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Broadband feeding networks based on directional filters for two-beam antenna arrays

Author

Listed:
  • Kamil Staszek
  • Slawomir Gruszczynski
  • Krzysztof Wincza

Abstract

An alternative approach for the design of feeding networks designated for two-beam antenna arrays that ensure similar radiation patterns in a very broad frequency range has been proposed. The presented concept is based on directional filters that are utilized for smooth change of excitation signals of two broadband radiating elements and a broadband directional coupler used for ensuring quadrature excitations between two identical parts of the antenna arrays. The proposed concept has been confirmed by measurements of two-beams antenna arrays operating in frequency ratio fH/fL ≈ 2:1 and 3:1.

Suggested Citation

  • Kamil Staszek & Slawomir Gruszczynski & Krzysztof Wincza, 2020. "Broadband feeding networks based on directional filters for two-beam antenna arrays," Journal of Electromagnetic Waves and Applications, Taylor & Francis Journals, vol. 34(9), pages 1300-1307, June.
    • Handle: RePEc:taf:tewaxx:v:34:y:2020:i:9:p:1300-1307
    DOI: 10.1080/09205071.2019.1657964
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