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
Authority: FR; France
Prior art keywords: limiting; operational amplifier; output current; amplifier; operational
Prior art date: 1995-11-14
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

STMicroelectronics lnc USA

Original Assignee

SGS Thomson Microelectronics SA

SGS Thomson Microelectronics Inc

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.)

1995-11-14

Filing date

1995-11-14

Publication date

1998-01-30

1995-11-14 Application filed by SGS Thomson Microelectronics SA, SGS Thomson Microelectronics Inc filed Critical SGS Thomson Microelectronics SA

1995-11-14 Priority to FR9513687A priority Critical patent/FR2741212B1/fr

1996-11-05 Priority to US08/744,233 priority patent/US5877655A/en

1997-05-16 Publication of FR2741212A1 publication Critical patent/FR2741212A1/fr

1998-01-30 Application granted granted Critical

1998-01-30 Publication of FR2741212B1 publication Critical patent/FR2741212B1/fr

2015-11-14 Anticipated expiration legal-status Critical

Status Expired - Fee Related legal-status Critical Current

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
EP0269845B1 (fr) *	1986-11-07	1992-04-15	Siemens Aktiengesellschaft	Amplificateur final pour stimulateur
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

1995
- 1995-11-14 FR FR9513687A patent/FR2741212B1/fr not_active Expired - Fee Related
1996
- 1996-11-05 US US08/744,233 patent/US5877655A/en not_active Expired - Lifetime

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
2006-11-03	ST	Notification of lapse	Effective date: 20060731