Please use this identifier to cite or link to this item: https://doi.org/10.1109/INDIN.2008.4618087
Title: Design of RF MEMS phase shifter based on saw-shaped CPW
Authors: Kai, T.
Wu, Q.
Guo-hui, Y.
Xun-jun, H.
Jia-hui, F.
Li, L.-W. 
Issue Date: 2008
Source: Kai, T.,Wu, Q.,Guo-hui, Y.,Xun-jun, H.,Jia-hui, F.,Li, L.-W. (2008). Design of RF MEMS phase shifter based on saw-shaped CPW. IEEE International Conference on Industrial Informatics (INDIN) : 166-170. ScholarBank@NUS Repository. https://doi.org/10.1109/INDIN.2008.4618087
Abstract: The operating principle of the RF MEMS phase shifter is described. Then the equivalent circuit of the MEMS phase shifter has been established and the capacitances of the MEMS bridges in both "up" and "down" state are analyzed. Then the approach of using the saw-shaped CPW to decrease the return loss introduced by the insulation layer is proposed. By using network theory, the circuit simulation tool and CST microwave studio simulation tool, the proposed RF MEMS phase shifter is modeled. Simulation results show that the proposed model has the return loss less than -10dB and the insertion loss more than -2dB in 2GHz bandwidth range. At the same time, for one RF MEMS switch-type bridge, as high as 22.5 degrees phase shift is realized. ©2008 IEEE.
Source Title: IEEE International Conference on Industrial Informatics (INDIN)
URI: http://scholarbank.nus.edu.sg/handle/10635/69872
ISBN: 9781424421718
ISSN: 19354576
DOI: 10.1109/INDIN.2008.4618087
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