NDLI: Radiated emission of automotive communication bus systems caused by mode-conversion of common-mode chokes and in-line-connectors

Content Provider	IEEE Xplore Digital Library
Author	Spagele, M. Wagner, F. Buntz, S. Leier, H. Lindenmeier, S. Reiter, L. Munzner, R.
Copyright Year	2013
Description	Author affiliation: Inst. for Commun. Technol., Univ. of Appl. Sci., Ulm, Germany (Munzner, R.) \|\| Group Res. & Mercedes Benz Cars Dev., Daimler AG, Ulm, Germany (Spagele, M.; Wagner, F.; Buntz, S.; Leier, H.) \|\| Inst. for High Freq. Tech., Univ. of the Bundeswehr Munich, Neubiberg, Germany (Lindenmeier, S.; Reiter, L.)
Abstract	The following study describes the mode-conversion of common-mode-chokes and in-line-connectors and their impact on radiated emissions of automotive communication bus systems. The main focus of the article lies on on the analytic description of the mode-conversion induced by automotive inline-connectors (including the untwisted lines before and after the in-line-connector), as compared to the mode-conversion of typcial common-mode chokes used for the considered differential bus systems. Analytical results thereby are compared in detail to results obtained by numerical modelling as well as to measurement results for a 100 MBit/s automotive Ethernet-system. It is shown, that the emission within the frequency band of the information signal strongly depends on the level of mode conversion. For automotive high speed bus systems like the 100 MBit/s Ethernet system investigated in this article, this leads to a significant emission in case of state-of-the-art common-mode chokes and in-line-connectors used nowadays. It is shown, that the analytical description and modelling of (assembled) in-line-connectors covers all of the key parameters in order to reliably predict mode-conversion and therefore radiated emission.
Starting Page	455
Ending Page	460
File Size	2853816
Page Count	6
File Format	PDF
ISBN	9781467349802
ISSN	23250364
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2013-09-02
Publisher Place	Belgium
Access Restriction	Subscribed
Rights Holder	EMC Europe Foundation
Subject Keyword	Metals radiated emission Electromagnetic compatibility Inductors connector Wires common-mode choke Ethernet mode-conversion CMC Pins automotive Integrated circuit modeling
Content Type	Text
Resource Type	Article

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