FR2741212B1 - Dispositif de limitation du courant de sortie d'un amplificateur operationnel - Google Patents

Dispositif de limitation du courant de sortie d'un amplificateur operationnel

Info

Publication number
FR2741212B1
FR2741212B1 FR9513687A FR9513687A FR2741212B1 FR 2741212 B1 FR2741212 B1 FR 2741212B1 FR 9513687 A FR9513687 A FR 9513687A FR 9513687 A FR9513687 A FR 9513687A FR 2741212 B1 FR2741212 B1 FR 2741212B1
Authority
FR
France
Prior art keywords
limiting
operational amplifier
output current
amplifier
operational
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 - Fee Related
Application number
FR9513687A
Other languages
English (en)
Other versions
FR2741212A1 (fr
Inventor
Philippe Maige
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.)
STMicroelectronics SA
Original Assignee
SGS Thomson Microelectronics SA
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 SGS Thomson Microelectronics SA filed Critical SGS Thomson Microelectronics SA
Priority to FR9513687A priority Critical patent/FR2741212B1/fr
Priority to US08/744,233 priority patent/US5877655A/en
Publication of FR2741212A1 publication Critical patent/FR2741212A1/fr
Application granted granted Critical
Publication of FR2741212B1 publication Critical patent/FR2741212B1/fr
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • 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)
  • Amplifiers (AREA)
FR9513687A 1995-11-14 1995-11-14 Dispositif de limitation du courant de sortie d'un amplificateur operationnel Expired - Fee Related FR2741212B1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
FR9513687A FR2741212B1 (fr) 1995-11-14 1995-11-14 Dispositif de limitation du courant de sortie d'un amplificateur operationnel
US08/744,233 US5877655A (en) 1995-11-14 1996-11-05 Device for limiting the output current of an operational amplifier

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR9513687A FR2741212B1 (fr) 1995-11-14 1995-11-14 Dispositif de limitation du courant de sortie d'un amplificateur operationnel

Publications (2)

Publication Number Publication Date
FR2741212A1 FR2741212A1 (fr) 1997-05-16
FR2741212B1 true FR2741212B1 (fr) 1998-01-30

Family

ID=9484697

Family Applications (1)

Application Number Title Priority Date Filing Date
FR9513687A Expired - Fee Related FR2741212B1 (fr) 1995-11-14 1995-11-14 Dispositif de limitation du courant de sortie d'un amplificateur operationnel

Country Status (2)

Country Link
US (1) US5877655A (fr)
FR (1) FR2741212B1 (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7164320B2 (en) * 2004-12-10 2007-01-16 Sigmatel, Inc. Current threshold circuit
JP5322758B2 (ja) * 2009-04-27 2013-10-23 ルネサスエレクトロニクス株式会社 出力回路

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3896393A (en) * 1973-12-26 1975-07-22 Motorola Inc Monolithic power amplifier capable of operating class a and class ab
US3996498A (en) * 1975-05-19 1976-12-07 Rca Corporation Current limiting circuit and method
JPS6013324B2 (ja) * 1976-02-25 1985-04-06 株式会社日立製作所 直結型電力増幅回路
JPS5388616A (en) * 1977-01-14 1978-08-04 Toshiba Corp Vapor trap
JPS5518118A (en) * 1978-07-26 1980-02-08 Hitachi Ltd Transistor power amplifier circuit
NL188255C (nl) * 1978-11-24 1992-05-06 Novanex Automation Nv Inrichting voor het tegen overbelasting of kortsluiting beschermen van een audioversterker.
US4471323A (en) * 1981-11-19 1984-09-11 Trilling Ted R Protection circuits for complementary direct-coupled amplifiers
ATE74781T1 (de) * 1986-11-07 1992-05-15 Siemens Ag Endverstaerker fuer reizstromgeraet.
JPH0618294B2 (ja) * 1987-02-27 1994-03-09 株式会社東芝 音声出力増幅器
JP2635277B2 (ja) * 1992-12-01 1997-07-30 三菱電機株式会社 センサユニット制御システム

Also Published As

Publication number Publication date
FR2741212A1 (fr) 1997-05-16
US5877655A (en) 1999-03-02

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Legal Events

Date Code Title Description
ST Notification of lapse

Effective date: 20060731