A 2 X 2-element sequentially rotated patch antenna array for a mobilesat briefcase antenna system

N. C. Karmakar, M. E. Bialkowski

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Abstract

This article describes the design and development of a 2 X 2-element array for a briefcase antenna to be used with the Australian mobile satellite communications system Mobilesat. The array uses aperture-coupled circular microstrip patch antennas and a sequential feeding technique to obtain the required impedance and ellipticity bandwidth. To achieve the low-cost design, radiating elements are developed with the use of thin-film epoxy and foam, and the feeding network is etched on the R/T Duroid 5880 substrate. The measurements indicate approximately 13-dBi antenna gain and less than 1.6-dB axial ratio across the Mobilesat frequency band.

Original languageEnglish
Pages (from-to)7-10
Number of pages4
JournalMicrowave and Optical Technology Letters
Volume13
Issue number1
Publication statusPublished - 1 Sep 1996
Externally publishedYes

Keywords

  • Briefcase antenna
  • Microstrip antenna array
  • Mobile satellite communications

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