Abstract
Abstract This is a unique design and performance review of bridge model Radio Frequency (RF) MEMS switch accompanied by perforations and uniform meanders are presented. This paper is mainly focused on reducing the pull-in (Vp) voltage and increasing the isolation of RF shunt switch. Electromechanical and Electromagnetic analysis is done by utilizing FEM and HFSS tools. With changing the different beam materials, thickness and gap from the beam to dielectric signal and to compute the spring constant (K) and pull-in (Vp) voltage. The perforations and meanders are used for reduction in pull-in (Vp) voltage, and it is obtained as 18.5 V, the up state and downstate switching capacitance is reported as 5.12Ff and 3.27 pF. The switch exhibits good switching time is 2.5 µs. The RF-analysis is getting tremendous results like return los at −38.60 dB, insertion loss of the suggested type switch is at −0.1177 Decibels, and the isolation has been maintained as −37.20 dB at 8 GHz frequency. The performance of bridge type switch is shown at 8 to 12 GHz (X-band) frequency. So, the bridge type switch is pertinent for low frequencies like satellite and military needs.
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