Wednesday, June 6, 2018

Common Mode and Differential Mode Filters to limit EMI Issues

This EMI filter includes a common-mode filter and a differential-mode filter. Generally Differential mode filter filters noise less than 30MHz and Common mode filter filters noise from 30 MHz to 100 MHz. Both filters have an effect on the entire frequency where EMI needs limiting.
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General PCB Routing Techniques

For traces that don't need specific impedance or high current, a 10 mil trace width is fine for the vast majority of low-current analog ...