SE0200666L - Sändare/mottagare för dubbelriktad kommunikation - Google Patents

Sändare/mottagare för dubbelriktad kommunikation

Info

Publication number
SE0200666L
SE0200666L SE0200666A SE0200666A SE0200666L SE 0200666 L SE0200666 L SE 0200666L SE 0200666 A SE0200666 A SE 0200666A SE 0200666 A SE0200666 A SE 0200666A SE 0200666 L SE0200666 L SE 0200666L
Authority
SE
Sweden
Prior art keywords
receiver
terminals
output
input
transmitter
Prior art date
Application number
SE0200666A
Other languages
Unknown language ( )
English (en)
Other versions
SE0200666D0 (sv
SE521549C2 (sv
Inventor
Allan Olson
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 SE0200666A priority Critical patent/SE521549C2/sv
Publication of SE0200666D0 publication Critical patent/SE0200666D0/sv
Priority to PCT/SE2003/000309 priority patent/WO2003075478A1/en
Priority to CNB038002736A priority patent/CN100372243C/zh
Priority to DE60300866T priority patent/DE60300866T2/de
Priority to US10/488,052 priority patent/US7221702B2/en
Priority to JP2003573798A priority patent/JP4163628B2/ja
Priority to KR1020047003316A priority patent/KR100694632B1/ko
Priority to AU2003206580A priority patent/AU2003206580A1/en
Priority to EP03705631A priority patent/EP1481488B1/en
Publication of SE0200666L publication Critical patent/SE0200666L/sv
Publication of SE521549C2 publication Critical patent/SE521549C2/sv

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
    • H04B1/38—Transceivers, i.e. devices in which transmitter and receiver form a structural unit and in which at least one part is used for functions of transmitting and receiving
    • H04B1/40—Circuits
    • H04B1/54—Circuits using the same frequency for two directions of communication
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
    • H04B1/38—Transceivers, i.e. devices in which transmitter and receiver form a structural unit and in which at least one part is used for functions of transmitting and receiving
    • H04B1/40—Circuits
    • H04B1/50—Circuits using different frequencies for the two directions of communication
    • H04B1/52—Hybrid arrangements, i.e. arrangements for transition from single-path two-direction transmission to single-direction transmission on each of two paths or vice versa
    • H04B1/525—Hybrid arrangements, i.e. arrangements for transition from single-path two-direction transmission to single-direction transmission on each of two paths or vice versa with means for reducing leakage of transmitter signal into the receiver
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
    • H04B1/38—Transceivers, i.e. devices in which transmitter and receiver form a structural unit and in which at least one part is used for functions of transmitting and receiving
    • H04B1/40—Circuits
    • H04B1/54—Circuits using the same frequency for two directions of communication
    • H04B1/58—Hybrid arrangements, i.e. arrangements for transition from single-path two-direction transmission to single-direction transmission on each of two paths or vice versa

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Amplifiers (AREA)
  • Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
  • Dc Digital Transmission (AREA)
  • Bidirectional Digital Transmission (AREA)
SE0200666A 2002-03-04 2002-03-04 Sändare/mottagare för dubbelriktad kommunikation SE521549C2 (sv)

Priority Applications (9)

Application Number Priority Date Filing Date Title
SE0200666A SE521549C2 (sv) 2002-03-04 2002-03-04 Sändare/mottagare för dubbelriktad kommunikation
EP03705631A EP1481488B1 (en) 2002-03-04 2003-02-26 TRANSMITTER/RECEIVER FOR BIDIRECTIONAL COMMUNICATIONS
US10/488,052 US7221702B2 (en) 2002-03-04 2003-02-26 Transmitter/receiver for bidirectional communications
CNB038002736A CN100372243C (zh) 2002-03-04 2003-02-26 双向通信系统
DE60300866T DE60300866T2 (de) 2002-03-04 2003-02-26 Sender/empfaenger für die bidirektionale kommunikation
PCT/SE2003/000309 WO2003075478A1 (en) 2002-03-04 2003-02-26 Transmitter/receiver for bidirectional communications
JP2003573798A JP4163628B2 (ja) 2002-03-04 2003-02-26 双方向通信のための送受信装置
KR1020047003316A KR100694632B1 (ko) 2002-03-04 2003-02-26 쌍방향 통신용 송수신기
AU2003206580A AU2003206580A1 (en) 2002-03-04 2003-02-26 Transmitter/receiver for bidirectional communications

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE0200666A SE521549C2 (sv) 2002-03-04 2002-03-04 Sändare/mottagare för dubbelriktad kommunikation

Publications (3)

Publication Number Publication Date
SE0200666D0 SE0200666D0 (sv) 2002-03-04
SE0200666L true SE0200666L (sv) 2003-09-05
SE521549C2 SE521549C2 (sv) 2003-11-11

Family

ID=20287171

Family Applications (1)

Application Number Title Priority Date Filing Date
SE0200666A SE521549C2 (sv) 2002-03-04 2002-03-04 Sändare/mottagare för dubbelriktad kommunikation

Country Status (9)

Country Link
US (1) US7221702B2 (sv)
EP (1) EP1481488B1 (sv)
JP (1) JP4163628B2 (sv)
KR (1) KR100694632B1 (sv)
CN (1) CN100372243C (sv)
AU (1) AU2003206580A1 (sv)
DE (1) DE60300866T2 (sv)
SE (1) SE521549C2 (sv)
WO (1) WO2003075478A1 (sv)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7190194B2 (en) * 2004-02-13 2007-03-13 Nec Electronics Corporation Active hybrid transformer circuit having a replica driver
US8035507B2 (en) 2008-10-28 2011-10-11 Cooper Technologies Company Method and apparatus for stimulating power line carrier injection with reactive oscillation
US20100289629A1 (en) * 2008-10-28 2010-11-18 Cooper Technologies Company Load Control Device with Two-Way Communication Capabilities

Family Cites Families (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4746897A (en) * 1984-01-30 1988-05-24 Westinghouse Electric Corp. Apparatus for transmitting and receiving a power line
US4636771A (en) * 1984-12-10 1987-01-13 Westinghouse Electric Corp. Power line communications terminal and interface circuit associated therewith
US4736385A (en) * 1987-01-27 1988-04-05 Computer Network Technology Corporation Transmitter and receiver circuit
US4896333A (en) * 1987-08-04 1990-01-23 Signetics Corporation Circuit for generating a trapezoidal current waveform with matched rise and fall times
US4984248A (en) * 1988-08-19 1991-01-08 Industrial Technology Research Institute High speed transceiver
US5253249A (en) * 1989-06-29 1993-10-12 Digital Equipment Corporation Bidirectional transceiver for high speed data system
JP2999214B2 (ja) * 1990-03-02 2000-01-17 株式会社東芝 伝送入出力回路
US5748675A (en) * 1992-09-28 1998-05-05 Chrysler Corporation Vehicle communications network with improved current sourcing
US5719856A (en) * 1995-04-07 1998-02-17 Motorola, Inc. Transmitter/receiver interface apparatus and method for a bi-directional transmission path
JPH0993165A (ja) * 1995-09-22 1997-04-04 Internatl Business Mach Corp <Ibm> インピーダンス整合装置
US5838722A (en) * 1996-04-24 1998-11-17 Aeroflex, Inc. Monolithic transceiver including feedback control
JP4052697B2 (ja) * 1996-10-09 2008-02-27 富士通株式会社 信号伝送システム、および、該信号伝送システムのレシーバ回路
US6057731A (en) * 1998-09-23 2000-05-02 Nortel Networks Corporation Low-distortion high-frequency amplifier
US6426970B1 (en) * 1998-10-20 2002-07-30 Clearcube Technology, Inc. Bi-directional signal coupler method and apparatus
FR2800216B1 (fr) * 1999-10-25 2001-12-28 Thomson Multimedia Sa Dispositif de reception/emission simultanees de signaux comprenant un amplificateur a faible bruit
US7177349B2 (en) * 2000-01-28 2007-02-13 Sasken Communication Technologies, Ltd. High impedance state for digital subscriber line transceivers on copper twisted pairs

Also Published As

Publication number Publication date
SE0200666D0 (sv) 2002-03-04
CN100372243C (zh) 2008-02-27
CN1515084A (zh) 2004-07-21
EP1481488A1 (en) 2004-12-01
JP4163628B2 (ja) 2008-10-08
KR20040031054A (ko) 2004-04-09
EP1481488B1 (en) 2005-06-15
DE60300866T2 (de) 2006-05-11
US20050063477A1 (en) 2005-03-24
DE60300866D1 (de) 2005-07-21
US7221702B2 (en) 2007-05-22
WO2003075478A1 (en) 2003-09-12
AU2003206580A1 (en) 2003-09-16
JP2005519519A (ja) 2005-06-30
SE521549C2 (sv) 2003-11-11
KR100694632B1 (ko) 2007-03-13

Similar Documents

Publication Publication Date Title
TW200603534A (en) Radio frequency low noise amplifier with automatic gain control
EP1626508A4 (en) CIRCUIT FOR REGULATING THE TRANSMISSION AND THE WORLDWIDE USING THE WIRELESS DEVICE
US4734919A (en) Circuit for serial data communication and power transmission
MY116300A (en) Monolithic high frequency antenna switch
WO2005112286A3 (en) Wireless transceiver and method of operating the same
EP0691752B1 (en) Transformerless hybrid circuit having direct powered line-side amplifiers
CA2220393A1 (en) Data transmission system with a low peak-to-average power ratio based on distorting small amplitude signals
WO2002065662A3 (en) Line interface a matching impedance coupled ro a feedback path
SE0200666L (sv) Sändare/mottagare för dubbelriktad kommunikation
AU2003260008A1 (en) System and method for establishing the input impedance of an amplifier in a stacked configuration
EP1630926A3 (en) Power switching device in mobile communication terminal
WO2005057869A3 (en) Line interface system
SE0103414L (sv) Ekosläckningsanordning
EP1427100A4 (en) pre-amplification
WO1997033366A3 (en) Circuit arrangement comprising a logarithmic transfer function
KR101081242B1 (ko) 전력 증폭 회로
CN115459803A (zh) 一种全国产化话音自适应电路设计
KR100312338B1 (ko) 이동 통신 단말기의 전력증폭기 입력 전압 제어 회로
KR100528781B1 (ko) 선형적인 출력파워 검출 기능을 가지는 무선통신 단말기
TW200516883A (en) Optical receiving device
KR830001580B1 (ko) 확성전화기의 음성용 트랜스레스 2선식 동시통화장치
KR101081267B1 (ko) 전력 증폭 회로
CN201515413U (zh) 免电源电话扩音装置
ATE263456T1 (de) Sender für mobiles telekommunikationsendgerät
JPH1075314A (ja) インターホン装置

Legal Events

Date Code Title Description
NUG Patent has lapsed