Modeling planar arbitrarily shaped microstrip elements in multilayered media

Microstrip elements of arbitrary shape are modeled in multilayered media. The Green's function for the multilayered structure is developed in a form useful for efficient computation for interacting microstrip elements, which may be located at any substrate layer and separated by an arbitrarily...

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Bibliographic Details
Published in:IEEE transactions on microwave theory and techniques 1997-03, Vol.45 (3), p.330-337
Main Authors: Ming-Ju Tsai, De Flaviis, F., Fordham, O., Alexopoulos, N.G.
Format: Article
Language:English
Subjects:
Circuits
Computer integrated manufacturing
Electromagnetic radiation
Geometry
Integral equations
Microelectronics
Microstrip antennas
Microstrip filters
Microwave filters
Shape
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Summary:Microstrip elements of arbitrary shape are modeled in multilayered media. The Green's function for the multilayered structure is developed in a form useful for efficient computation for interacting microstrip elements, which may be located at any substrate layer and separated by an arbitrarily large distance. This result is of significant value to a variety of applications in wave propagation besides those discussed in this paper. The mixed-potential integral-equation (MPIE) method is developed in the spatial domain. Examples for regularly/arbitrarily shaped geometries in single and multilayered media are presented. These involve the optimization of an open-end microstrip, a radial-stub microstrip, a five-section overlay-gap-coupled filter, and a circular-patch proximity-coupled microstrip antenna. Very good agreement with measurement and other published data is observed.
ISSN:0018-9480
1557-9670
DOI:10.1109/22.563330