A Novel MEMS Tunable Capacitor

Siyuan He, R. Mrad
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引用次数: 7

Abstract

A novel MEMS tunable capacitor with a high tuning ratio is presented in this paper. The novel tunable capacitor consists of two parallel electrodes, i.e., fixed and moving electrodes and six bi-directional electrostatic actuators, which are able to produce both attractive and repulsive force to drive the moving electrode. So the novel tunable capacitor is able to move in both directions, up and down, away form its static position and therefore achieve a large tuning ratio. Numerical simulations are used to verify the working principle of the novel tunable capacitor and predict that a tuning ratio of 3:1 can be achieved at a driving voltage of 16 volts.
一种新型MEMS可调谐电容器
提出了一种具有高调谐比的新型MEMS可调谐电容器。该新型可调谐电容器由两个平行电极组成,即固定电极和运动电极,以及6个双向静电致动器,这些致动器能够产生吸引力和排斥力来驱动运动电极。因此,新型可调谐电容器能够在上下两个方向上移动,远离其静态位置,从而实现大的调谐比。通过数值仿真验证了新型可调谐电容器的工作原理,并预测在16伏驱动电压下可实现3:1的调谐比。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
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