Resonance frequency of an equilateral triangular microstrip antenna

Nasimuddin*, Karu Esselle, A. K. Verma

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

33 Citations (Scopus)


We propose two simple and accurate closed-form models to compute the resonance frequency of an equilateral-triangular microstrip patch antenna on standard single layer and suspended substrates. The models have accuracy better than 0.7% for all cases for substrates having εr = 1.09 to 10.5. We also compare the accuracy of the commercial full-wave analysis software, Microwave Studio, against the available experimental results. It exhibits average accuracy of about 2.94% for the suspended structure and 0.97% for the standard substrate. The proposed models can be easily extended to the multilayer composite substrate. The models are suitable for interactive CAD of design and optimization of equilateral-triangular microstrip antenna.

Original languageEnglish
Pages (from-to)485-489
Number of pages5
JournalMicrowave and Optical Technology Letters
Issue number5
Publication statusPublished - 5 Dec 2005


  • CAD
  • Closed-form expressions
  • Equilateral triangular microstrip parch
  • Resonance frequency
  • Suspended patch antenna


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