采用周期结构的可调谐液晶毫米波带通滤波器

2014 IEEE Radio and Wireless Symposium (RWS) Pub Date : 2014-06-12 DOI:10.1109/RWS.2014.6830078

M. Yazdanpanahi, P. Deo, D. Mirshekar-Syahkal

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引用次数: 9

摘要

首次提出了一种应用于毫米波的微带周期结构的可调谐液晶(LC)带通滤波器。在LC默认状态下，它工作在49ghz，大约20%的分数带宽(9ghz)。在0 ~ 10 V的偏置电压下，滤波器的可调谐范围为3.2 GHz，其插入损耗约为4.7 dB。滤波器的尺寸可以缩放以将其工作频率提高到77 GHz，因此，对于60 GHz系统来说是一个很有前途的组件。

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Tunable liquid-crystal millimeter-wave bandpass filter using periodical structure

For the first time, a tunable liquid crystal (LC) bandpass filter using a microstrip periodical structure for applications at millimeter-waves is presented. In the LC default state, it operates at 49 GHz with about 20% fractional bandwidth (9 GHz). The filter tunability range is 3.2 GHz over bias voltages 0 to 10 V and its insertion loss is about 4.7 dB. Dimensions of the filter can be scaled to increase its operating frequency to 77 GHz and hence, is a promising component for 60 GHz systems.

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来源期刊

2014 IEEE Radio and Wireless Symposium (RWS)

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