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http://dx.doi.org/10.5515/KJKIEES.2018.29.12.963

Design of Compact Common Mode Noise Absorption Filter  

Jung, Hyeonjong (School of Electronics and Computer Engineering, Chonnam National University)
Jung, Jinwoo (Department of Energy IoT, Dongshin University)
Lim, Yeongseog (School of Electronics and Computer Engineering, Chonnam National University)
Publication Information
The Journal of Korean Institute of Electromagnetic Engineering and Science / v.29, no.12, 2018 , pp. 963-968 More about this Journal
Abstract
In this paper, a compact common mode filter using passive elements is designed and fabricated. To design a common mode filter with required frequency response, the equivalent circuits of the common mode filter in differential mode and common mode were analyzed. Compared with the former filter using a ${\lambda}/4$ resonator, the size of the proposed structure was reduced by 60 %. The fabricated common mode filter has a maximum differential mode insertion loss of 1.2 dB and a minimum common mode absorption efficiency of 78.2% in the CMA - bandwidth of 27.5 %.
Keywords
Common-Mode Filter; Common Mode Noise; Differential Mode(DM); Noise Absorption; Reflectionless Filter;
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