Four-Way Chained Quasi-Planar Slotted-HMSIW Power Divider

Abstract

A four-way chained quasi-planar slotted power divider, using half-mode substrate-integrated waveguide technology, is presented in this letter. Based on the equivalent-circuit model, slotted capacitive coupling model has been achieved. In order to verify the validity of the design method, a four-way power divider operating at X-band is designed, fabricated and measured. The simulation and measured results with good agreement are presented. The measured insertion loss (in the frequency range of 9.05–9.55 GHz) is less than 1.4 dB, and the return loss is better than 17.5 dB. The measured isolations between the output ports are greater than 12 dB at the entire design band.