Compact dual-band substrate integrated waveguide crossover with high isolation

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dc.contributor.authorKarthikeyan, Sholampettai Subramanian
dc.date.accessioned2026-11-02T05:30:44Z
dc.date.available2026-11-02T05:30:44Z
dc.date.issued2019-03-22
dc.description.abstract—A compact dual-band substrate integrated waveguide (SIW) crossover with high isolation is proposed. Two identical slots are etched on the ground plane to achieve dual-band response and compact size. The passbands are generated below the cutoff frequency of the SIW due to the electric dipole behaviour of the slots. In-line ports are also employed to obtain good transmission and high isolation. To validate the concept, a dual-band crossover operating at 2.4 GHz and 5.4 GHz is designed, fabricated, and measured. The crossover size including in-line ports is 43.2 × 43.2mm2,equivalentto 0.43λg × 0.43λg,hereλg is the guided wavelength at the first operating frequency. The tested insertion loss and isolation at the two operating frequencies are smaller than 0.27 dB and greater than 40 dB, respectively.
dc.identifier.issn19376480
dc.identifier.urihttp://dx.doi.org/10.2528/PIERL19013004
dc.identifier.urihttp://nitt.ndl.gov.in/handle/123456789/388
dc.language.isoen
dc.publisherElectromagnetics Academy
dc.relation.ispartofseriesProgress in Electromagnetics Research Letters; Vol. 83
dc.titleCompact dual-band substrate integrated waveguide crossover with high isolation
dc.typeArticle
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