JPH0361394B2 - - Google Patents

Info

Publication number
JPH0361394B2
JPH0361394B2 JP18096085A JP18096085A JPH0361394B2 JP H0361394 B2 JPH0361394 B2 JP H0361394B2 JP 18096085 A JP18096085 A JP 18096085A JP 18096085 A JP18096085 A JP 18096085A JP H0361394 B2 JPH0361394 B2 JP H0361394B2
Authority
JP
Japan
Prior art keywords
circuit
current
mirror
line
power supply
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 - Lifetime
Application number
JP18096085A
Other languages
English (en)
Japanese (ja)
Other versions
JPS6242662A (ja
Inventor
Kenji Takato
Toshiro Tojo
Yozo Iketani
Mitsutoshi Ayano
Kyoshi Shibuya
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.)
Fujitsu Ltd
Original Assignee
Fujitsu 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 Fujitsu Ltd filed Critical Fujitsu Ltd
Priority to JP60180960A priority Critical patent/JPS6242662A/ja
Priority to US06/897,914 priority patent/US4827505A/en
Priority to CA000516222A priority patent/CA1260170A/en
Priority to AU61585/86A priority patent/AU574277B2/en
Priority to DE8686111530T priority patent/DE3687153T2/de
Priority to KR8606880A priority patent/KR900001135B1/ko
Priority to EP86111530A priority patent/EP0212632B1/en
Priority to CN86105137A priority patent/CN1003032B/zh
Publication of JPS6242662A publication Critical patent/JPS6242662A/ja
Publication of JPH0361394B2 publication Critical patent/JPH0361394B2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Devices For Supply Of Signal Current (AREA)
JP60180960A 1985-08-20 1985-08-20 給電回路 Granted JPS6242662A (ja)

Priority Applications (8)

Application Number Priority Date Filing Date Title
JP60180960A JPS6242662A (ja) 1985-08-20 1985-08-20 給電回路
US06/897,914 US4827505A (en) 1985-08-20 1986-08-19 Subscriber line interface circuit
CA000516222A CA1260170A (en) 1985-08-20 1986-08-19 Subscriber line interface circuit
AU61585/86A AU574277B2 (en) 1985-08-20 1986-08-19 Subscriber line interface circuit
DE8686111530T DE3687153T2 (de) 1985-08-20 1986-08-20 Teilnehmerschnittstellenschaltung.
KR8606880A KR900001135B1 (en) 1985-08-20 1986-08-20 Subscriber line interface circuit
EP86111530A EP0212632B1 (en) 1985-08-20 1986-08-20 Subscriber line interface circuit
CN86105137A CN1003032B (zh) 1985-08-20 1986-08-20 用户线接口电路

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP60180960A JPS6242662A (ja) 1985-08-20 1985-08-20 給電回路

Publications (2)

Publication Number Publication Date
JPS6242662A JPS6242662A (ja) 1987-02-24
JPH0361394B2 true JPH0361394B2 (enrdf_load_stackoverflow) 1991-09-19

Family

ID=16092288

Family Applications (1)

Application Number Title Priority Date Filing Date
JP60180960A Granted JPS6242662A (ja) 1985-08-20 1985-08-20 給電回路

Country Status (1)

Country Link
JP (1) JPS6242662A (enrdf_load_stackoverflow)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS63314060A (ja) * 1987-06-17 1988-12-22 Fujitsu Ltd 給電回路

Also Published As

Publication number Publication date
JPS6242662A (ja) 1987-02-24

Similar Documents

Publication Publication Date Title
US4866767A (en) Subscriber line interface circuit
US4431874A (en) Balanced current multiplier circuit for a subscriber loop interface circuit
CA1055576A (en) Operational amplifier
JPH06303167A (ja) ハイブリッド回路
US4796295A (en) Telephone circuits
JPH06224689A (ja) 低周波及び超低周波応用装置のためのｒｃフィルタ
KR100526642B1 (ko) 저항기네트워크에의해공통모드전압거절을가진싱글엔드형신호로차동신호를변환하기위한전자회로
JPH0361394B2 (enrdf_load_stackoverflow)
EP0093036A2 (en) Telephone circuitry
US4723280A (en) Constant current line circuit
US3440367A (en) Nonreactive antisidetone network for a telephone set
JP2561025B2 (ja) アンバランス−バランス変換回路
JP3875726B2 (ja) フィルタ及び発振器用の相補トランスコンダクタを具えている電子回路
US4649235A (en) Telephone circuit with a class-B amplifier output stage
GB2193063A (en) Line circuits
JPS60203051A (ja) 電話機用音声伝送回路
JPS631240A (ja) 電話器
US6661280B2 (en) Electronic filter circuit with feed back loop
CA1313432C (en) Speaker drive arrangement for loudspeaker telephone
JPS6115648Y2 (enrdf_load_stackoverflow)
JPS6126740B2 (enrdf_load_stackoverflow)
JPH0361393B2 (enrdf_load_stackoverflow)
KR930006662B1 (ko) D.c차단용 캐패시터 대용 집적회로
JPH0247907B2 (ja) Bosokuonkairo
JPH06224692A (ja) インピーダンスを得るための方法及び回路、並びにインピーダンス回路