An Efficient Algorithm for Planar Circuits Design

An efficient algorithm for planar circuits design based on the wave concept (WCIP) is formulated and applied. The algorithm is based in the use of a recursive relationship between incident waves and reflected waves from a discontinuity plane instead of an integral equation method. The advantage here...

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Bibliographic Details
Published in:IEEE transactions on magnetics 2010-08, Vol.46 (8), p.3441-3444
Main Authors: Serres, A., Fontgalland, G., de Farias, J. E. P., Baudrand, H.
Format: Article
Language:English
Subjects:
Adaptive arrays
Algorithms
Circuit design
Circuit synthesis
Computer simulation
Convergence
Coupling circuits
Cross-disciplinary physics: materials science
rheology
Current density
Dual quantities
Exact sciences and technology
fast modal transform
Frequency
Integral equations
Inversions
iterative procedure
Magnetism
Materials science
Microstrip antennas
Other topics in materials science
Physics
Robustness
Studies
Transformations
Transmission line matrix methods
Walls
WCIP
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Summary:An efficient algorithm for planar circuits design based on the wave concept (WCIP) is formulated and applied. The algorithm is based in the use of a recursive relationship between incident waves and reflected waves from a discontinuity plane instead of an integral equation method. The advantage here are that no matrix inversion is required, the convergence is insured independently of the kind or numbers of interfaces of the structure and well adapted to multi-layered circuit characterization, antenna coupling over concentric cylinders. The method herein presented solves for the current density and the tangential electrical field on the interface. The robustness of this formulation permits to solve, independently of the frequency or physical size, several problems by applying dual quantities. In order to simplify calculations and accelerate the convergence, a two-dimensional fast modal transformation (FMT) algorithm using periodic walls is used with the 2D-FFT algorithm. As example, the simulation results for two different structures, an open microstrip line and a microstrip patch antenna, are presented.
ISSN:0018-9464
1941-0069
DOI:10.1109/TMAG.2010.2044150