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Investigation of the performance of the resistive voltage source used for the FDTD analysis of microstrip circuits

โœ Scribed by An Ping Zhao; Petteri Alinikula

Publisher
John Wiley and Sons
Year
2001
Tongue
English
Weight
157 KB
Volume
30
Category
Article
ISSN
0895-2477

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โœฆ Synopsis

Abstract

In this paper, the performance of the resistive voltage source (RVS) model used for the FDTD analysis of microstrip circuits is evaluated. It is found that, when the actual physical impedance of a microstrip line is used for assigning a constant value of R~s~ into the corresponding electric nodes in the RVS region, the model often induces quite large reflections. Detailed numerical investigations indicate that the performance of the RVS model can be greatly enhanced when the effective impedance (which is determined by examining the maximum value of the calculated voltage between the strip line and the ground plane), instead of the physical impedance, of the microstrip line is used for the RVS model.โ€ƒยฉ 2001 John Wiley & Sons, Inc. Microwave Opt Technol Lett 30: 378โ€“381, 2001.

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