SE0103414D0 - Echo cancelling arrangement - Google Patents

Echo cancelling arrangement

Info

Publication number
SE0103414D0
SE0103414D0 SE0103414A SE0103414A SE0103414D0 SE 0103414 D0 SE0103414 D0 SE 0103414D0 SE 0103414 A SE0103414 A SE 0103414A SE 0103414 A SE0103414 A SE 0103414A SE 0103414 D0 SE0103414 D0 SE 0103414D0
Authority
SE
Sweden
Prior art keywords
load
line driver
receiver
input terminals
impedance
Prior art date
Application number
SE0103414A
Other languages
English (en)
Other versions
SE0103414L (sv
SE520184C2 (sv
Inventor
Stefan Barkaroe
Torbjoern Randahl
Original Assignee
Ericsson Telefon Ab L M
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 Ericsson Telefon Ab L M filed Critical Ericsson Telefon Ab L M
Priority to SE0103414A priority Critical patent/SE520184C2/sv
Publication of SE0103414D0 publication Critical patent/SE0103414D0/sv
Priority to TW091105890A priority patent/TW584993B/zh
Priority to PCT/SE2002/001688 priority patent/WO2003032515A1/en
Publication of SE0103414L publication Critical patent/SE0103414L/sv
Publication of SE520184C2 publication Critical patent/SE520184C2/sv
Priority to US10/821,781 priority patent/US7839993B2/en
Priority to US12/845,024 priority patent/US8588403B2/en

Links

Classifications

    • HELECTRICITY
    • H03ELECTRONIC CIRCUITRY
    • H03HIMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
    • H03H11/00Networks using active elements
    • H03H11/02Multiple-port networks
    • H03H11/28Impedance matching networks
    • H03H11/30Automatic matching of source impedance to load impedance
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04BTRANSMISSION
    • H04B3/00Line transmission systems
    • H04B3/02Details
    • H04B3/03Hybrid circuits
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00Arrangements affording multiple use of the transmission path
    • H04L5/14Two-way operation using the same type of signal, i.e. duplex
    • H04L5/1423Two-way operation using the same type of signal, i.e. duplex for simultaneous baseband signals

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
  • Dc Digital Transmission (AREA)
SE0103414A 2001-10-11 2001-10-11 Ekosläckningsanordning SE520184C2 (sv)

Priority Applications (5)

Application Number Priority Date Filing Date Title
SE0103414A SE520184C2 (sv) 2001-10-11 2001-10-11 Ekosläckningsanordning
TW091105890A TW584993B (en) 2001-10-11 2002-03-26 Echo cancelling arrangement
PCT/SE2002/001688 WO2003032515A1 (en) 2001-10-11 2002-09-18 Echo cancelling arrangement
US10/821,781 US7839993B2 (en) 2001-10-11 2004-04-09 Echo canceling arrangement
US12/845,024 US8588403B2 (en) 2001-10-11 2010-07-28 Echo canceling arrangement

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE0103414A SE520184C2 (sv) 2001-10-11 2001-10-11 Ekosläckningsanordning

Publications (3)

Publication Number Publication Date
SE0103414D0 true SE0103414D0 (sv) 2001-10-11
SE0103414L SE0103414L (sv) 2003-04-12
SE520184C2 SE520184C2 (sv) 2003-06-10

Family

ID=20285640

Family Applications (1)

Application Number Title Priority Date Filing Date
SE0103414A SE520184C2 (sv) 2001-10-11 2001-10-11 Ekosläckningsanordning

Country Status (4)

Country Link
US (2) US7839993B2 (sv)
SE (1) SE520184C2 (sv)
TW (1) TW584993B (sv)
WO (1) WO2003032515A1 (sv)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115913274A (zh) * 2023-02-08 2023-04-04 上海芯浦科技有限公司 一种消除发送器本地信号的方法

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1612962B1 (en) * 2004-06-29 2011-09-28 Lantiq Deutschland GmbH Broadband xDSL transceiver
TWI504173B (zh) * 2013-10-16 2015-10-11 Realtek Semiconductor Corp 數位用戶迴路之訊號收發電路
US9473204B2 (en) * 2015-03-09 2016-10-18 Realtek Semiconductor Corporation Full-duplex transceiver circuit and method thereof
EP3270518B1 (en) * 2016-07-14 2019-08-07 Intel IP Corporation Time division duplexing receiver with constant impedance for a broadband line terminal with asynchronous transmission

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3904838A (en) * 1971-06-04 1975-09-09 Int Standard Electric Corp Two-wire, bi-directional voice frequency repeater
US4859877A (en) * 1988-01-04 1989-08-22 Gte Laboratories Incorporated Bidirectional digital signal transmission system
US5448182A (en) * 1994-05-02 1995-09-05 Motorola Inc. Driver circuit with self-adjusting impedance matching
SE511825C2 (sv) * 1998-03-31 1999-12-06 Ericsson Telefon Ab L M Förfarande och anordning i en analog linjekrets
CA2277534A1 (en) * 1999-07-13 2001-01-13 Jim Hjartarson Combined xdsl and voice line card
EP1187411B1 (en) * 2000-09-05 2007-12-19 Texas Instruments Incorporated Monolithic ADSL analogue front end
EP1195913B1 (en) * 2000-10-05 2011-06-08 Alcatel Lucent Amplifier arrangement
US20030031139A1 (en) * 2001-08-06 2003-02-13 Thilenius Stephen C. Echo cancellation circuit
EP1612962B1 (en) * 2004-06-29 2011-09-28 Lantiq Deutschland GmbH Broadband xDSL transceiver

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115913274A (zh) * 2023-02-08 2023-04-04 上海芯浦科技有限公司 一种消除发送器本地信号的方法
CN115913274B (zh) * 2023-02-08 2023-05-30 上海芯浦科技有限公司 一种消除发送器本地信号的方法

Also Published As

Publication number Publication date
SE0103414L (sv) 2003-04-12
TW584993B (en) 2004-04-21
US20100289523A1 (en) 2010-11-18
US7839993B2 (en) 2010-11-23
WO2003032515A1 (en) 2003-04-17
US20040218754A1 (en) 2004-11-04
US8588403B2 (en) 2013-11-19
SE520184C2 (sv) 2003-06-10

Similar Documents

Publication Publication Date Title
MY116300A (en) Monolithic high frequency antenna switch
SE9902629L (sv) Balunkrets
EP0691752B1 (en) Transformerless hybrid circuit having direct powered line-side amplifiers
US5745859A (en) Portable radio telephone headphone
US20040120405A1 (en) Simultaneous bidirectional signal subtraction
SE0103414D0 (sv) Echo cancelling arrangement
SE9800635D0 (sv) A differential line driver
US6222416B1 (en) Signal amplifier circuit with symmetrical inputs and outputs
KR900002740B1 (ko) 교환기용 급전회로
JPS59135961A (ja) 電話機用送話信号抑制回路
JPS61269537A (ja) 端末装置
JPH0851651A (ja) 加入者線インタフェース回路及びインピーダンス整合方法並びにハイブリッド間エコーキャンセレーション方法
JP4413302B2 (ja) ハイブリッド増幅器
SE0200666L (sv) Sändare/mottagare för dubbelriktad kommunikation
DE3574214D1 (en) Subscriber line circuit
US6694014B1 (en) Constant impedance digital line interface circuit
CN1874160B (zh) 模拟信号转换隔离装置
WO1997033366A3 (en) Circuit arrangement comprising a logarithmic transfer function
GB943423A (en) Telecommunication receivers
GB1124351A (en) Improvements in or relating to electric circuits
US5251257A (en) 2-wire/3-wire converting apparatus
TW200618460A (en) Operational amplifier with frequency compensation circuit
JPH066605Y2 (ja) 利得切替形増幅回路
JPS54151308A (en) Supply circuit for communication current
JPH1075314A (ja) インターホン装置

Legal Events

Date Code Title Description
NUG Patent has lapsed