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Microwave non-reciprocal coplanar directional coupler based on ferrite materials

Author

Listed:
  • Youcef Hadj Aissa Fekhar
  • Faouzi Salah-Belkhodja
  • Didier Vincent
  • Enrique Bronchalo
  • Wassila Tebboune
  • Rafah Naoum

Abstract

Magnetized ferrites are anisotropic materials used in passive non-reciprocal components. One of the main applications of ferrites at microwave frequencies is the isolation effect. In this work, the non-reciprocal propagation in a ferrite coplanar coupler is studied from simulation results. The proposed structure exhibits a low insertion loss less than 1 dB, and return loss better than 20 dB, with significant non-reciprocal behavior for through propagation. The design of the non-reciprocal coplanar coupler, based on a magnetized transversally ferrite as substrate dielectric material, is presented. The numerical study allows to describe the component physical behavior. As results, a miniature coupler at 12.50 GHz with a non-reciprocal effect in direct access is better than 35 dB has been designed and simulated.

Suggested Citation

  • Youcef Hadj Aissa Fekhar & Faouzi Salah-Belkhodja & Didier Vincent & Enrique Bronchalo & Wassila Tebboune & Rafah Naoum, 2020. "Microwave non-reciprocal coplanar directional coupler based on ferrite materials," Journal of Electromagnetic Waves and Applications, Taylor & Francis Journals, vol. 34(5), pages 623-633, March.
    • Handle: RePEc:taf:tewaxx:v:34:y:2020:i:5:p:623-633
    DOI: 10.1080/09205071.2020.1733102
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