基于多模谐振器的三频带滤波器,用于WLAN、智能交通系统、卫星通信和x波段应用

Prashant Ranjan, Surjit Sur, Vishal Kumar Pandey
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引用次数: 2

摘要

本文提出了一种紧凑的三带滤波器。通过上下连接到多模谐振器(MMR)的两个stub,实现了低插入损耗和三频带特性。提出的三频带滤波器在4.25 GHz、6.78 GHz、9.06 GHz、10.75 GHz和12.85 GHz提供5个传输零点(TZs),允许对每个频带进行独立控制,并避免5.3 GHz、7.8 GHz和10.3 GHz谐振频率频带之间的干扰。该滤波器实现了5.22 GHz ~ 6.13 GHz、7.63 GHz ~ 8.41 GHz和10.29 GHz ~ 10.42 GHz三个频段。第一频段用于无线局域网(WLAN)和智能交通系统(ITS),第二频段用于卫星通信,第三频段分别用于X波段应用。该滤波器在Arlon 25N衬底($\varepsilon_{r}$ = 3.38,厚度= 1.524 mm)上实现。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Multiple Mode Resonator Based Triple Band Filter for WLAN, Intelligent Transportation System, Satellite Communication and X-Band Applications
A compact triple band filter is proposed in this paper. Low insertion loss and triple band characteristics are achieved by two stubs connected up and down to the multi mode resonator (MMR). The proposed triple-band filter offers five transmission zeroes (TZs) at 4.25 GHz, 6.78 GHz, 9.06 GHz, 10.75 GHz and 12.85 GHz to allow for independent control of each frequency band and avoid the interference between bands at resonant frequency of 5.3 GHz, 7.8 GHz and 10.3 GHz. Proposed filter achieved three bands from 5.22 GHz to 6.13 GHz, 7.63 to 8.41 GHz and 10.29 GHz to 10.42 GHz. First band is used for wireless local area network (WLAN) and Intelligent Transportation System (ITS), second frequency band is used for satellite communication and third frequency band is used for X- band applications respectively. The filter is realized on an Arlon 25N substrate ($\varepsilon_{r}$ = 3.38 and thickness = 1.524 mm).
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