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Analytical Prediction of EMC Properties of an Automotive Horn
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English
Abstract
THE DC TO HIGH FREQUENCY impedance of an automobile horn is calculated from detailed drawings for frequencies from zero to 200 MHZ. The calculations are made using the finite element method which accounts for magnetic skin and proximity effects due to eddy currents. Measurements with a high frequency network analyzer confirm the calculated complex impedance at various frequencies. This calculation method will enable the design engineer to know the EMC (Electromagnetic Compatibility) properties of any passive noise generator before prototype construction of components.
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Citation
Coffell, J., "Analytical Prediction of EMC Properties of an Automotive Horn," SAE Technical Paper 851645, 1985, https://doi.org/10.4271/851645.Also In
References
- Brauer J. R. “Finite Element Calculation of Eddy Currents and Skin Effects” IEEE Transactions “Magnetics” , March 1982
- Brauer J. R. “Open Boundary Finite Elements for Axisymmetric Magnetic and Skin Effect Problems” J. Appl. Phys. , Nov. 1982
- Available from A. O. Smith Data Systems Company 8901 N. Kildeer Court, Milwaukee Wi. 53209, (414)357-2829