A substrate integrated waveguide degree-2 circulator

W. D'Orazio, K. Wu, J. Helszajn

Research output: Contribution to journalArticlepeer-review

55 Citations (Scopus)


A substrate integrated waveguide (SIW) circulator is proposed and demonstrated in this work that can facilitate the integration of planar active components with high-Q passive components. Very satisfactory experimental and theoretical results are provided, at 22 GHz, for a degree-2 junction circulator using a post resonator. It also includes experimental results on the classic gyrator circuit of this type of junction.

Original languageEnglish
Pages (from-to)207-209
Number of pages3
JournalIEEE Microwave and Wireless Components Letters
Issue number5
Publication statusPublished - May 2004


  • Circulator
  • Millimeter-wave integrated circuits
  • Substrate integrated waveguide (SIW)


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