diode alternating-current switch
... 两端交流开关 diac 二极管交流开关 current switch ; diode alternating current switch ; switch, diode alternating current 可控硅交流开关 SCR AC switch ...
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通常由一个电阻器或者电流源，电容器和一个“阀门”装置，如氖灯、两端交流开关、单结晶体管或者耿式效应二极管来实现。
It is usually implemented with a resistor or current source, a capacitor, and a "threshold" device such as a neon lamp, diac unijunction transistor, or Gunn diode.
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