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13问答网 > 怎样使用电源变压器，使输出为15V,-15V?滤波电容有什么作用呢？

怎样使用电源变压器，使输出为15V,-15V?滤波电容有什么作用呢？

2025-03-16 04:32:13

推荐回答（2个）

回答1：

找找电子类的杂志和报纸，上面有很多，看看就知道了。滤波电容要用，滤波的，没有它，用电器就会有噪声。

回答2：

我来告诉你。，找到变压器的初级。接到220的电压上，次级接到整流器上。我是刚学上网的，不会在电脑上画电路图。，电容有滤波的作用。，

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