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Modeling and design of the novel MEMS phase shifter for Ka band applications

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5 Author(s)
Bo-shi Jin ; Sch. of Electron. & Inf. Technol., Harbin Inst. of Technol., China ; Qun Wu ; Hao-yuan She ; Jia-Hui Fu
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The paper presents a model which describes the stage circuit of a distributed MEMS transmission line (DMTL) phase shifter at Ka band and an approach for DMTL design utilizing the saw-shaped coplanar waveguide (SCPW). The results of circuit simulation and full wave analysis prove that the model is in good agreement with theoretical analysis. The model can effectively simplify the design complexity after optimization. Simulation results show that S11 and S21 can achieve -20 dB and -2.5 dB, respectively, at Ka band. Comparing with literature data, it has been predicted that S11 improves about 8 dB.

Published in:

Antennas and Propagation Society International Symposium, 2005 IEEE  (Volume:1A )

Date of Conference:

3-8 July 2005