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首页> 外文期刊>Optical and quantum electronics >Self-coupled dual-mode ring resonator with turning transmission zeros in microwave bandpass filter for planar metamaterial: analysis and design
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Self-coupled dual-mode ring resonator with turning transmission zeros in microwave bandpass filter for planar metamaterial: analysis and design

机译：平面超材料用微波带通滤波器中具有零透射转换的自耦合双模环形谐振器：分析和设计

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摘要

An H-shape dual-mode closed resonator with self-coupled segments is reported. The self-coupling between ring segments renders an equivalent mode perturbation effect as the normal ways of adding stub, cutting notch, or varying line impedance to the ring resonator. The mode perturbation and transmission-zero generation from the self-coupling effect and step-impedance were analyzed using the even-odd mode theory. By regulating the impedance ratio and coupling coefficients of self-coupled sections, the self-coupled ring resonator can produce either the capacitive or inductive perturbation. The input and output positions affect the number and locations of transmission zero. The positions of input and output ports are properly selected. In the capacitive perturbation case, when the two transmission zeros are located on both sides of the passband, and bring about a pseudo-elliptic bandpass response. The analysis of finding optimized taping positions of input and output ports is proposed. Comparing to the regular uniform ring resonator, the H-shaped self-coupled ring resonator has shorter ring length, is easily to be folded and does not destroy the dual-mode characteristics. The feature of compact size is favorable in the design of a bandpass filter. A 2.45-GHz bandpass filter based on the H-shaped self-coupled ring resonator was performed to verify the proposed theory. A schematic bandpass filter was implemented with a compact size which is only 20% of the conventional dual-mode bandpass filter.
机译：报道了具有自耦合段的H形双模闭合谐振器。环形段之间的自耦合产生了与向环形谐振器添加短截线，切槽或改变线路阻抗的常规方式相同的模式扰动效果。利用奇偶模理论分析了自耦合效应和阶跃阻抗引起的模态扰动和零传输。通过调节自耦合部分的阻抗比和耦合系数，自耦合环形谐振器会产生电容性或电感性扰动。输入和输出位置会影响变速器零位的数量和位置。输入和输出端口的位置已正确选择。在电容性扰动情况下，当两个传输零位于通带的两侧时，会产生伪椭圆带通响应。提出了寻找输入和输出端口的最佳编带位置的分析方法。与常规的均匀环形谐振器相比，H形自耦合环形谐振器具有较短的环形长度，易于折叠且不会破坏双模特性。尺寸紧凑的特征在带通滤波器的设计中是有利的。基于H形自耦合环形谐振器的2.45 GHz带通滤波器被执行以验证所提出的理论。原理图带通滤波器的尺寸紧凑，仅为传统双模带通滤波器的20％。

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  • 来源
    《Optical and quantum electronics》 |2017年第8期|283.1-283.15|共15页
  • 作者

    Ching-Chien Cheng; Kong-Xin Cheng; Huang-Kuang Kung; Chin-Yu Wang; Yng-Huey Jeng; Sheng-Lung Tu; Chun-Chieh Huang;

  • 作者单位

    Institute of Mechatronics Engineering, Cheng Shiu University, Kaohsiung City, Taiwan;

    Institute of Mechatronics Engineering, Cheng Shiu University, Kaohsiung City, Taiwan;

    Institute of Mechatronics Engineering, Cheng Shiu University, Kaohsiung City, Taiwan;

    Institute of Mechatronics Engineering, Cheng Shiu University, Kaohsiung City, Taiwan;

    Department of Electronic Engineering, National Formosa University, Yunlin, Taiwan;

    Department of Resources Engineering, National Cheng Kung University, Tainan, Taiwan;

    Department of Electrical Engineering, Cheng Shiu University, Kaohsiung, Taiwan;

  • 收录信息 美国《科学引文索引》(SCI);美国《工程索引》(EI);
  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类
  • 关键词

    Bandpass filter; Dual-mode; Ring resonator; Even-odd mode; Self-coupled; Metamaterial;

    机译：带通滤波器双模式;环形谐振器;奇偶模式;自耦合;超材料;

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