Planar tri-band antenna element in L/S/C-bands

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A planar tri-band rectangle-rings microstrip antenna design is presented in this paper. The antenna has three equally tuned resonant bands and also maintains consistent radiation patterns in all the operational sub-bands. The antenna has a single port and its cavity-backed waveguide-like configuration results in minimum mutual coupling levels in antenna array configuration. The antenna element is tuned to operate over the L/S/C radar bands. The antenna is simple and compact structure and measures only 0.25lambda × 0.25lambda at the lowest frequency of operation. Due to its small dimensions, the element is well-suited for application to dense wide-scan phased arrays.

Original languageEnglish
Title of host publication11th European Conference on Antennas and Propagation, EuCap 2017
Place of PublicationPiscataway, NJ
Number of pages5
ISBN (Electronic)978-8-8907-0187-0
ISBN (Print)978-1-5090-3742-1
Publication statusPublished - 2017
EventEuCAP 2017: 11th European Conference on Antennas and Propagation - Paris, France
Duration: 19 Mar 201724 Mar 2017


ConferenceEuCAP 2017
Abbreviated titleEUCAP 2017


  • cavity-backed antenna
  • phased array
  • rectangular ring patch
  • tri-band

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    Puskely, J., Yarovoy, A. G., & Roederer, A. G. (2017). Planar tri-band antenna element in L/S/C-bands. In 11th European Conference on Antennas and Propagation, EuCap 2017 (pp. 1153-1157). [7928217] IEEE.