Application Note EMCEMI Filter Design with RB …：应用笔记emcemi滤波器设计与Rb….pdf

文档介绍：Application Note EMC/EMI Filter Design with
RB Common-Mode Chokes
1
Content
Scope of this Application Note 3
Introduction 3
Electromagnetic Compatibility (EMC) and 3
Electromagnetic Interference (EMI)
EMC/EMI filter design 4
Design notes for RB chokes 5
Low and high inductance versions 5
Vertical and horizontal versions 6
2-wire and 3-wire versions 6
Saturation 7
Inductivity 8
Impedance Z 9
Filter design example 10
1. Determine AC current 10
2. Estimate the EMI noise level 11
3. Determine required filter attenuation 13
4. Specify the filter corner frequency fc 14
5. Select the RB