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FAQs 如何选择驻极体麦克风偏置电阻?
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    • 如何选择驻极体麦克风偏置电阻?
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  • 使用AD936X Evaluation Software导出配置时,软件提示滤波器系数过多。

如何选择驻极体麦克风偏置电阻?

关于驻极体麦克风,原理图如下:
User-added image

麦克风所要求的偏置电流通常在100µA to 800µA,偏置电阻值一般在1kΩ to 10kΩ。设计中,根据供电电压、偏置电流、灵敏度要求,确认偏置电阻。请检查一下您的麦克风规格,相应更改偏置电阻,确认是否可以工作。

 

Tags: MAX4466EUK 000094077
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