Resonance frequency and bandwidth of rectangular microstrip antenna on thick substrate

A. K. Verma*, Nasimuddin

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

12 Citations (Scopus)


We report an improved cavity model called modified Wolff model (MWM) to compute the resonance frequency of a rectangular patch antenna on the thick PTFE substrate (0.037λ g-0.229λ g). The MWM accounts for the effect of anistropy and total losses on the resonance frequency, therefore it has a maximum deviation 2% against the experimental results. The previous cavity model, the multiport cavity model, and MOM based commercial software, Ensemble, compute resonance frequency with deviation between 4%-36%. Results on the bandwidth computed by these models have also been compared against the experimental results.

Original languageEnglish
Pages (from-to)60-62
Number of pages3
JournalIEEE Microwave and Wireless Components Letters
Issue number2
Publication statusPublished - Feb 2002
Externally publishedYes


  • Microstrip antennas
  • Rectangular antennas
  • Thick patch


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