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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Schmitt trigger for cleaning up noisy or slow-rising digital signals

  A Schmitt trigger is a circuit that converts an analog input signal into a digital output signal with hysteresis. It's characterised b...