FR2440646A1 - Perfectionnements aux amplificateurs audio-frequence, notamment pour auto-radio - Google Patents

Perfectionnements aux amplificateurs audio-frequence, notamment pour auto-radio

Info

Publication number
FR2440646A1
FR2440646A1 FR7830955A FR7830955A FR2440646A1 FR 2440646 A1 FR2440646 A1 FR 2440646A1 FR 7830955 A FR7830955 A FR 7830955A FR 7830955 A FR7830955 A FR 7830955A FR 2440646 A1 FR2440646 A1 FR 2440646A1
Authority
FR
France
Prior art keywords
amplifier
chokes
esp
parasitic
channels
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
FR7830955A
Other languages
English (en)
Other versions
FR2440646B3 (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.)
BLAUPUNKT FRANCE SA
Original Assignee
BLAUPUNKT FRANCE SA
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 BLAUPUNKT FRANCE SA filed Critical BLAUPUNKT FRANCE SA
Priority to FR7830955A priority Critical patent/FR2440646A1/fr
Publication of FR2440646A1 publication Critical patent/FR2440646A1/fr
Application granted granted Critical
Publication of FR2440646B3 publication Critical patent/FR2440646B3/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
    • H03F3/68—Combinations of amplifiers, e.g. multi-channel amplifiers for stereophonics
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F3/00—Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements
    • H03F3/181—Low-frequency amplifiers, e.g. audio preamplifiers

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Multimedia (AREA)
  • Circuit For Audible Band Transducer (AREA)
  • Stereophonic System (AREA)

Abstract

A.PERFECTIONNEMENTS AUX AMPLIFICATEURS AUDIO-FREQUENCE, NOTAMMENT POUR AUTORADIO COMPORTANT DEUX VOIES, DENOMMEES L'UNE VOIE GAUCHE, L'AUTRE VOIE DROITE, AYANT CHACUNE AU MOINS UN AMPLIFICATEUR RELIE A AU MOINS UN HAUT-PARLEUR. B.PERFECTIONNEMENTS CARACTERISES EN CE QU'ILS COMPORTENT UN MOYEN REALISANT UN DEPHASAGE DE 180 DES SIGNAUX DES DEUX VOIES ET EN CE QU'UN HAUT-PARLEUR SUPPLEMENTAIRE RELIE A UN FILTRE PASSE-BAS EST BRANCHE ENTRE LES DEUX VOIES POUR ETRE ALIMENTE PAR LES SIGNAUX DEPHASES DE 180.
FR7830955A 1978-10-31 1978-10-31 Perfectionnements aux amplificateurs audio-frequence, notamment pour auto-radio Granted FR2440646A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR7830955A FR2440646A1 (fr) 1978-10-31 1978-10-31 Perfectionnements aux amplificateurs audio-frequence, notamment pour auto-radio

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7830955A FR2440646A1 (fr) 1978-10-31 1978-10-31 Perfectionnements aux amplificateurs audio-frequence, notamment pour auto-radio

Publications (2)

Publication Number Publication Date
FR2440646A1 true FR2440646A1 (fr) 1980-05-30
FR2440646B3 FR2440646B3 (fr) 1981-08-28

Family

ID=9214369

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7830955A Granted FR2440646A1 (fr) 1978-10-31 1978-10-31 Perfectionnements aux amplificateurs audio-frequence, notamment pour auto-radio

Country Status (1)

Country Link
FR (1) FR2440646A1 (fr)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2532492A1 (fr) * 1982-08-25 1984-03-02 Philips Nv Circuit amplificateur audio
EP0149023A1 (fr) * 1983-11-17 1985-07-24 GRUNDIG E.M.V. Elektro-Mechanische Versuchsanstalt Max Grundig holländ. Stiftung & Co. KG. Circuit d'étage de sortie
EP0476908A1 (fr) * 1990-09-19 1992-03-25 Matsushita Electric Industrial Co., Ltd. Circuit amplificateur

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2532492A1 (fr) * 1982-08-25 1984-03-02 Philips Nv Circuit amplificateur audio
EP0149023A1 (fr) * 1983-11-17 1985-07-24 GRUNDIG E.M.V. Elektro-Mechanische Versuchsanstalt Max Grundig holländ. Stiftung & Co. KG. Circuit d'étage de sortie
EP0476908A1 (fr) * 1990-09-19 1992-03-25 Matsushita Electric Industrial Co., Ltd. Circuit amplificateur
US5200709A (en) * 1990-09-19 1993-04-06 Matsushita Electric Industrial Co., Ltd. Audio amplifying circuit

Also Published As

Publication number Publication date
FR2440646B3 (fr) 1981-08-28

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