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Coplanar High Impedance Wire on ferrite substrate : Application to isolators

Eric Djekounyom 1, 2 Eric Verney 1 Didier Vincent 1
1 LHC - Laboratoire Hubert Curien [Saint Etienne]
2 Institut National Supérieur des Sciences et Techniques d’Abéché, Chad
Abstract : This article concerns a structure of high-impedance wires (HIW) based on ferrite substrate coplanar waveguide (CPW). Slotted planar stubs are etched on one or two ground planes of the CPW line. Several prototype measurements have been performed showing excellent performance to implement narrow-band microwave isolators. These HIW components can work at low bias-field giving an easier implementation in microwave devices.
Keywords : Index Terms-High-impedance wire (HIW) defected ground structure (DGS) non-reciprocal component isolator coupled slotlines ferrite substrate metamaterial metaline
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Submitted on : Thursday, August 13, 2020 - 2:12:48 PM
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UNIV-ST-ETIENNE | IOGS | CNRS | PARISTECH | UNIV-PARIS-SACLAY | UDL

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Eric Djekounyom, Eric Verney, Didier Vincent. Coplanar High Impedance Wire on ferrite substrate : Application to isolators. IEEE Transactions on Magnetics, Institute of Electrical and Electronics Engineers, 2020, 56 (10), pp.1-5. ⟨10.1109/TMAG.2020.3011634⟩. ⟨ujm-02904170⟩

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