A Novel and Compact Eight-Port Forward-Wave Directional Coupler With Arbitrary Coupling Level Design Using Four-Mode Control Technology
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DOI: 10.1109/tmtt.2016.2623709
Abstract: We propose a novel, eight-port, forward-wave directional coupler with periodically patterned ground structures. The input impedances of the four modes for the proposed coupler can be matched, and the phase difference between the even–even and… read more here.
Keywords: wave directional; port forward; eight port; coupler ... See more keywords