Dispersion characteristics of open microstrip lines using closed-form asymptotic extraction

Seong Ook Park, Constantine Balanis

Research output: Contribution to journalArticlepeer-review

22 Scopus citations

Abstract

A full-wave spectral-domain method with an asymptotic extraction technique is formulated for multilayer microstrip lines. This formulation provides a simple closed-form representation of the asymptotic part of the impedance matrix by using Chebyshev polynomial basis functions with the square-root edge condition and the asymptotic behavior of the Green's function. The formulation is applied to open microstrip lines. Numerical results, in the form of the effective dielectric constants, are presented for the dominant mode. It is shown that the proposed method significantly reduces the computational time and improves the accuracy over the conventional spectral-domain approach (SDA).

Original languageEnglish (US)
Pages (from-to)458-460
Number of pages3
JournalIEEE Transactions on Microwave Theory and Techniques
Volume45
Issue number3
DOIs
StatePublished - 1997

Keywords

  • Accleration technique
  • Microstrip lines
  • Spectral-domain approach

ASJC Scopus subject areas

  • Radiation
  • Condensed Matter Physics
  • Electrical and Electronic Engineering

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