STK4231 2x100W Anfi devresi

Konusu 'Amplifikatör Devreleri' forumundadır ve guclusat tarafından 25 Ağustos 2011 başlatılmıştır.

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    56k 1/4w 2 Adet
    10k 1/4w 2 Adet
    1k 1/4w 4 Adet
    100ohm 1/4w 2 Adet
    4,7k 1/4w 4 Adet
    560ohm 1/4w 2 Adet
    4,7ohm 1/4w 4 Adet
    3,3k 1/4w 2 Adet
    2,2k 1/4w 2 Adet


    470pf 63v 2 Adet
    100nf 63v 4 Adet
    Bobin 3uh 1mm telden 10mm ferit üzerine 10 tur
    10uf 63v 2 Adet
    22uf 63v 3 Adet
    47uf 63v 2 Adet
    100uf 63v 2 Adet
    100uf 100v 1 Adet
    10000uf 63v 2 Adet

    Trfo 2x30v 300w
    10 Amper Köprü diyot
    Led 2 Adet
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    Son düzenleyen: Moderatör: 27 Şubat 2015
  2. guclusat
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    guclusat Tanınmış Üye Süper Moderatör

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    2 channel 100w stereo audio amplifier circuit by STK4231II

    If you want to create the 100 watt OCL audio amplifier circuit. I want you to consider this circuit as one. It uses STK4231 IC products to create a simple, small and best economical.

    How it works.
    The STK4231 is Hybrid IC of Sanyo, in the family of STK4201II. Can provide a high power output to 100 watts per channel. And When connected to the bridge adapter with output altitude of about 400 watts is incredible.
    -Built-in muting circuit to cut off various kinds of pop noise.
    Greatly reduced heat sink-due to case temperature 125 degrees Celsius.
    -Excellent cost performance.
    As this circuit, we can design the OCL amplifier 100 watts each channel. Will see that, this circuit consists of only a few external components.
    -The capacitor C9,C10 is used to reduce noise at high frequencies.
    -The input coupling capacitor are Bolt C1,C11.
    The C2,C12 is defined low frequency cut off point that Which can be calculated from the formula :

    F=1/6.28 C2xR5

    [​IMG]

    Note: two capacitor C2,C12 is defined gain ratio at low frequency but will be must over high Because, while open this circuit will be has a noise “thub…b.b.b” out to your speaker.

    – The boost trapping capacitor are C3 and C13. If the value is too low, resulting distortion increases torque at low frequency.

    – To reduce oscillation by C5, C8. which reduces the impedance of the power supply circuit to suit the use of IC.
    Setting gain ratio of circuit, which is defined by R5 = 560 and R4=56K will be total gain is VG = 40dB.
    If you want to change the rate of expansion, it should change the R5.
    The idle current is defied by R21,R22.

    [​IMG]

    Buy HERE!
    [​IMG][​IMG]

    The power supply circuit
    This our circuit use dual voltage positive – negative 50 volt and current is 5 Amp, we so use power supply as this figure which.
    How to build.
    It’s very easy to create, even if you are a beginner. It is important to place the devices correctly follow circuit diagram.
    [​IMG]
    In this figure is PCB and putting position the parts. The IC shouls be hold with the big heat sink.
     

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    Son düzenleme: 17 Mart 2019
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