This thread has been locked.

If you have a related question, please click the "Ask a related question" button in the top right corner. The newly created question will be automatically linked to this question.

开关电源纹波的控制疑问



一个项目,弱信号处理,现在的问题是电源纹波参数的控制在5mv以内(功耗不大),目前打算采用开关电源,开关电源频率是不是频率越高,纹波相对越小?那频率高了,对EMI是不是越难控制?如何折中选择?同时,滤波处理对电容、电感要求(可推荐下优秀的供应商)?