NO874760L - Hybridkrets. - Google Patents

Hybridkrets.

Info

Publication number
NO874760L
NO874760L NO874760A NO874760A NO874760L NO 874760 L NO874760 L NO 874760L NO 874760 A NO874760 A NO 874760A NO 874760 A NO874760 A NO 874760A NO 874760 L NO874760 L NO 874760L
Authority
NO
Norway
Prior art keywords
transformer
hybrid circuit
internal impedance
complex internal
parasitics
Prior art date
Application number
NO874760A
Other languages
English (en)
Other versions
NO874760D0 (no
Inventor
Peter Meschkat
Juergen Zanzig
Original Assignee
Alcatel Nv
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 Alcatel Nv filed Critical Alcatel Nv
Publication of NO874760D0 publication Critical patent/NO874760D0/no
Publication of NO874760L publication Critical patent/NO874760L/no

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
    • 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
    • H04B1/581—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 using a transformer

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Amplifiers (AREA)
  • Diaphragms For Electromechanical Transducers (AREA)
  • Networks Using Active Elements (AREA)
  • External Artificial Organs (AREA)
  • Investigating Or Analysing Materials By The Use Of Chemical Reactions (AREA)
  • Measurement Of Resistance Or Impedance (AREA)
  • Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
NO874760A 1986-11-25 1987-11-16 Hybridkrets. NO874760L (no)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19863640127 DE3640127A1 (de) 1986-11-25 1986-11-25 Elektronische gabelschaltung

Publications (2)

Publication Number Publication Date
NO874760D0 NO874760D0 (no) 1987-11-16
NO874760L true NO874760L (no) 1988-05-26

Family

ID=6314657

Family Applications (1)

Application Number Title Priority Date Filing Date
NO874760A NO874760L (no) 1986-11-25 1987-11-16 Hybridkrets.

Country Status (8)

Country Link
US (1) US4881262A (no)
EP (1) EP0269055B1 (no)
AT (1) ATE86052T1 (no)
AU (1) AU594530B2 (no)
DE (2) DE3640127A1 (no)
ES (1) ES2040236T3 (no)
FI (1) FI875141A (no)
NO (1) NO874760L (no)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0787404B2 (ja) * 1987-12-16 1995-09-20 株式会社ミュ−コム テレビ電話機に使用する伝送装置
US5274704A (en) * 1989-01-19 1993-12-28 Northern Telecom Limited Transformer telephone line interface circuit
DE3942757A1 (de) * 1989-12-23 1991-06-27 Standard Elektrik Lorenz Ag Summierverstaerker mit einem komplexen gewichtungsfaktor und schnittstelle mit einem solchen summierverstaerker
DE3942758A1 (de) * 1989-12-23 1991-06-27 Standard Elektrik Lorenz Ag Nachbildung einer komplexen impedanz und schnittstelle mit einer solchen nachbildung
US5187742A (en) * 1990-01-12 1993-02-16 Codex Corporation Circuitry for interfacing telecommunications equipment to a communication channel
US5249225A (en) * 1991-10-25 1993-09-28 Coherent Communications Systems Corp. Self-balancing hybrid using digitally programmable attenuator for variable impedance elements
DE4142299C2 (de) * 1991-12-20 1998-08-27 Kommunikations Elektronik Gabelschaltung zur Verbindung einer Zweidrahtleitung mit einer Vierdrahtleitung
US6384582B2 (en) * 2000-05-19 2002-05-07 Endress + Hauser Flowtec Ag Controlled current sources of two-wire measuring instruments
DE10030123A1 (de) * 2000-06-20 2002-01-03 Infineon Technologies Ag Schaltungsanordnung zur analogen Echounterdrückung
EP2051378A1 (en) * 2007-10-18 2009-04-22 Alcatel Lucent Inductance enchancement circuit
CN102664621B (zh) * 2012-05-25 2014-08-13 长园深瑞继保自动化有限公司 电子互感器信号采集的隔离方法和电路

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3973089A (en) * 1973-10-29 1976-08-03 General Electric Company Adaptive hybrid circuit
US3982080A (en) * 1975-01-16 1976-09-21 Bell Telephone Laboratories, Incorporated Automatic cable balancing network
US4002852A (en) * 1975-07-08 1977-01-11 International Telephone And Telegraph Corporation Electronic telephone network
US3993880A (en) * 1976-02-09 1976-11-23 Bell Telephone Laboratories, Incorporated Resistive battery feed for line circuits
NL7903797A (nl) * 1979-05-15 1980-11-18 Philips Nv Vorkschakeling.
US4358643A (en) * 1980-04-21 1982-11-09 Siemens Corporation Two to four wire hybrid circuit
CA1178386A (en) * 1982-06-07 1984-11-20 Stanley D. Rosenbaum Active impedance transformer assisted line feed circuit
DE3323649C2 (de) * 1983-07-01 1987-04-02 Standard Elektrik Lorenz Ag, 7000 Stuttgart Schaltungsanordnung zur Erhöhung der Induktivität einer Spule
DE3323651A1 (de) * 1983-07-01 1985-01-17 Standard Elektrik Lorenz Ag, 7000 Stuttgart Schaltungsanordnung zur erhoehung der querinduktivitaet eines uebertragers
DE3428106A1 (de) * 1984-07-30 1986-02-06 Standard Elektrik Lorenz Ag, 7000 Stuttgart Teilnehmeranschlussschaltung
JPS61108231A (ja) * 1984-11-01 1986-05-26 Nec Corp 加入者回路

Also Published As

Publication number Publication date
NO874760D0 (no) 1987-11-16
ES2040236T3 (es) 1993-10-16
FI875141A (fi) 1988-05-26
EP0269055B1 (de) 1993-02-24
AU8116287A (en) 1988-05-26
EP0269055A3 (en) 1990-01-17
AU594530B2 (en) 1990-03-08
ATE86052T1 (de) 1993-03-15
FI875141A0 (fi) 1987-11-20
EP0269055A2 (de) 1988-06-01
DE3640127A1 (de) 1988-06-01
US4881262A (en) 1989-11-14
DE3784316D1 (de) 1993-04-01

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