| 本电路如下图所示,该放大器可工作在非常高的电源电压,使用一个IC和两个功率晶体管。该电路由一个TDA2030A集成电路放大器和两个功率晶体管构成。工作电源12V至44V。 R1-R3, R7 = 100 kΩ R6 = 8,2 kΩ R4, R5, R8, R9 = 1,40 Ω 1% R10 = 1 Ω C1 = 470 nF C2 = 10 µF/63 V C3 = 4,7 µF/63 V C4, C5, C7 = 220 nF C6 = 2200 µF/50 V C8 = 1000 µF/50 V D1, D2 = 1N4001 T1 = BD712 或 BD912 T2 = BD711 或 BD911 IC1 = TDA2030A LS = 音箱 - 4/8 Ω |
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