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耳放的输入耦合电容应选多大最合适

耳机放大器的输入耦合电容选多少uF最合适,什么电容好点.

2025-03-15 00:45:36

推荐回答（3个）

回答1：

1.0~2.2uF已经很好了，注意：关键是漏电小的电容，一般常用50v1uF或50v2.2uF，最好是钽电容漏电极小，原因是漏电会被放大器放大产生电流噪声，而输入耦合电容的作用恰好就是隔断电流只让音频讯号传过。

回答2：

高级问题，我帮不了你

回答3：

4.7uF就差不多了。

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