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Articles

Investigation of electromagnetic field radiation and substrate mode excitation caused by microstrip via structures

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Pages 1779-1787 | Received 25 Aug 2011, Accepted 11 Jun 2012, Published online: 03 Aug 2012
 

Abstract

Radiation into free-space and coupling to substrate modes, caused by via holes, are investigated with the goal to expand via hole models in microstrip circuits by radiation effects.

Acknowledgments

The authors thank for precise measurements to Dipl.-Ing. Achim Noculak (all from the Chair of Electromagnetic Theory of RWTH Aachen University). Also they would like to thank company Kathrein for manufacturing high quality test and auxiliary structures.

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