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Design Of EMI Filter For Flash Lamp Power Supply

Journal: International Journal of Scientific & Technology Research (Vol.4, No. 12)

Publication Date:

Authors : ; ; ;

Page : 134-138

Keywords : Index Terms Common mode CM; Differential mode DM; Electromagnetic Interference EMI; Equipment under Test EUT; Line Impedance Stabilization Network LISN.;

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Abstract Conducted and radiated electromagnetic interference in embedded and VLSI systems have become important in recent years with increase in clock frequency and reduction in physical dimensions of interconnects. It is important to understand the noise components in terms of current paths and the mitigation techniques. Although the common mode and differential mode components of conducted noise are analyzed in the context of a power electronics system the analytical and theoretical techniques hold good for other domains as well such as embedded systems and VLSI. This paper deals with modelling design and development of an EMI filter for conducted mode noise in flash lamp power supply. Also a design procedure of EMI filters sustaining to the military standard 461E is presented and it is based on practical measurement of conducted emissions. Design procedure in this paper considers common mode and differential mode separately. The paper also consists of considerations for magnetic core material integrated common mode CM common mode choke size optimization and differential mode DM choke etc. Design examples are given and are experimentally verified.

Last modified: 2016-04-24 17:48:47