SE8206362D0 - Overvakningsanordning vid integrerade drivforsterkare - Google Patents

Overvakningsanordning vid integrerade drivforsterkare

Info

Publication number
SE8206362D0
SE8206362D0 SE8206362A SE8206362A SE8206362D0 SE 8206362 D0 SE8206362 D0 SE 8206362D0 SE 8206362 A SE8206362 A SE 8206362A SE 8206362 A SE8206362 A SE 8206362A SE 8206362 D0 SE8206362 D0 SE 8206362D0
Authority
SE
Sweden
Prior art keywords
monitoring device
data input
integrated drive
input
drive amplifiers
Prior art date
Application number
SE8206362A
Other languages
English (en)
Other versions
SE8206362L (sv
SE451782B (sv
Inventor
K A I Nilsson
Original Assignee
Ericsson Telefon Ab L M
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 Ericsson Telefon Ab L M filed Critical Ericsson Telefon Ab L M
Priority to SE8206362A priority Critical patent/SE451782B/sv
Publication of SE8206362D0 publication Critical patent/SE8206362D0/sv
Priority to US06/594,371 priority patent/US4547740A/en
Priority to GB08408238A priority patent/GB2157104B/en
Priority to DE19843411900 priority patent/DE3411900A1/de
Priority to FR8405881A priority patent/FR2563026B1/fr
Publication of SE8206362L publication Critical patent/SE8206362L/sv
Publication of SE451782B publication Critical patent/SE451782B/sv

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)
  • Microelectronics & Electronic Packaging (AREA)
  • Physics & Mathematics (AREA)
  • Computer Hardware Design (AREA)
  • Computing Systems (AREA)
  • General Engineering & Computer Science (AREA)
  • Mathematical Physics (AREA)
  • Amplifiers (AREA)
  • Emergency Protection Circuit Devices (AREA)
SE8206362A 1982-11-09 1982-11-09 Overvakningsanordning vid integrerade drivforsterkare SE451782B (sv)

Priority Applications (5)

Application Number Priority Date Filing Date Title
SE8206362A SE451782B (sv) 1982-11-09 1982-11-09 Overvakningsanordning vid integrerade drivforsterkare
US06/594,371 US4547740A (en) 1982-11-09 1984-03-28 Monitoring device for integrated drive amplifiers
GB08408238A GB2157104B (en) 1982-11-09 1984-03-30 Monitoring device dor drive amplifiers
DE19843411900 DE3411900A1 (de) 1982-11-09 1984-03-30 Ueberwachungsvorrichtung fuer integrierte treiberverstaerker
FR8405881A FR2563026B1 (fr) 1982-11-09 1984-04-13 Dispositif de controle pour des amplificateurs d'attaque integres

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 (3)

Publication Number Publication Date
SE8206362D0 true SE8206362D0 (sv) 1982-11-09
SE8206362L SE8206362L (sv) 1984-05-10
SE451782B SE451782B (sv) 1987-10-26

Family

ID=20348513

Family Applications (1)

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

Country Status (5)

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

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 (en) * 1993-12-31 1998-09-09 STMicroelectronics S.r.l. Operational amplifier protection circuit using, either in working conditions or at start-up, identical circuit elements for detecting permanent output abnormal conditions
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
DE69931935D1 (de) * 1999-12-20 2006-07-27 Ecler Lab De Electro Acustica Leistungsstufe
WO2001099274A2 (en) * 2000-06-16 2001-12-27 Niles Audio Corporation Audio amplifier power and temperature controller having network detecting and associated methods

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
US4547740A (en) 1985-10-15
FR2563026A1 (fr) 1985-10-18
GB2157104B (en) 1987-07-08
FR2563026B1 (fr) 1986-07-25
GB2157104A (en) 1985-10-16
DE3411900A1 (de) 1985-10-10
GB8408238D0 (en) 1984-05-10
SE8206362L (sv) 1984-05-10
SE451782B (sv) 1987-10-26

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