大多数开关主机都可通过触发输入进行外部触发，并且在继电器触点稳定之后可输出一个触发脉冲。
Most switch mainframes can be triggered externally via the trigger input and can send an output trigger pulse when the relay contacts have settled.
可以使用箝位电路替代Schmitt触发器净化高频输入脉冲。正反馈放大器是信号级脉冲…
You can use a clamping circuit instead of a Schmitt trigger to clean up…
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