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.
at

Hot-Swap Circuits with Inrush Current Limiter

  To provide continuous current sensing and limiting, this hot-swap circuit uses a PNP transistor and a current sense resistor of 0.333R. Wh...