Field-To-Long-Segmented-Trace Coupling with Arbitrary Loads and a Transparent Upper Bound Using a Single Modified Taylor Cell

Sjoerd Op 'T Land (1, 2) , Mohamed Ramdani (1, 2) , Richard Perdriau (1, 2) , M'Hamed Drissi (2) , Frank Leferink (3)

1 ESEO-EMC
2 IETR - Institut d'Électronique et des Technologies du numéRique
3 Telecommunication Engineering [TE]

In modern electronic products, the printed circuit board (PCB) traces may well form the dominant coupling path in radiated immunity problems. Therefore, an understanding of the designable parameters that influence the worst-case induced voltages can be of use to the PCB designer, together with rapid simulations. Therefore, a modified single (unmeshed) Taylor cell is combined with transmission line theory to predict the terminal voltages induced by a grazing, vertically polarized plane wave, incident on a multi-segment trace with arbitrary terminal impedances. The resulting model is closed-form and therefore suitable for rapid simulations. Furthermore, the model is geometrically approximated to provide understanding on how designable PCB parameters determine the worst-case induced voltage. Finally, the model is compared to measurement results.

Mots clés: modified Taylor model; field-to-trace coupling; closed-form solution; full-wave simulation; GTEM cell

Domaines: Electronique

Sjoerd Op 'T Land, Mohamed Ramdani, Richard Perdriau, M'Hamed Drissi, Frank Leferink. Field-To-Long-Segmented-Trace Coupling with Arbitrary Loads and a Transparent Upper Bound Using a Single Modified Taylor Cell. IEEE Transactions on Electromagnetic Compatibility, 2016, 58 (5), pp.1517-1525. ⟨10.1109/TEMC.2016.2566449⟩. ⟨hal-01377005v2⟩