Input impedance of spherical microstrip antenna

Wai Yip Tam, A. K Y Lai, K. M. Luk

Research output: Journal article publicationJournal articleAcademic researchpeer-review

27 Citations (Scopus)


The input impedance of a spherical microstrip antenna excited by a coaxial probe is analysed. Both the TM11 mode of spherical circular microstrip antenna and the TM12 mode of spherical annular microstrip antenna are considered. Galerkin's procedure is used to solve the surface current on the patch. The effects of the dielectric thickness and the size of the sphere on the input impedance are studied. Results are compared with antennas on planar surface and with perfect magnetic wall cavity model.
Original languageEnglish
Pages (from-to)285-288
Number of pages4
JournalIEE Proceedings: Microwaves, Antennas and Propagation
Issue number3
Publication statusPublished - 1 Jun 1995

ASJC Scopus subject areas

  • Computer Networks and Communications
  • Electrical and Electronic Engineering


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