Microstrip Phase ShifterA MICRO-SPRING SUPPORTED MEMBRANE FOR RECONFIGURABLE DEFECTED GROUND MICROSTRIP PHASE SHIFTERBy Tina Shoa Advisor: Dr. C.ShafaiOutline Electronic Beam Steering Phase Shifters MEMS Phase Shifters Switched line type DMTL type PBG based Reconfigurable ground plane Effect of slot size on phase shift Effect of membrane deflection on phase shift Fabricated structure Experimental result SummaryReconfigurable Defected ground Phase Shifter Electronic Beam SteeringApplicationReconfigurable wireless and satellite communication. radars.Advantages over mechanically scanned antenna.Fast scanning. Eliminating mechanical complexity. More reliable.Fig.1Electronic beam steeringVarying the Phase between adjacent elements. Using phase shifters and operating at a fixed freque……