JPS5915357A - 電流供給回路 - Google Patents

電流供給回路

Info

Publication number
JPS5915357A
JPS5915357A JP57124366A JP12436682A JPS5915357A JP S5915357 A JPS5915357 A JP S5915357A JP 57124366 A JP57124366 A JP 57124366A JP 12436682 A JP12436682 A JP 12436682A JP S5915357 A JPS5915357 A JP S5915357A
Authority
JP
Japan
Prior art keywords
circuit
wire
current
voltage
terminal
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
JP57124366A
Other languages
English (en)
Japanese (ja)
Other versions
JPH0568142B2 (enrdf_load_stackoverflow
Inventor
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
Original Assignee
Nippon Telegraph and Telephone Corp
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 filed Critical Nippon Telegraph and Telephone Corp
Priority to JP57124366A priority Critical patent/JPS5915357A/ja
Publication of JPS5915357A publication Critical patent/JPS5915357A/ja
Publication of JPH0568142B2 publication Critical patent/JPH0568142B2/ja
Granted 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Signal Processing (AREA)
  • Devices For Supply Of Signal Current (AREA)
JP57124366A 1982-07-19 1982-07-19 電流供給回路 Granted JPS5915357A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP57124366A JPS5915357A (ja) 1982-07-19 1982-07-19 電流供給回路

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP57124366A JPS5915357A (ja) 1982-07-19 1982-07-19 電流供給回路

Publications (2)

Publication Number Publication Date
JPS5915357A true JPS5915357A (ja) 1984-01-26
JPH0568142B2 JPH0568142B2 (enrdf_load_stackoverflow) 1993-09-28

Family

ID=14883617

Family Applications (1)

Application Number Title Priority Date Filing Date
JP57124366A Granted JPS5915357A (ja) 1982-07-19 1982-07-19 電流供給回路

Country Status (1)

Country Link
JP (1) JPS5915357A (enrdf_load_stackoverflow)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS61253969A (ja) * 1985-04-30 1986-11-11 エスジ−エス・マイクロエレツトロニカ・エス・ピ−・エ− 電話用給電回路

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS61253969A (ja) * 1985-04-30 1986-11-11 エスジ−エス・マイクロエレツトロニカ・エス・ピ−・エ− 電話用給電回路

Also Published As

Publication number Publication date
JPH0568142B2 (enrdf_load_stackoverflow) 1993-09-28

Similar Documents

Publication Publication Date Title
US5940498A (en) Electronic voice circuit configuration
US11616436B2 (en) Error amplifier with programmable on-chip and off-chip compensation
US4431874A (en) Balanced current multiplier circuit for a subscriber loop interface circuit
US3251951A (en) Circuit for automatic adjustment of impedance of a telephone loop
EP0828344A2 (en) Integrated circuit and method for generating a transimpedance function
KR900007034B1 (ko) 가변전자 임피던스 회로장치
US4549129A (en) Regulator circuit
JPS596549B2 (ja) 電話機用３端子電源回路
JPH05145627A (ja) リングトリツプ検出回路
JPS5915357A (ja) 電流供給回路
JPH0525201B2 (enrdf_load_stackoverflow)
US4340869A (en) Amplifier for use in a line circuit
US6020728A (en) Control circuit with a single control input for controlling DC and AC currents in a load
US4982307A (en) Thermal protection circuit for an integrated circuit subscriber line interface
US3270142A (en) Variable impedance electrical circuits
US4302636A (en) Subscriber's electronic line equipment comprising a two-wire-four-wire conversion circuit for a telephone exchange
JPS631240A (ja) 電話器
JPH071872Y2 (ja) 半導体集積回路
CA1313432C (en) Speaker drive arrangement for loudspeaker telephone
JPH0787501B2 (ja) 電話用給電回路
US4092609A (en) Circuit for reducing ripple voltage
JPH04362896A (ja) 定電流ループ回路
US6233334B1 (en) Telecommunication circuit and a telecommunication device
JPH04340851A (ja) 通話電流供給装置
JPS6031629A (ja) 電源回路