Systematic power line EMI filter design for SMPS

Based on a two-probe measurement approach, noise source and noise termination impedances of a switched-mode power supply (SMPS) under its normal operating condition are measured. With the known information of the noise source and noise termination impedances, an electromagnetic interference (EMI) fi...

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Bibliographische Detailangaben
Hauptverfasser:	Tarateeraseth, V., Kye Yak See, Lin Biao Wang, Canavero, F. G.
Format:	Tagungsbericht
Sprache:	eng
Schlagworte:	Delta modulation Electromagnetic interference Electromagnetic interference (EMI) EMI filter Impedance Insertion loss line impedance stabilization network Microwave filters Noise noise source impedance switched-mode power supplies Switched-mode power supply
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Beschreibung
Zusammenfassung:	Based on a two-probe measurement approach, noise source and noise termination impedances of a switched-mode power supply (SMPS) under its normal operating condition are measured. With the known information of the noise source and noise termination impedances, an electromagnetic interference (EMI) filter can be designed systematically with good confidence. An example to design a power line EMI filter for a SMPS to meet a regulatory conducted EMI limit using the proposed procedure is demonstrated.
ISSN:	2325-0356