CA1232988A - Circuit d'interface pour ligne d'abonne avec commande amelioree d'alimentation en courant continu - Google Patents

Circuit d'interface pour ligne d'abonne avec commande amelioree d'alimentation en courant continu

Info

Publication number
CA1232988A
CA1232988A CA000490968A CA490968A CA1232988A CA 1232988 A CA1232988 A CA 1232988A CA 000490968 A CA000490968 A CA 000490968A CA 490968 A CA490968 A CA 490968A CA 1232988 A CA1232988 A CA 1232988A
Authority
CA
Canada
Prior art keywords
coupled
output
current
slic
terminals
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
CA000490968A
Other languages
English (en)
Inventor
Gyula Jakab
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 CA000490968A priority Critical patent/CA1232988A/fr
Application granted granted Critical
Publication of CA1232988A publication Critical patent/CA1232988A/fr
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M19/00—Current supply arrangements for telephone systems
    • H04M19/001—Current supply source at the exchanger providing current to substations
    • H04M19/005—Feeding arrangements without the use of line transformers
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M3/00—Automatic or semi-automatic exchanges
    • H04M3/005—Interface circuits for subscriber lines

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Power Engineering (AREA)
  • Interface Circuits In Exchanges (AREA)
CA000490968A 1985-09-18 1985-09-18 Circuit d'interface pour ligne d'abonne avec commande amelioree d'alimentation en courant continu Expired CA1232988A (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CA000490968A CA1232988A (fr) 1985-09-18 1985-09-18 Circuit d'interface pour ligne d'abonne avec commande amelioree d'alimentation en courant continu

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA000490968A CA1232988A (fr) 1985-09-18 1985-09-18 Circuit d'interface pour ligne d'abonne avec commande amelioree d'alimentation en courant continu

Publications (1)

Publication Number Publication Date
CA1232988A true CA1232988A (fr) 1988-02-16

Family

ID=4131417

Family Applications (1)

Application Number Title Priority Date Filing Date
CA000490968A Expired CA1232988A (fr) 1985-09-18 1985-09-18 Circuit d'interface pour ligne d'abonne avec commande amelioree d'alimentation en courant continu

Country Status (1)

Country Link
CA (1) CA1232988A (fr)

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Legal Events

Date Code Title Description
MKEX Expiry