Analysis, design, and characterization of ferrite EMI suppressors

Damnjanovic, M. and Stojanovic, G. and Desnica, V. and Zivanov, L. and Raghavendra, Ramesh and Bellew, P. and McLoughlin, N. (2006) Analysis, design, and characterization of ferrite EMI suppressors. IEEE Transactions on Magnetics, 42 (2). pp. 270-277. ISSN 0018-9464

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Official URL: http://dx.doi.org/10.1109/TMAG.2005.860485

Abstract

In this paper design, modeling and characterization of single and double coils, which consist of conductive layer embedded in the soft ferrite material, are described. These surface-mount components, comprising of a cofired multilayered ferrite and coil, have been developed in the ceramic coprocessing technology. A simple analytical model of proposed structures is presented. This model is very suitable for circuit simulations and for prediction of frequency characteristics of considered inductors. The inductance and impedance of coils embedded in low permeability or high permeability ferrite material are calculated and compared. Also, these suppressors were experimentally tested in the frequency range 1 MHz–3 GHz using an Agilent 4287 A RF LCR meter. The calculated results were in good agreement with the measured ones. Index Terms—EMI suppressor, high-frequency characteristics, impedance and inductance calculation, single and double coils.

Item Type: Article
Departments or Groups: South East Applied Materials Research Centre
Divisions: School of Engineering
Depositing User: Ramesh Raghavendra
Date Deposited: 12 Mar 2014 10:10
Last Modified: 27 May 2022 13:35
URI: https://repository.wit.ie/id/eprint/2777

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