CA1165913A - Dispositif pour injecter des signaux dans une ligne bifilaire ou en extraire - Google Patents

Dispositif pour injecter des signaux dans une ligne bifilaire ou en extraire

Info

Publication number
CA1165913A
CA1165913A CA000392796A CA392796A CA1165913A CA 1165913 A CA1165913 A CA 1165913A CA 000392796 A CA000392796 A CA 000392796A CA 392796 A CA392796 A CA 392796A CA 1165913 A CA1165913 A CA 1165913A
Authority
CA
Canada
Prior art keywords
filter
line
transformer
band
winding
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.)
Expired
Application number
CA000392796A
Other languages
English (en)
Inventor
Ralph T. Carsten
Michael S. Nakhla
Charles B.D. Bunner
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.)
Nortel Networks Ltd
Original Assignee
Northern Telecom Ltd
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 Northern Telecom Ltd filed Critical Northern Telecom Ltd
Priority to CA000392796A priority Critical patent/CA1165913A/fr
Priority to DE8282301490T priority patent/DE3278899D1/de
Priority to EP82301490A priority patent/EP0063414B1/fr
Application granted granted Critical
Publication of CA1165913A publication Critical patent/CA1165913A/fr
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
    • H03H7/00—Multiple-port networks comprising only passive electrical elements as network components
    • H03H7/01—Frequency selective two-port networks
    • H03H7/17—Structural details of sub-circuits of frequency selective networks
    • H03H7/1741—Comprising typical LC combinations, irrespective of presence and location of additional resistors
    • H03H7/1758—Series LC in shunt or branch path
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
    • H03H7/00—Multiple-port networks comprising only passive electrical elements as network components
    • H03H7/01—Frequency selective two-port networks
    • H03H7/0115—Frequency selective two-port networks comprising only inductors and capacitors
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Power Engineering (AREA)
  • Telephonic Communication Services (AREA)
  • Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
CA000392796A 1981-04-06 1981-12-21 Dispositif pour injecter des signaux dans une ligne bifilaire ou en extraire Expired CA1165913A (fr)

Priority Applications (3)

Application Number Priority Date Filing Date Title
CA000392796A CA1165913A (fr) 1981-12-21 1981-12-21 Dispositif pour injecter des signaux dans une ligne bifilaire ou en extraire
DE8282301490T DE3278899D1 (en) 1981-04-06 1982-03-23 Apparatus for coupling signals to or from a two-wire line
EP82301490A EP0063414B1 (fr) 1981-04-06 1982-03-23 Dispositif pour coupler des signeaux d'une ligne a deux fils

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA000392796A CA1165913A (fr) 1981-12-21 1981-12-21 Dispositif pour injecter des signaux dans une ligne bifilaire ou en extraire

Publications (1)

Publication Number Publication Date
CA1165913A true CA1165913A (fr) 1984-04-17

Family

ID=4121667

Family Applications (1)

Application Number Title Priority Date Filing Date
CA000392796A Expired CA1165913A (fr) 1981-04-06 1981-12-21 Dispositif pour injecter des signaux dans une ligne bifilaire ou en extraire

Country Status (1)

Country Link
CA (1) CA1165913A (fr)

Similar Documents

Publication Publication Date Title
US4456986A (en) Apparatus for coupling signals to or from a two-wire line
US4456985A (en) Apparatus for coupling signals to or from a two-wire line
US4443662A (en) Filters comprising reactive components, and a method of determining impedances thereof
US4764922A (en) Data terminal interface circuit to a telephone transmission line
US5705974A (en) Power line communications system and coupling circuit for power line communications system
CA1298346C (fr) Protection des lignes de communication contre les parasites transitoires
US4800344A (en) Balun
EP1050975B1 (fr) Appareil de communication pour un réseau de distribution d'électricité
US5497142A (en) Directional separator-coupler circuit for medium-frequency carrier currents on a low-voltage electrical line
US5627501A (en) Signal coupler with automatic common line attenuation compensation
EP1006673B1 (fr) Inductance de charge
EP0062442B1 (fr) Dispositif pour une ligne bifilaire, destiné au couplage de signaux
CA2327209A1 (fr) Methode et dispositif d'annulation d'echo
CA1165913A (fr) Dispositif pour injecter des signaux dans une ligne bifilaire ou en extraire
US6381284B1 (en) Method of and devices for telecommunications
JPH04372213A (ja) Ｌａｎ用伝送インターフェース回路
CA1165914A (fr) Dispositif pour injecter des signaux dans une ligne bifilaire ou en extraire
EP0063414B1 (fr) Dispositif pour coupler des signeaux d'une ligne a deux fils
US6078662A (en) Radio frequency interference filter
US5285177A (en) Antenna sharing device using mutually coupled resonant circuits
CA1158789A (fr) Filtres a composants reactifs, et methode de determination des impedances pertinentes
US4701947A (en) Circuit arrangement for suppressing interference signals on the receiving arm of a telephone subscriber line circuit
US1625840A (en) Transmission system
WO1999039433A1 (fr) Convertisseur d'impedance actif
AU555343B2 (en) Supply circuit included in a dc-magnetized hybrid transformer

Legal Events

Date Code Title Description
MKEX Expiry