题目详情

以下无助于抑制干扰源的措施是()。

  • A.通过在干扰源回路串联电感或电阻以及增加续流二极管来减小干扰源的du/dt
  • B.在继电器接点两端并接一个RC串联抑制电路
  • C.在可控硅两端并接RC抑制电路
  • D.布线时避免≤90°的折线

正确答案及解析

正确答案
A
解析

减小干扰源的du/dt主要是通过在干扰源两端并联电容来实现的。减小干扰源的di/dt则是在干扰源回路串联电感或电阻及增加续流二极管来实现的。

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