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电阻与电容并联起什么作用?电阻与电容串联又起什么作用?

2025-03-14 21:49:46

推荐回答（1个）

回答1：

在放大电路中电阻电容并联，俗称旁路可限制直流，充许交流信号通过，使信号得到充分放大。在电容器降压电路中，电容通常并接一高阻值电阻，这电阻是为电容放电用的，避免修理时电击人。电阻电容串联可限制电容充放电速度，起缓冲作用。可选用不同数值电阻电容组合，可以组成积分·或微分电路。

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