Scaleable vanadium dioxide switches with submillimeterwave bandwidth: VO 2 switches with impoved RF bandwidth and power handling
2017
A new generation of vanadium dioxide phase change switches have been designed, fabricated, and characterized. These switches were designed to dramatically reduce on-state shunt-capacitance associated with the switch's heater while also increasing the off-state resistance. The result is a switch architecture whose channel dimensions can be scaled to increase power handling while maintaining unparalleled low loss. We will present SPST switches with on-state insertion loss 35 dB from DC to 67 GHz while offering 1W power handling. A wide variety of SPNT switch designs is possible with MMW bandwidth. We have not identified any switch technology having reported superior bandwidth and low insertion loss.
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