2002•Electronic Product Reliability and Environmental TestingRequires access

Design, Characteristics and Selection of Power Supply EMI Filter

Xin Lei

Abstract

It is very important to design power supply EMI filter in EMC domain, and it is one of the effective means available to restrain conductive emission and radiative emission. Several aspects are discussed in this paper : 1) basic principle, category and major characteristics; 2) types of interferences in power supply line and the function of EMI filter ; 3) design rule, network configuration and parameter selection and; 4) installation requirements of power supply EMI filter.

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Available abstract

Key concepts: EMI, Electromagnetic interference, Filter (signal processing), Power (physics), Electronic engineering, Switched-mode power supply, Line filter, Function (biology)