帮改一充电器电路图电路原理如图所示.A、B两点间接稳压电源,A点接正极,B点接负伤极.IC1与外围电路构成比较器.IC2与外围电路构成矩形波发生器.三极管VT与外围电路构成恒流源.当R7为10欧时,
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![帮改一充电器电路图电路原理如图所示.A、B两点间接稳压电源,A点接正极,B点接负伤极.IC1与外围电路构成比较器.IC2与外围电路构成矩形波发生器.三极管VT与外围电路构成恒流源.当R7为10欧时,](/uploads/image/z/10447927-7-7.jpg?t=%E5%B8%AE%E6%94%B9%E4%B8%80%E5%85%85%E7%94%B5%E5%99%A8%E7%94%B5%E8%B7%AF%E5%9B%BE%E7%94%B5%E8%B7%AF%E5%8E%9F%E7%90%86%E5%A6%82%E5%9B%BE%E6%89%80%E7%A4%BA.A%E3%80%81B%E4%B8%A4%E7%82%B9%E9%97%B4%E6%8E%A5%E7%A8%B3%E5%8E%8B%E7%94%B5%E6%BA%90%2CA%E7%82%B9%E6%8E%A5%E6%AD%A3%E6%9E%81%2CB%E7%82%B9%E6%8E%A5%E8%B4%9F%E4%BC%A4%E6%9E%81.IC1%E4%B8%8E%E5%A4%96%E5%9B%B4%E7%94%B5%E8%B7%AF%E6%9E%84%E6%88%90%E6%AF%94%E8%BE%83%E5%99%A8.IC2%E4%B8%8E%E5%A4%96%E5%9B%B4%E7%94%B5%E8%B7%AF%E6%9E%84%E6%88%90%E7%9F%A9%E5%BD%A2%E6%B3%A2%E5%8F%91%E7%94%9F%E5%99%A8.%E4%B8%89%E6%9E%81%E7%AE%A1VT%E4%B8%8E%E5%A4%96%E5%9B%B4%E7%94%B5%E8%B7%AF%E6%9E%84%E6%88%90%E6%81%92%E6%B5%81%E6%BA%90.%E5%BD%93R7%E4%B8%BA10%E6%AC%A7%E6%97%B6%2C)
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