Broadband Planar Coplanar Waveguide-Slotline Transition

Abstract
A planar two-stub coplanar waveguide-slotline transition is analysed using equivalent circuit approach and is designed by optimizing the slotline and the stub lengths. The end reactances for the two stubs are evaluated and cancelled separately under maximum power transfer conditions. Experimental VSWRs less than 1.12 in the band 3.2 - 4.4 GHz are measured associated with an insertion loss of 0.6 dB.

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