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27 天
一文教你如何将PWM信号转换为模拟量信号
[导读]PWM代表脉冲宽度调制,目前将 PWM 理解为一种可以由数字 IC(如微控制器或555 定时器)产生的信号。这样产生的信号将具有一串脉冲,并且这些脉冲将是方波的形式。也就是说,在任何给定的时间点,波浪要么是高的,要么是低的。为了便于理解,让我们考虑 ...
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