and related methods

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1999050970A1 (en) * 1998-03-31 1999-10-07 Telefonaktiebolaget Lm Ericsson (Publ) A method and an arrangement in an analog line interface circuit
CN1868009A (zh) * 2003-09-16 2006-11-22 南岸大学企业有限公司 数字用户线路调制解调器和变压器
CN102082886A (zh) * 2011-01-20 2011-06-01 华为技术有限公司 一种数字用户线路的电路及设备

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5528630A (en) * 1994-04-20 1996-06-18 At&T Corp. Coupler for communication systems which utilize more than one frequency band
DE50000422D1 (de) * 1999-02-25 2002-10-02 Infineon Technologies Ag Schaltung zur gemeinsamen übertragung von sprache und daten über eine telefonleitung
JP2001007739A (ja) * 1999-06-24 2001-01-12 Nec Corp 通信装置
FR2798022B1 (fr) * 1999-08-30 2008-09-26 St Microelectronics Sa Circuit hybride d'emission-reception
US7583797B2 (en) * 2000-07-10 2009-09-01 Broadcom Corporation Single ended analog front end
US6925172B2 (en) * 2001-02-01 2005-08-02 Analog Devices, Inc. Line interface with gain feedback coupled matching impedance
JP3607639B2 (ja) * 2001-05-09 2005-01-05 日本電気通信システム株式会社 ２線４線変換回路
CN1190037C (zh) * 2003-03-07 2005-02-16 港湾网络有限公司 用户接口电路二四线转换及直流馈电装置
US7212627B2 (en) * 2004-09-21 2007-05-01 Analog Devices, Inc. Line interface with analog echo cancellation
JP4936128B2 (ja) * 2007-06-07 2012-05-23 横河電機株式会社 損失補償回路
JP5098617B2 (ja) * 2007-12-12 2012-12-12 横河電機株式会社 プリエンファシス回路
CN101505174A (zh) * 2008-02-04 2009-08-12 深圳华为通信技术有限公司 抑制电磁干扰的接口电路及方法
CN101359932B (zh) * 2008-09-03 2012-08-29 华为技术有限公司 一种数字用户线线路驱动装置、方法和接入系统
JP4837715B2 (ja) * 2008-10-23 2011-12-14 カナレ電気株式会社 アクティブコネクタ

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1999050970A1 (en) * 1998-03-31 1999-10-07 Telefonaktiebolaget Lm Ericsson (Publ) A method and an arrangement in an analog line interface circuit
CN1868009A (zh) * 2003-09-16 2006-11-22 南岸大学企业有限公司 数字用户线路调制解调器和变压器
CN102082886A (zh) * 2011-01-20 2011-06-01 华为技术有限公司 一种数字用户线路的电路及设备

Also Published As

Publication number Publication date
EP3048741A1 (en) 2016-07-27
EP3048741B1 (en) 2018-09-12
KR20160072207A (ko) 2016-06-22
US20160241302A1 (en) 2016-08-18
EP3048741A4 (en) 2016-10-05
JP6360169B2 (ja) 2018-07-18
WO2015058403A1 (zh) 2015-04-30
US9742463B2 (en) 2017-08-22
CN104813592B (zh) 2016-12-07
JP2016534599A (ja) 2016-11-04
KR101897526B1 (ko) 2018-10-31

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