Sectorised horn antenna array using an RF MEMS rotary switch

A sectorised horn antenna array, comprising eight Vivaldi antennas and a single-pole multiple-throw RF MEMS rotary switch, has been demonstrated for the first time. Details of the design and fabrication are presented, together with preliminary measurements for a proof-of-concept prototype which confirm the principle of operation. It is believed that with further work a much higher performance can be achieved.