FR2452854A1 - Poste autoradio a circuit renforcateur de puissance commutable - Google Patents

Poste autoradio a circuit renforcateur de puissance commutable

Info

Publication number
FR2452854A1
FR2452854A1 FR7908092A FR7908092A FR2452854A1 FR 2452854 A1 FR2452854 A1 FR 2452854A1 FR 7908092 A FR7908092 A FR 7908092A FR 7908092 A FR7908092 A FR 7908092A FR 2452854 A1 FR2452854 A1 FR 2452854A1
Authority
FR
France
Prior art keywords
amplifier
booster
loudspeaker
speaker
car radio
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
FR7908092A
Other languages
English (en)
Other versions
FR2452854B1 (fr
Inventor
Denis Froeliger
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.)
Thomson-Brandt SA
Original Assignee
Thomson-Brandt 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 Thomson-Brandt SA filed Critical Thomson-Brandt SA
Priority to FR7908092A priority Critical patent/FR2452854A1/fr
Publication of FR2452854A1 publication Critical patent/FR2452854A1/fr
Application granted granted Critical
Publication of FR2452854B1 publication Critical patent/FR2452854B1/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
    • H03F3/30—Single-ended push-pull [SEPP] amplifiers; Phase-splitters therefor
    • H03F3/3081—Duplicated single-ended push-pull arrangements, i.e. bridge circuits
    • 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

Landscapes

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

Abstract

LA PRESENTE INVENTION CONCERNE UN POSTE AUTORADIO A CIRCUIT RENFORCATEUR DE PUISSANCE COMMUTABLE. UN TEL AUTORADIO COMPORTE SUR CHACUN DE SES AMPLIFICATEURS BASSE FREQUENCE DE SORTIE, UN AMPLIFICATEUR SUPPLEMENTAIRE CONNECTE EN PONT PAR L'INTERMEDIAIRE D'UN INVERSEUR DOUBLE, DE MANIERE QUE L'AUTORADIO PUISSE FONCTIONNER D'UNE PART EN MODE SANS RENFORCATEUR ET D'AUTRE PART, EN MODE AVEC RENFORCATEUR, LE HAUT-PARLEUR ETANT ALORS ALIMENTE PAR UN SIGNAL EGAL A LA SOMME DE DEUX SIGNAUX EN OPPOSITION DE PHASE PROVENANT DES DEUX AMPLIFICATEURS EN PONT, LE GAIN TOTAL AINSI OBTENU ETANT ALORS EGAL A DEUX FOIS LE GAIN DE L'AMPLIFICATEUR SUPPLEMENTAIRE UTILISE SEUL.
FR7908092A 1979-03-30 1979-03-30 Poste autoradio a circuit renforcateur de puissance commutable Granted FR2452854A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR7908092A FR2452854A1 (fr) 1979-03-30 1979-03-30 Poste autoradio a circuit renforcateur de puissance commutable

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7908092A FR2452854A1 (fr) 1979-03-30 1979-03-30 Poste autoradio a circuit renforcateur de puissance commutable

Publications (2)

Publication Number Publication Date
FR2452854A1 true FR2452854A1 (fr) 1980-10-24
FR2452854B1 FR2452854B1 (fr) 1984-08-10

Family

ID=9223776

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7908092A Granted FR2452854A1 (fr) 1979-03-30 1979-03-30 Poste autoradio a circuit renforcateur de puissance commutable

Country Status (1)

Country Link
FR (1) FR2452854A1 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0487133A2 (fr) * 1990-11-20 1992-05-27 STMicroelectronics S.r.l. Amplificateur de puissance audio à haut rendement comprenant deux amplificateurs avec une seule alimentation
EP0613242A1 (fr) * 1993-02-24 1994-08-31 STMicroelectronics S.r.l. Amplificateur à double pont, auto-configurable

Non-Patent Citations (3)

* Cited by examiner, † Cited by third party
Title
EXBK/67 *
EXBK/70 *
EXBK/76 *

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0487133A2 (fr) * 1990-11-20 1992-05-27 STMicroelectronics S.r.l. Amplificateur de puissance audio à haut rendement comprenant deux amplificateurs avec une seule alimentation
EP0487133A3 (en) * 1990-11-20 1992-09-09 Sgs-Thomson Microelectronics S.R.L. High efficiency power audio amplifier comprising two amplifiers with a single feed
EP0613242A1 (fr) * 1993-02-24 1994-08-31 STMicroelectronics S.r.l. Amplificateur à double pont, auto-configurable
US5365188A (en) * 1993-02-24 1994-11-15 Sgs-Thomson Microelectronics S.R.L. Self-configurable, dual bridge, power amplifier
US5444417A (en) * 1993-02-24 1995-08-22 Sgs-Thomson Microelectronics S.A. Self-configurable, dual bridge, power amplifier
US5621352A (en) * 1993-02-24 1997-04-15 Sgs-Thomson Microelectronics S.R.L. Self-configurable, dual bridge, power amplifier

Also Published As

Publication number Publication date
FR2452854B1 (fr) 1984-08-10

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Legal Events

Date Code Title Description
ST Notification of lapse