Introduction to Interference Suppression

Filtering to meet emc requirements is now an essential requirement for many types of power electronic equipment. Two types of noise signal, common-mode and series-mode, are normally present, which require radically different types of suppression chokes to provide efficient filtering.

The suppression of emc, within the range 0.15MHz to 30MHZ, should not be confused with the reduction of supply harmonics...

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