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audio amplifier potency tda7294

Konusu 'Elektronik Devreler' forumundadır ve guclusat tarafından 1 Aralık 2009 başlatılmıştır.

  1. guclusat
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    guclusat Tanınmış Üye Süper Moderatör

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    Project of circuit potent audio amplifier with TDA7294

    Super Amplifier with tda7294 of the St microeletronics, is possible to get potency of up to 100W in an only chip, for an unit stereo to use two same to that. That circuit is based on the datasheet of the ready
    [​IMG]


    to work with sources of strong signs, in case it is necessary it uses a pré-amplifier in the form of an opamp. That circuit type with integrated circuit is ideal for systems of involving sound. Because he is quite compact could use an independent amplifier for each one of the high speakers. In that way it can be to share the source dimensioned it is clear to support all the connected amplifiers. Oh you can remove a wave with that neighbor that bought a ” home theater ” of 1000W PMPO, and fear in saying that is an enormous potency, when in reality it will verify the real potency of the equipment it doesn’t arrive nor to 10W RMS for channel. It already imagined a system of high active speakers with 80W. If it will pass for the marketing department, that where defines the potency PMPO, your system would give… it lets me to see… comparing with the example oh of top… about ” 3000 W PMPO “. Game that you have been doing with the potency of the equipments. For you to do your sound system will only need the sign source. Because the amplifier can be perfectly that of here. The necessary subwoofer of a little more of potency then in the datasheet you will find an assembly example in bridge to increase the potency. Below we have the schematic, the Printed circuit board and details of the assembly.
    Good luck.
    [​IMG]


    schematic – diagram circuit for assembly power amplifier tda7294


    [​IMG]


    Suggestion of Printed circuit board to assembly the power amplifier with tda7294

    [​IMG]



    Side of the components to assembly potent amplifier with TDA7294

    [​IMG]



    lists of components: for tda7294

    C1 1µF
    C2 47µF
    C3 10µF
    C4 10µF
    C5 22µF
    C6 4700µF/50V
    C7 100N
    C8 4700µF/50V
    C9 100N
    D1 1N4148
    R1 22K
    R2 680R
    R3 22K
    R4 22K
    R5 30K
    R6 10K
    SL1 key de Mute
    SL2 signal input (Line In)
    U1 TDA7294V
    X2 Connector AK300/3
    X3 Connector AK300/2
    several: Printed circuit board, power source +35 -35V / 6A, etc.
     

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