JPS59160394A - 不平衡・平衡変換回路 - Google Patents

不平衡・平衡変換回路

Info

Publication number
JPS59160394A
JPS59160394A JP58033746A JP3374683A JPS59160394A JP S59160394 A JPS59160394 A JP S59160394A JP 58033746 A JP58033746 A JP 58033746A JP 3374683 A JP3374683 A JP 3374683A JP S59160394 A JPS59160394 A JP S59160394A
Authority
JP
Japan
Prior art keywords
current
circuit
terminal
current mirror
mirror circuit
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
JP58033746A
Other languages
English (en)
Japanese (ja)
Other versions
JPH0153836B2 (fr
Inventor
Tadao Imai
今井 忠男
Hiroyasu Uehara
上原 啓靖
Toshio Hayashi
林 敏夫
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.)
Nippon Telegraph and Telephone Corp
Oki Electric Industry Co Ltd
Original Assignee
Nippon Telegraph and Telephone Corp
Oki Electric Industry 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 Nippon Telegraph and Telephone Corp, Oki Electric Industry Co Ltd filed Critical Nippon Telegraph and Telephone Corp
Priority to JP58033746A priority Critical patent/JPS59160394A/ja
Publication of JPS59160394A publication Critical patent/JPS59160394A/ja
Publication of JPH0153836B2 publication Critical patent/JPH0153836B2/ja
Granted legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04MTELEPHONIC COMMUNICATION
    • H04M19/00Current supply arrangements for telephone systems
    • H04M19/001Current supply source at the exchanger providing current to substations
    • H04M19/005Feeding arrangements without the use of line transformers

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Signal Processing (AREA)
  • Amplifiers (AREA)
  • Devices For Supply Of Signal Current (AREA)
  • Interface Circuits In Exchanges (AREA)
JP58033746A 1983-03-03 1983-03-03 不平衡・平衡変換回路 Granted JPS59160394A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP58033746A JPS59160394A (ja) 1983-03-03 1983-03-03 不平衡・平衡変換回路

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP58033746A JPS59160394A (ja) 1983-03-03 1983-03-03 不平衡・平衡変換回路

Publications (2)

Publication Number Publication Date
JPS59160394A true JPS59160394A (ja) 1984-09-11
JPH0153836B2 JPH0153836B2 (fr) 1989-11-15

Family

ID=12394975

Family Applications (1)

Application Number Title Priority Date Filing Date
JP58033746A Granted JPS59160394A (ja) 1983-03-03 1983-03-03 不平衡・平衡変換回路

Country Status (1)

Country Link
JP (1) JPS59160394A (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0295680A2 (fr) * 1987-06-17 1988-12-21 Fujitsu Limited Circuit d'alimentation

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0295680A2 (fr) * 1987-06-17 1988-12-21 Fujitsu Limited Circuit d'alimentation

Also Published As

Publication number Publication date
JPH0153836B2 (fr) 1989-11-15

Similar Documents

Publication Publication Date Title
GB1576898A (en) Telephone speech network
JPS58501530A (ja) 加入者ル−プインタフエ−ス回路用平衡電流倍率器回路
JP2716701B2 (ja) ハイブリッド回路
US4314106A (en) Line circuit
JPS59160394A (ja) 不平衡・平衡変換回路
US3440367A (en) Nonreactive antisidetone network for a telephone set
US4133986A (en) Subscriber's line equipment for a telephone exchange
JPS5827411A (ja) 差動増幅器回路
TW201373B (fr)
GB2025737A (en) Arrangement for applying a signal to atransmission line
JP2725290B2 (ja) 電力増幅回路
JPH0683311B2 (ja) 電話機回路
JPH0638624B2 (ja) 給電回路用バイアス回路
EP0251747A1 (fr) Circuit de récupération d'alimentation et d'attaque de ligne
JPS61108252A (ja) 通話電流供給回路
JPS5597763A (en) Ternary pulse generating circuit
JPS5599874A (en) Communication current supply circuit
GB2050115A (en) Telephone line circuit; current supply arrangements
JPS6238330Y2 (fr)
JPS5944167A (ja) 加入者回路給電方式
KR850005046A (ko) 임피던스 정합회로
JPS6239869B2 (fr)
JPS5862910A (ja) 増幅回路
JPS60183890A (ja) 加入者回路
JPS583368A (ja) 通話電流供給回路