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Closed form expressions for Green's functions of microstrip structures on a uniaxially anisotropic substrate

✍ Scribed by Sudarshan R. Nelatury; Ahmad Hoorfar

Publisher
John Wiley and Sons
Year
2003
Tongue
English
Weight
141 KB
Volume
13
Category
Article
ISSN
1096-4290

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✦ Synopsis

Closed form expressions for the Green's functions of a planar microstrip structure on an electrically thin uniaxially anisotropic substrate have been derived. The approach is to first obtain the quasi-dynamic term and refine its accuracy with a correction term valid for higher frequencies. The quasi-dynamic term conveys the influence of partial images and includes both transverse and vertical dielectric constants rt and rz . The correction term, on the other hand, results in an expression that includes rz only. Results indicate excellent agreement with exact numerical solution over a significant band of frequencies and over a large range of spatial values.

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