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FR2419610A1 - Dispositif amplificateur de puissance - Google Patents

Dispositif amplificateur de puissance

Info

Publication number
FR2419610A1
FR2419610A1 FR7806955A FR7806955A FR2419610A1 FR 2419610 A1 FR2419610 A1 FR 2419610A1 FR 7806955 A FR7806955 A FR 7806955A FR 7806955 A FR7806955 A FR 7806955A FR 2419610 A1 FR2419610 A1 FR 2419610A1
Authority
FR
France
Prior art keywords
transistor
gates
logic
chopper circuits
low distortion
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
FR7806955A
Other languages
English (en)
Other versions
FR2419610B1 (fr
Inventor
Roger Lannuzel
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.)
Nokia Inc
Original Assignee
Nokia 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.)
Filing date
Publication date
Application filed by Nokia Inc filed Critical Nokia Inc
Priority to FR7806955A priority Critical patent/FR2419610A1/fr
Publication of FR2419610A1 publication Critical patent/FR2419610A1/fr
Application granted granted Critical
Publication of FR2419610B1 publication Critical patent/FR2419610B1/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
    • H03F3/2178—Class D power amplifiers; Switching amplifiers using more than one switch or switching amplifier in parallel or in series

Landscapes

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

Abstract

L'invention concerne un dispositif amplificateur de puissance. Le dispositif comporte notamment plusieurs circuits hacheurs 1, 2, 3 à transistors 4, 5, 6, 7, identiques entre eux et capables d'être branchés en parallèle. Application à la commande de transducteurs électroacoustiques.
FR7806955A 1978-03-10 1978-03-10 Dispositif amplificateur de puissance Granted FR2419610A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR7806955A FR2419610A1 (fr) 1978-03-10 1978-03-10 Dispositif amplificateur de puissance

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7806955A FR2419610A1 (fr) 1978-03-10 1978-03-10 Dispositif amplificateur de puissance

Publications (2)

Publication Number Publication Date
FR2419610A1 true FR2419610A1 (fr) 1979-10-05
FR2419610B1 FR2419610B1 (fr) 1980-08-22

Family

ID=9205623

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7806955A Granted FR2419610A1 (fr) 1978-03-10 1978-03-10 Dispositif amplificateur de puissance

Country Status (1)

Country Link
FR (1) FR2419610A1 (fr)

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2473230A1 (fr) * 1980-01-04 1981-07-10 Thomson Csf Generateur de signaux electriques a puissance elevee
EP0329967A1 (fr) * 1988-02-24 1989-08-30 AEG Olympia Aktiengesellschaft Amplificateur à commutation numérique
EP0410295A3 (en) * 1989-07-28 1991-10-23 Motorola, Inc. Single-ended chopper stabilized operational amplifier
EP0541933A1 (fr) * 1991-10-15 1993-05-19 Harris Corporation Correction de distortion pour un système amplificateur
WO1995010881A1 (fr) * 1993-10-11 1995-04-20 Thomcast Ag Amplificateur a decoupage
WO2001076061A1 (fr) * 2000-03-31 2001-10-11 Ling Dynamic Systems Limited Amplificateur d'energie a mode de commutation haute frequence
US6882219B2 (en) 2000-03-31 2005-04-19 Ling Dynamic Systems High frequency switch-mode power amplifier

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1586550A (fr) * 1968-10-25 1970-02-20
FR2071620A5 (fr) * 1969-11-14 1971-09-17 Ltv Ling Altec Inc

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1586550A (fr) * 1968-10-25 1970-02-20
FR2071620A5 (fr) * 1969-11-14 1971-09-17 Ltv Ling Altec Inc

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2473230A1 (fr) * 1980-01-04 1981-07-10 Thomson Csf Generateur de signaux electriques a puissance elevee
EP0329967A1 (fr) * 1988-02-24 1989-08-30 AEG Olympia Aktiengesellschaft Amplificateur à commutation numérique
EP0410295A3 (en) * 1989-07-28 1991-10-23 Motorola, Inc. Single-ended chopper stabilized operational amplifier
EP0541933A1 (fr) * 1991-10-15 1993-05-19 Harris Corporation Correction de distortion pour un système amplificateur
WO1995010881A1 (fr) * 1993-10-11 1995-04-20 Thomcast Ag Amplificateur a decoupage
WO2001076061A1 (fr) * 2000-03-31 2001-10-11 Ling Dynamic Systems Limited Amplificateur d'energie a mode de commutation haute frequence
US6882219B2 (en) 2000-03-31 2005-04-19 Ling Dynamic Systems High frequency switch-mode power amplifier

Also Published As

Publication number Publication date
FR2419610B1 (fr) 1980-08-22

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Legal Events

Date Code Title Description
TP Transmission of property
ST Notification of lapse