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FR2563026B1 - Dispositif de controle pour des amplificateurs d'attaque integres - Google Patents

Dispositif de controle pour des amplificateurs d'attaque integres

Info

Publication number
FR2563026B1
FR2563026B1 FR8405881A FR8405881A FR2563026B1 FR 2563026 B1 FR2563026 B1 FR 2563026B1 FR 8405881 A FR8405881 A FR 8405881A FR 8405881 A FR8405881 A FR 8405881A FR 2563026 B1 FR2563026 B1 FR 2563026B1
Authority
FR
France
Prior art keywords
amplifiers
monitoring device
integrated attack
attack
integrated
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
FR8405881A
Other languages
English (en)
Other versions
FR2563026A1 (fr
Inventor
Kurt Allan Ingvar Nilsson
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.)
Telefonaktiebolaget LM Ericsson AB
Original Assignee
Telefonaktiebolaget LM Ericsson AB
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 Telefonaktiebolaget LM Ericsson AB filed Critical Telefonaktiebolaget LM Ericsson AB
Publication of FR2563026A1 publication Critical patent/FR2563026A1/fr
Application granted granted Critical
Publication of FR2563026B1 publication Critical patent/FR2563026B1/fr
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03K—PULSE TECHNIQUE
    • H03K19/00—Logic circuits, i.e. having at least two inputs acting on one output; Inverting circuits
    • H03K19/003—Modifications for increasing the reliability for protection
    • 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
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F3/00—Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements
    • H03F3/34—DC amplifiers in which all stages are DC-coupled
    • H03F3/343—DC amplifiers in which all stages are DC-coupled with semiconductor devices only
    • H03F3/347—DC amplifiers in which all stages are DC-coupled with semiconductor devices only in integrated circuits
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03K—PULSE TECHNIQUE
    • H03K17/00—Electronic switching or gating, i.e. not by contact-making and –breaking
    • H03K17/08—Modifications for protecting switching circuit against overcurrent or overvoltage
    • H03K17/082—Modifications for protecting switching circuit against overcurrent or overvoltage by feedback from the output to the control circuit
    • H03K17/0826—Modifications for protecting switching circuit against overcurrent or overvoltage by feedback from the output to the control circuit in bipolar transistor switches
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03K—PULSE TECHNIQUE
    • H03K17/00—Electronic switching or gating, i.e. not by contact-making and –breaking
    • H03K17/08—Modifications for protecting switching circuit against overcurrent or overvoltage
    • H03K2017/0806—Modifications for protecting switching circuit against overcurrent or overvoltage against excessive temperature

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Computer Hardware Design (AREA)
  • Computing Systems (AREA)
  • General Engineering & Computer Science (AREA)
  • Mathematical Physics (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Amplifiers (AREA)
  • Emergency Protection Circuit Devices (AREA)
FR8405881A 1982-11-09 1984-04-13 Dispositif de controle pour des amplificateurs d'attaque integres Expired FR2563026B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE8206362A SE451782B (sv) 1982-11-09 1982-11-09 Overvakningsanordning vid integrerade drivforsterkare

Publications (2)

Publication Number Publication Date
FR2563026A1 FR2563026A1 (fr) 1985-10-18
FR2563026B1 true FR2563026B1 (fr) 1986-07-25

Family

ID=20348513

Family Applications (1)

Application Number Title Priority Date Filing Date
FR8405881A Expired FR2563026B1 (fr) 1982-11-09 1984-04-13 Dispositif de controle pour des amplificateurs d'attaque integres

Country Status (5)

Country Link
US (1) US4547740A (fr)
DE (1) DE3411900A1 (fr)
FR (1) FR2563026B1 (fr)
GB (1) GB2157104B (fr)
SE (1) SE451782B (fr)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3536447C2 (de) * 1985-10-12 1993-10-21 Licentia Gmbh Kurzschluß- und überlastfeste Transistorausgangsstufe
IT1224451B (it) * 1988-09-28 1990-10-04 Borletti Climatizzazione Regolatore di velocita per il motore di un elettroventilatore e sistema di controllo per un impianto di climatizzazione dell'abitacolo di un autoveicolo comprendente tale regolatore
JPH02117211A (ja) * 1988-10-27 1990-05-01 Fujitsu Ltd 半導体装置
DE3928651A1 (de) * 1989-08-30 1991-03-07 Wabco Westinghouse Fahrzeug Elektronische schaltung zur ueberwachung eines endverstaerkers und seiner last
IT1238518B (it) * 1989-11-07 1993-08-18 Marelli Autronica Circuito di interfaccia fra un microprocessore ed una pluralita' di stadi di potenza, in particolare per il pilotaggio di elettroiniettori
EP0661802B1 (fr) * 1993-12-31 1998-09-09 STMicroelectronics S.r.l. Circuit protecteur à amplification opérationnel utilisant, soit en régime normal, soit lors de la mise en marche, des mêmes éléments du circuit pour détecter des conditions de sortie anormales permanentes
DE4421369C1 (de) * 1994-06-18 1996-01-11 Ant Nachrichtentech Steuerschaltung für einen Leistungsverstärker
US5652542A (en) * 1994-11-09 1997-07-29 Crest Audio, Inc. Digital signal processor for amplifier
US5719526A (en) * 1994-11-09 1998-02-17 Crest Audio, Inc. Internal load monitor for amplifier
US5652544A (en) * 1994-11-09 1997-07-29 Crest Audio Inc. Apparatus and method for programming an amplifier
GB2316819A (en) * 1996-08-30 1998-03-04 Motorola Ltd Over temperature protection for a power amplifier
US6046642A (en) * 1998-09-08 2000-04-04 Motorola, Inc. Amplifier with active bias compensation and method for adjusting quiescent current
EP1111775B1 (fr) * 1999-12-20 2006-06-14 Ecler Laboratorio de Electro Acustica S.A. Etage de puissance
WO2001099274A2 (fr) * 2000-06-16 2001-12-27 Niles Audio Corporation Unite de commande d'energie et de temperature d'un amplificateur audio a circuit de detection de reseau et methodes correspondantes

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4047233A (en) * 1976-04-14 1977-09-06 Essex Group, Inc. Short circuit protection circuit
US4288831A (en) * 1978-02-27 1981-09-08 Motorola, Inc. Shutdown circuit for a switching power supply
US4255748A (en) * 1979-02-12 1981-03-10 Automation Systems, Inc. Bus fault detector

Also Published As

Publication number Publication date
FR2563026A1 (fr) 1985-10-18
SE451782B (sv) 1987-10-26
DE3411900A1 (de) 1985-10-10
GB2157104A (en) 1985-10-16
SE8206362L (sv) 1984-05-10
SE8206362D0 (sv) 1982-11-09
GB8408238D0 (en) 1984-05-10
US4547740A (en) 1985-10-15
GB2157104B (en) 1987-07-08

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Legal Events

Date Code Title Description
ST Notification of lapse