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Spectrum of a frequency modulated pulse width modulation signal

descriptionPublicationkeyboard_double_arrow_right Article 04 Sep 2013 Turkey Publisher:WileyJournal:International Journal of Circuit Theory and Applications, volume 43, pages 390-400 (issn: 0098-9886, eissn: 1097-007X,

Authors: KILINÇ, SELÇUK; Cabuk, Gokhan;

doi: 10.1002/cta.1948

Spectrum of a frequency modulated pulse width modulation signal

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Abstract

AbstractIn power electronics, the switching elements are controlled by pulse width modulated (PWM) signals making their currents on and off repeatedly. This might cause electromagnetic interference (EMI) problems especially in switched mode power supplies. One method for mitigating the EMI is to use the frequency modulation technique in the control signal of the switching metal–oxide–semiconductor field‐effect transistor. According to this approach, frequency of the PWM signal is modulated in order to spread its spectrum and hence reduce the EMI levels. This paper presents the theoretical analysis for the spectrum of a frequency modulated PWM signal. Copyright © 2013 John Wiley & Sons, Ltd.

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Turkey

Related Organizations

Dokuz Eylül Üniversitesi Hastanesi
Turkey

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