Abstract:A compact waveguide-to-half mode substrate integrated waveguide (HMSIW) transition using antisymmetric tapered probes is proposed. A good matching of field and impendence is achieved by the tapered probes. To verify the proposed transition, a back-to-back test module at Ka-band is fabricated and measured. It provides a return loss better than 14 dB and an insertion loss of 0.35 to 1 dB within a frequency range from 25 to 40 GHz. There is no need of intermediate transition for this design. The size of the propo… Show more
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