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This paper proposes two innovative solutions for the exploitation of MEMS and Liquid Crystal (LC) technology in mm-wave electronic scanning reflectarrays: a MEMS-only approach, where the switches are used to obtain reconfigurable elementary cells with 1-bit of phase resolution and a LC/MEMS combined solution, able to provide a continuous phase-shift up to 180°.
In this paper we present a continuously tunable phase shifter realized in MEMS technology. Varactors with liquid crystals as a tunable dielectric layer underneath gold bridges are utilized to build a loaded line phase shifter. Measurements show that the phase shifter has a differential phase shift of 92°, a figure of merit (FoM) of 42°/dB and an input matching of −19 dB at 76 GHz. The realized phase...
In this paper we present a continuously tunable phase shifter realized in MEMS technology. Varactors with liquid crystals as a tunable dielectric layer underneath gold bridges are utilized to build a loaded line phase shifter. Measurements show that the phase shifter has a differential phase shift of 92°, a figure of merit (FoM) of 42°/dB and an input matching of −19 dB at 76 GHz. The realized phase...
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