继电器电磁干扰测试中驱动触发电路的设计
Decisive Factors of Electromagnetic Radiation of Trigger Circuit to
Relay
摘 要 文章对继电器触发电路产生电磁干扰的因素进行了分析;通过试验比较得出在继电器电磁干扰测试中能够准确反映继电器本身电磁干扰的驱动触发电路,为类似无源元器件的电磁干扰测试提供了辅助手段。
关键词 继电器 抖动 电磁辐射 触发电路
Abstract First, the paper analyzes the factors produced the electromagnetic
interference of the relay trigger circuit according to the theory which the peak pulse
signal will be made and the interference signal is radiated to outside when the switch
turns on or off .and separately test three kinds of trigger circuit. Second, the
electromagnetic interference signal of the trigger circuit is effectively eliminated by
progressing improvement for the purpose to accurately reflect the electromagnetic
interference of the relay. Last the paper introduces a trigger circuit which is a
supplementary means for the electromagnetic interference experiment.
Keywords relay, vibration, electromagnetic radiation, trigger circuit
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