JPS56128037A - Two-way amplifier of two-wire system - Google Patents

Two-way amplifier of two-wire system

Info

Publication number
JPS56128037A
JPS56128037A JP3143880A JP3143880A JPS56128037A JP S56128037 A JPS56128037 A JP S56128037A JP 3143880 A JP3143880 A JP 3143880A JP 3143880 A JP3143880 A JP 3143880A JP S56128037 A JPS56128037 A JP S56128037A
Authority
JP
Japan
Prior art keywords
loss
gain
circuit
level
wire
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
JP3143880A
Other languages
English (en)
Japanese (ja)
Other versions
JPS6218096B2 (enrdf_load_stackoverflow
Inventor
Yoshiji Furuya
Hitoshi Fuda
Masaru Aoyanagi
Haruo Ogura
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
Nippon Telegraph and Telephone Corp
Original Assignee
NEC Corp
Nippon Telegraph and Telephone 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 Telegraph and Telephone Corp, Nippon Electric Co Ltd filed Critical NEC Corp
Priority to JP3143880A priority Critical patent/JPS56128037A/ja
Publication of JPS56128037A publication Critical patent/JPS56128037A/ja
Publication of JPS6218096B2 publication Critical patent/JPS6218096B2/ja
Granted legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B3/00—Line transmission systems
    • H04B3/02—Details
    • H04B3/36—Repeater circuits

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
  • Interface Circuits In Exchanges (AREA)
JP3143880A 1980-03-11 1980-03-11 Two-way amplifier of two-wire system Granted JPS56128037A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP3143880A JPS56128037A (en) 1980-03-11 1980-03-11 Two-way amplifier of two-wire system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP3143880A JPS56128037A (en) 1980-03-11 1980-03-11 Two-way amplifier of two-wire system

Publications (2)

Publication Number Publication Date
JPS56128037A true JPS56128037A (en) 1981-10-07
JPS6218096B2 JPS6218096B2 (enrdf_load_stackoverflow) 1987-04-21

Family

ID=12331237

Family Applications (1)

Application Number Title Priority Date Filing Date
JP3143880A Granted JPS56128037A (en) 1980-03-11 1980-03-11 Two-way amplifier of two-wire system

Country Status (1)

Country Link
JP (1) JPS56128037A (enrdf_load_stackoverflow)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS57129542A (en) * 1981-02-04 1982-08-11 Nippon Telegr & Teleph Corp <Ntt> Two-way repeater
JP2003198433A (ja) * 2001-12-26 2003-07-11 Iwatsu Electric Co Ltd エコー消去回路

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS57129542A (en) * 1981-02-04 1982-08-11 Nippon Telegr & Teleph Corp <Ntt> Two-way repeater
JP2003198433A (ja) * 2001-12-26 2003-07-11 Iwatsu Electric Co Ltd エコー消去回路

Also Published As

Publication number Publication date
JPS6218096B2 (enrdf_load_stackoverflow) 1987-04-21

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