Dispersion characteristics of fundamental and higher order modes of cylindrical microstrip lines with a cover layer

Ching Her Lee, Chung I.G. Hsu

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Abstract

The dispersion characteristics of the effective dielectric constant and the characteristic impedance of a superstrate-loaded cylindrical microstrip line are examined. Numerical results of fundamental and higher order modes are computed using a spectral-domain integral equation formulation in conjunction with the method of moments. Entire-domain sinusoidal functions are employed for microstrip current expansions to obtain convergent results with relatively few terms. The results show that the effects of the cover layer on the dispersion curves for the narrower strip are more appreciable than for the wider strip.

Original languageEnglish
Pages (from-to)385-389
Number of pages5
JournalMicrowave and Optical Technology Letters
Volume16
Issue number6
DOIs
Publication statusPublished - 1997 Dec 20

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All Science Journal Classification (ASJC) codes

  • Electronic, Optical and Magnetic Materials
  • Atomic and Molecular Physics, and Optics
  • Condensed Matter Physics
  • Electrical and Electronic Engineering

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