Diode clamp basics

Posted on August 12, 2009. Filed under: Uncategorized | Tags: Circuit, Diode, High voltage, Low voltage, Tips |

二极管钳位保护电路是指由两个二极管反向并联组成的，一次只能有一个二极管导通，而另一个处于截止状态，那么它的正反向压降就会被钳制在二极管正向导通压降0.5-0.7以下，从而起到保护电路的目的，具体电路需要具体分析，但只要把握了原理，就会很容易了

两端电压差较小（小于正向导通电压）时，相当于开路，这对于隔离高压电路和低压电路很有用处。

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