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In this paper, novel RF distributed MEMS transmission line (DMTL) phase shifters based on rectangular and arched bridge-like coplanar waveguides (rec-BCPW and arc-BCPW) structure are proposed and the comparison of their configuration and RF performance is also presented. A CST software is used for the modeling, simulation and optimization from 30 to 40 GHz. Simulation and optimization results show...
The phase shift features of the RF MEMS phase shifter are described. The approach of adding an insulation layer below the RF MEMS bridge to increase phase shift and improve reliability is proposed, in addition, the saw-shaped CPW is used to decrease the return loss introduced by the insulation layer. By using network theory and CST microwave studio simulation tool, the proposed RF MEMS phase shifter...
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