JPS5738052A - Constant impedance circuit - Google Patents

Constant impedance circuit

Info

Publication number
JPS5738052A
JPS5738052A JP11317780A JP11317780A JPS5738052A JP S5738052 A JPS5738052 A JP S5738052A JP 11317780 A JP11317780 A JP 11317780A JP 11317780 A JP11317780 A JP 11317780A JP S5738052 A JPS5738052 A JP S5738052A
Authority
JP
Japan
Prior art keywords
circuit
voltage
current
terminal
information
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.)
Granted
Application number
JP11317780A
Other languages
English (en)
Japanese (ja)
Other versions
JPS6239869B2 (enExample
Inventor
Kunihiko Yoshimura
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.)
NEC Corp
Original Assignee
NEC Corp
Nippon Electric Co 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 NEC Corp, Nippon Electric Co Ltd filed Critical NEC Corp
Priority to JP11317780A priority Critical patent/JPS5738052A/ja
Publication of JPS5738052A publication Critical patent/JPS5738052A/ja
Publication of JPS6239869B2 publication Critical patent/JPS6239869B2/ja
Granted legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M1/00—Substation equipment, e.g. for use by subscribers
    • H04M1/738—Interface circuits for coupling substations to external telephone lines
    • H04M1/76—Compensating for differences in line impedance

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Networks Using Active Elements (AREA)
  • Devices For Supply Of Signal Current (AREA)
JP11317780A 1980-08-18 1980-08-18 Constant impedance circuit Granted JPS5738052A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP11317780A JPS5738052A (en) 1980-08-18 1980-08-18 Constant impedance circuit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP11317780A JPS5738052A (en) 1980-08-18 1980-08-18 Constant impedance circuit

Publications (2)

Publication Number Publication Date
JPS5738052A true JPS5738052A (en) 1982-03-02
JPS6239869B2 JPS6239869B2 (enExample) 1987-08-25

Family

ID=14605498

Family Applications (1)

Application Number Title Priority Date Filing Date
JP11317780A Granted JPS5738052A (en) 1980-08-18 1980-08-18 Constant impedance circuit

Country Status (1)

Country Link
JP (1) JPS5738052A (enExample)

Also Published As

Publication number Publication date
JPS6239869B2 (enExample) 1987-08-25

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