NDLI: Effect of layered media on the parallel plate impedance of printed circuit boards

Content Provider	IEEE Xplore Digital Library
Author	Dahl, David Muller, Sebastian Schuster, Christian
Copyright Year	2014
Description	Author affiliation: Institut für Theoretische Elektrotechnik, Technische Universität Hamburg-Harburg (TUHH), Harburger Schloßstr. 20, 21079, Germany (Dahl, David; Muller, Sebastian; Schuster, Christian)
Abstract	This paper evaluates the impact of layered media on the parallel plate impedance of printed circuit boards. In the parallel plate impedance computation using the radial waveguide method (RWM) for infinite planes and a contour integral method (CIM) for finite planes, the layered nature of investigated structures can be accounted for by effective wave numbers. Here, the effective wave numbers are obtained using either an exact solution from the transverse resonance method (TRM) or adopting approximations based on the assumption of quasi-TEM fields and the applicability of suitable averages. The wave numbers obtained with these techniques are compared for typical structures of interest, and the parallel plate impedance computed with effective wave numbers is evaluated and compared to a full wave solution. The results show that a comparatively simple approximation for the effective wave number is sufficient for an accurate parallel plate impedance calculation.
Starting Page	29
Ending Page	32
File Size	410839
Page Count	4
File Format	PDF
ISBN	9781479962570
DOI	10.1109/EDAPS.2014.7030807
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2014-12-14
Publisher Place	India
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	transverse resonance method layered media Nonhomogeneous media radial waveguide method Approximation methods parallel plate impedance parallel plate waveguide wave number Dielectric losses contour integral method Transmission line measurements Impedance Permittivity
Content Type	Text
Resource Type	Article

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