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首页> 外文期刊>Applied Computational Electromagnetics Society journal >Miniaturized Wideband Bandpass Filter based on Capacitor-loaded One-eighth Wavelength Coupled Line
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Miniaturized Wideband Bandpass Filter based on Capacitor-loaded One-eighth Wavelength Coupled Line

机译：基于电容负载1八波长耦合线的小型化宽带带通滤波器

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摘要

A novel miniaturized wideband bandpass filter (BPF) using capacitor-loaded microstrip coupled line is proposed. The capacitors are loaded in parallel and series to the coupled line, which makes the filter just require one one-eighth wavelength coupled line and achieve filtering response with multiple transmission poles (TPs) and transmission zeros (TZs). Compared with the state-of-the-art microstrip wideband BPFs, the proposed filter has the advantages of compact size and simple structure. A prototype centered at 1.47 GHz with the 3-dB fractional bandwidth of 86.5% is demonstrated, which exhibits the compact size of 0.003 lambda(g)(2) (lambda(g) is the guided wavelength at the center frequency) and the minimum insertion loss of 0.37 dB.
机译：提出了一种使用电容器加载微带耦合线的新型小型化宽带带通滤波器（BPF）。 电容器并联加载并串联到耦合线，这使得过滤器只需要一个第八波长耦合线并实现多个传输极（TPS）和传输零（TZS）的滤波响应。 与最先进的微带宽带BPF相比，所提出的过滤器具有紧凑且结构简单的优点。 以1.47GHz为中心的原型，具有86.5％的3dB分数带宽，其表现出0.003λ（g）（2）（Lambda（g）是中心频率的导向波长）和最小值 插入损耗为0.37 dB。

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  • 来源
  • 作者

    Shi Jin; Dong Jiancheng; Xu Kai; Zhang Lingyan;

  • 作者单位

    Nantong Univ Sch Informat Sci & Technol Nantong 226019 Peoples R China|Nantong Res Inst Adv Commun Technol Nantong 226019 Peoples R China|Nantong Univ Res Ctr Intelligent Informat Technol Nantong 226019 Peoples R China;

    Nantong Univ Sch Informat Sci & Technol Nantong 226019 Peoples R China;

    Nantong Univ Sch Informat Sci & Technol Nantong 226019 Peoples R China|Nantong Res Inst Adv Commun Technol Nantong 226019 Peoples R China|Nantong Univ Res Ctr Intelligent Informat Technol Nantong 226019 Peoples R China;

    Nantong Univ Sch Informat Sci & Technol Nantong 226019 Peoples R China|Nantong Res Inst Adv Commun Technol Nantong 226019 Peoples R China|Nantong Univ Res Ctr Intelligent Informat Technol Nantong 226019 Peoples R China;

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  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类
  • 关键词

    Bandpass filter; capacitors; coupled line; miniaturized; wideband;

    机译：带通滤波器;电容;耦合线;小型化;宽带;

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