Design of a Dielectric Ridge Waveguide for Board Level High-speed Interconnect

A dielectric ridge waveguide for board level high-speed interconnect is proposed in this paper. A layered dielectric ridge waveguide is designed for the high-speed data transmission in millimeter wave band. Transition structure consisted of the coplanar waveguide (CPW) to the substrate integrated waveguide is employed for a wideband mode excitation. Simulation results show that the operating band (|S11|<-10 dB) can be realized from 24 GHz to 28 GHz with an insertion loss of more than −3 dB.