Simple formulas for the resonant frequencies of microstrip patches

Q. Liu, Weng Cho Chew

Research output: Contribution to journalConference articlepeer-review


A study is made of the resonant frequencies of rectangular and circular microstrip patches to develop design formulas for the resonant frequencies. The resonant frequency problem of rectangular microstrip patches is formulated using vector Hankel transforms. Both formulations result in integral equations for which Galerkin's method is used to ascertain the resonant frequencies. The results agree with experiments and asymptotically agree with the perturbation approach. Based on these solutions, the design formulas for the microstrip patches are developed using least-square fits.

Original languageEnglish (US)
Pages (from-to)14-17
Number of pages4
JournalIEEE Antennas and Propagation Society, AP-S International Symposium (Digest)
StatePublished - 1988

ASJC Scopus subject areas

  • Electrical and Electronic Engineering


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