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DETERMINATION OF THE RESONANCE FREQUENCIES OF THE MAGNETIC NEAR-FIELD RADIATED BY A SMPS

By C. Labarre, F. Costa, and J. Ecrabey

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Abstract:
In this paper, we analyze the behaviour of a switched mode power supply (SMPS) regarding the radiated magnetic nearfield through an initial understanding of the electrical working of the converter, particularly during switchings. We propose a method based on impedance analysis at each state of the converter in order to predict the resonances of currents and/or voltages in the SMPS at the origin of the magnetic radiated near-field.

Citation:
C. Labarre, F. Costa, and J. Ecrabey, "Determination of the Resonance Frequencies of the Magnetic Near-Field Radiated by a Smps," Progress In Electromagnetics Research B, Vol. 28, 95-109, 2011.
doi:10.2528/PIERB10120705

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