Analysis of circular microstrip antennas on low- and high-relative-permittivity substrates

A. K. Verma*, Nasimuddin

*Corresponding author for this work

Research output: Contribution to journalArticle

2 Citations (Scopus)

Abstract

A simple and accurate cavity model called the modified Wolff model (MWM) is presented to compute the resonance frequency and input impedance of the circular microstrip antenna on the PTFE, alumina, and GaAs substrates. Results of the MWM show better agreement with the experimental results as compared to results of the commercial software; namely, the standard cavity model adopted in the PCAAD, the multiport cavity model (MCM), and the method-of-moments- (MOM) based Ensemble. The MWM works with high accuracy on both the thin and thick substrates and from microwave to millimeter-wave range.

Original languageEnglish
Pages (from-to)75-80
Number of pages6
JournalMicrowave and Optical Technology Letters
Volume34
Issue number2
DOIs
Publication statusPublished - 20 May 2002
Externally publishedYes

Keywords

  • Circular microstrip antennas
  • Microstrip antennas
  • Thick substrate
  • Thin substrate

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