Multiple space mapping for RF T-switch design

Abstract

For the first time we exploit multiple space-mapping for T-switch design. The switch we consider has six paths. From symmetry the whole switch can be designed by considering only two paths. Applying space-mapping to each path does not produce feasible results since the two paths share some common design parameters. A multiple space-mapping algorithm has been developed and applied to design the two switch paths. The algorithm iteratively enhances the coarse model of each path. The enhanced coarse models are then optimized to meet the required specifications. Excellent RF performance in the C-band and Ku-band has been obtained in few iterations.