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58问答库 > 这种电容两端并联一个大阻值电阻是做什么用？为何没电通过下一级？

这种电容两端并联一个大阻值电阻是做什么用？为何没电通过下一级？

2025-03-15 07:42:40

推荐回答（3个）

回答（1）：

在阻容降压电路中，电容两端并联的电阻是起泄放电容电荷的作用，详细如下：
http://wenku.baidu.com/link?url=nabvPWIy4T4Kn82UeKQBPbVzD43FDPV8BL6KRvg-BsTAxRQrpHFdu3MJ4ScaixmSGgcdXX2QxfkVDfJC5lEA0hn4wkCXF3yKamWYH-ea9C_

回答（2）：

并联，那就是起振，让电路输出一个固定的频率

回答（3）：

滤波

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