DE3168931D1 - A line driver circuit including a protective circuit against excess current - Google Patents

A line driver circuit including a protective circuit against excess current

Info

Publication number
DE3168931D1
DE3168931D1 DE8181304750T DE3168931T DE3168931D1 DE 3168931 D1 DE3168931 D1 DE 3168931D1 DE 8181304750 T DE8181304750 T DE 8181304750T DE 3168931 T DE3168931 T DE 3168931T DE 3168931 D1 DE3168931 D1 DE 3168931D1
Authority
DE
Germany
Prior art keywords
line driver
excess current
against excess
driver circuit
circuit including
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
Application number
DE8181304750T
Other languages
English (en)
Inventor
Hideji Sumi
Masayuki Kokado
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
Application granted granted Critical
Publication of DE3168931D1 publication Critical patent/DE3168931D1/de
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L25/00—Baseband systems
    • H04L25/02—Details ; arrangements for supplying electrical power along data transmission lines
    • H04L25/0264—Arrangements for coupling to transmission lines
    • H04L25/028—Arrangements specific to the transmitter end
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F1/00—Details of amplifiers with only discharge tubes, only semiconductor devices or only unspecified devices as amplifying elements
    • H03F1/52—Circuit arrangements for protecting such amplifiers

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Amplifiers (AREA)
  • Electronic Switches (AREA)
  • Logic Circuits (AREA)
  • Dc Digital Transmission (AREA)
DE8181304750T 1980-10-13 1981-10-12 A line driver circuit including a protective circuit against excess current Expired DE3168931D1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP55142603A JPS5765909A (en) 1980-10-13 1980-10-13 Line driver circuit having overcurrent protecting function

Publications (1)

Publication Number Publication Date
DE3168931D1 true DE3168931D1 (en) 1985-03-28

Family

ID=15319148

Family Applications (1)

Application Number Title Priority Date Filing Date
DE8181304750T Expired DE3168931D1 (en) 1980-10-13 1981-10-12 A line driver circuit including a protective circuit against excess current

Country Status (5)

Country Link
US (1) US4413300A (de)
EP (1) EP0050033B1 (de)
JP (1) JPS5765909A (de)
DE (1) DE3168931D1 (de)
IE (1) IE52352B1 (de)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4581673A (en) * 1984-02-02 1986-04-08 Motorola, Inc. Apparatus and method for protection and recovery from latch-up of integrated circuits
US4779062A (en) * 1987-03-24 1988-10-18 Cherry Semiconductor Corporation Short circuit current limiter
FI93065C (fi) * 1992-11-30 1995-02-10 Nokia Telecommunications Oy Menetelmä ja sovitelma kytkinelimen ylikuormitustilanteen ilmaisemiseksi
JP2783108B2 (ja) * 1993-03-02 1998-08-06 日本電気株式会社 半導体集積回路
EP0822688A1 (de) * 1996-07-04 1998-02-04 Siemens Aktiengesellschaft Busankoppler mit amplitudengesteuerter Sendeschaltung
US6522515B1 (en) * 1999-01-08 2003-02-18 Littelfuse, Inc. Data and power connector port
JP3904817B2 (ja) * 2000-08-31 2007-04-11 株式会社ルネサステクノロジ 電力増幅器モジュール
US7035072B2 (en) * 2001-07-10 2006-04-25 Littlefuse, Inc. Electrostatic discharge apparatus for network devices
US7034652B2 (en) * 2001-07-10 2006-04-25 Littlefuse, Inc. Electrostatic discharge multifunction resistor
US9454500B2 (en) * 2013-06-17 2016-09-27 Nxp B.V. Network communication control apparatus, system and method
CN106160423B9 (zh) * 2015-04-07 2019-08-06 意法半导体(中国)投资有限公司 用于低发射开关调节器的驱动器

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1110231B (de) * 1958-07-05 1961-07-06 Int Standard Electric Corp Anordnung zum UEberlastungsschutz eines als Verstaerker oder Schalter arbeitenden Leistungstransistors
DE1613894C3 (de) * 1967-02-28 1974-10-24 Telefunken Patentverwertungsgesellschaft Mbh, 7900 Ulm Überlastungsschutzschaltungsanordnung für einen eine Last speisenden Schalttransistor
DE1809570A1 (de) * 1967-11-21 1969-06-26 Sony Corp Transistorschutzschaltung
US3553598A (en) * 1968-07-03 1971-01-05 Sylvania Electric Prod Transistorized driver circuit
US3599042A (en) * 1969-10-31 1971-08-10 Honeywell Inc Overload protection device for emitter-follower line driver
US3796943A (en) * 1973-01-02 1974-03-12 Nat Semiconductor Corp Current limiting circuit
US3979643A (en) * 1975-02-03 1976-09-07 International Business Machines Corporation Logic driver circuit with output protection
US4023111A (en) * 1976-06-03 1977-05-10 National Semiconductor Corporation Current limiting driver circuit
US4084070A (en) * 1977-01-21 1978-04-11 Rca Corporation Overcurrent protection circuit
JPS6038047B2 (ja) * 1977-12-09 1985-08-29 日本電気株式会社 トランジスタ回路
DE2854313C2 (de) * 1978-12-15 1980-08-14 Siemens Ag, 1000 Berlin Und 8000 Muenchen Überlastungsschutzanordnung für Schalttransistoren
US4291357A (en) * 1979-12-27 1981-09-22 International Business Machines Corp. Short circuit protection circuit

Also Published As

Publication number Publication date
IE812385L (en) 1982-04-13
JPS5765909A (en) 1982-04-21
US4413300A (en) 1983-11-01
EP0050033A2 (de) 1982-04-21
EP0050033B1 (de) 1985-02-13
IE52352B1 (en) 1987-09-30
EP0050033A3 (en) 1982-04-28

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Legal Events

Date Code Title Description
8339 Ceased/non-payment of the annual fee