FRACTAL BEAM KU-BAND MEMS PHASE SHIFTER

被引：5

作者：

Jahanbakht, M. ^{[1
]}

Moghaddasi, M. N. ^{[1
]}

Neyestanak, A. A. Lotfi ^{[2
]}

机构：

[1] Islamic Azad Univ, Sci & Res Branch, Tehran, Iran

[2] Islamic Azad Univ, Shahr E Rey Branch, Tehran, Iran

来源：

PROGRESS IN ELECTROMAGNETICS RESEARCH LETTERS | 2008年 / 5卷

关键词：

D O I：

10.2528/PIERL08101703

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：

A micro electromechanical phase shifter base on the fractal geometries is proposed to work at Ku frequency band with at least 23% lower actuation voltage compared with the simple rectangular membrane counterparts. In this design the membrane of the switch is chosen to be a Koch fractal and then a distributed MEMS phase shifter is set up by cascading a distinct number of these switches. This phase shifter is analyzed to obtain its parameters such as differential phase shift, group delay, and insertion and return loss. It will be shown that this phase shifter could be used as a low loss and multi bit phase shifter system because of its low insertion loss and power consumption.

引用

页码：73 / 85

页数：13

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