FR2373191A1 - Amplificateur impulsionnel - Google Patents

Amplificateur impulsionnel

Info

Publication number
FR2373191A1
FR2373191A1 FR7736166A FR7736166A FR2373191A1 FR 2373191 A1 FR2373191 A1 FR 2373191A1 FR 7736166 A FR7736166 A FR 7736166A FR 7736166 A FR7736166 A FR 7736166A FR 2373191 A1 FR2373191 A1 FR 2373191A1
Authority
FR
France
Prior art keywords
amplifier
detection means
impulse amplifier
voltage level
impulse
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.)
Granted
Application number
FR7736166A
Other languages
English (en)
Other versions
FR2373191B1 (fr
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.)
Sony Corp
Original Assignee
Sony Corp
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 Sony Corp filed Critical Sony Corp
Publication of FR2373191A1 publication Critical patent/FR2373191A1/fr
Application granted granted Critical
Publication of FR2373191B1 publication Critical patent/FR2373191B1/fr
Granted legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F3/00—Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements
    • H03F3/20—Power amplifiers, e.g. Class B amplifiers, Class C amplifiers
    • H03F3/21—Power amplifiers, e.g. Class B amplifiers, Class C amplifiers with semiconductor devices only
    • H03F3/217—Class D power amplifiers; Switching amplifiers
    • 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
    • H03F1/523—Circuit arrangements for protecting such amplifiers for amplifiers using field-effect devices

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Amplifiers (AREA)

Abstract

a. Amplificateur impulsionnel. b. Amplificateur caractérisé en ce qu'il comprend un moyen de détection pour détecter le niveau de tension de l'alimentation de tension continue, et un circuit de protection mis en oeuvre par le moyen de détection pour éviter l'application du signal de sortie, démodulé à la borne de sortie de signaux lorsque le niveau de tension de l'alimentation de tension continue, dépasse une valeur prédéterminéé.
FR7736166A 1976-12-02 1977-11-30 Amplificateur impulsionnel Granted FR2373191A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP51145112A JPS6036651B2 (ja) 1976-12-02 1976-12-02 被パルス幅変調信号増巾装置の保護装置

Publications (2)

Publication Number Publication Date
FR2373191A1 true FR2373191A1 (fr) 1978-06-30
FR2373191B1 FR2373191B1 (fr) 1983-11-10

Family

ID=15377653

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7736166A Granted FR2373191A1 (fr) 1976-12-02 1977-11-30 Amplificateur impulsionnel

Country Status (8)

Country Link
US (1) US4167710A (fr)
JP (1) JPS6036651B2 (fr)
AU (1) AU520855B2 (fr)
CA (1) CA1111518A (fr)
DE (1) DE2753888A1 (fr)
FR (1) FR2373191A1 (fr)
GB (1) GB1572549A (fr)
NL (1) NL189484C (fr)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4276442A (en) * 1978-04-21 1981-06-30 Hitachi, Ltd. Protective circuit
JPS61252567A (ja) * 1985-05-02 1986-11-10 Canon Inc 転写装置
US4723292A (en) * 1986-08-27 1988-02-02 Reen Corporation Voice evacuation system
US6021499A (en) * 1998-03-31 2000-02-01 Sony Corporation Of Japan Isolated ground reference DC power supply
JP5874456B2 (ja) * 2012-03-12 2016-03-02 富士通株式会社 増幅器および増幅方法

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3835412A (en) * 1972-11-06 1974-09-10 Victor Company Of Japan Transistor amplifier protective circuit
US3976955A (en) * 1974-03-30 1976-08-24 Sony Corporation Protective circuit for pulse width modulated signal amplifier
FR2308175A1 (fr) * 1975-04-17 1976-11-12 Sony Corp Amplificateur notamment du type push-pull a une extremite

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS496192B1 (fr) * 1969-04-24 1974-02-13
JPS4938481Y1 (fr) * 1970-12-16 1974-10-22
DE2436314C3 (de) * 1974-07-27 1978-10-26 Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt Elektronische Sicherung zum Schutz der im B-Betrieb arbeitenden Endstufentransistoren eines Verstärkers
JPS5510111Y2 (fr) * 1974-12-20 1980-03-05
US4006428A (en) * 1976-01-08 1977-02-01 John Fluke Mfg. Co., Inc. Amplifier circuit having integral means for detecting and preventing non-linear operation

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3835412A (en) * 1972-11-06 1974-09-10 Victor Company Of Japan Transistor amplifier protective circuit
US3976955A (en) * 1974-03-30 1976-08-24 Sony Corporation Protective circuit for pulse width modulated signal amplifier
FR2308175A1 (fr) * 1975-04-17 1976-11-12 Sony Corp Amplificateur notamment du type push-pull a une extremite

Also Published As

Publication number Publication date
DE2753888A1 (de) 1978-06-08
JPS6036651B2 (ja) 1985-08-21
GB1572549A (en) 1980-07-30
NL7713359A (nl) 1978-06-06
AU3107077A (en) 1979-06-07
JPS5368962A (en) 1978-06-19
CA1111518A (fr) 1981-10-27
NL189484C (nl) 1993-04-16
NL189484B (nl) 1992-11-16
US4167710A (en) 1979-09-11
FR2373191B1 (fr) 1983-11-10
DE2753888C2 (fr) 1988-08-04
AU520855B2 (en) 1982-03-04

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Legal Events

Date Code Title Description
ST Notification of lapse