MEMS Tunable Capacitor With Wide Tuning Range Using Multiple Voltage Sources

被引:0
|
作者
Lavy, Omer [1 ]
Gal, Lior [1 ]
Weicherman, Danny [1 ]
Stolyarova, Sara [1 ]
David, Eyal [1 ]
Saad, Avraam [1 ]
Nemirovsky, Yael [1 ]
机构
[1] Technion Israel Inst Technol, Dept Elect Engn, IL-32000 Haifa, Israel
关键词
MEMS; pull in; varactor;
D O I
暂无
中图分类号
TM [电工技术]; TN [电子技术、通信技术];
学科分类号
0808 ; 0809 ;
摘要
This paper presents a MEMS surface micro-machined varactor. The dynamic range of this class of varactors is governed by pull-in instability which is ideally one-third of the initial gap between the two electrodes. This paper presents a simple T varactor, whose pull-in stability and hence its dynamic range are increased by applying two independent voltage sources. We introduce an electromechanical model for the proposed structure, and a full analytic solution to the attached pull in problem. Our varactor has capacitance ratio of 2.43:1.
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页数:5
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