Design of a Six-Port Junction Using Half-Mode Substrate Integrated Waveguide

A six-port junction is designed using the newly proposed half-mode substrate integrated waveguide (HMSIW) technology. HMSIW origins from the substrate integrated waveguide (SIW) and have the advantage of reduced size. In this structure, a HMSIW hybrid 3dB coupler and phase shifting element are designed as fundamental building blocks. A HMSIW six-port junction circuit operating at 11.5~13.5 GHz is designed. Full wave simulation results verify the design.

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