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基于谐振器慢波传输线的小型化宽阻带谐波抑制功分器

黄文 李靓 董金生 谭菲 任仪

黄文, 李靓, 董金生, 谭菲, 任仪. 基于谐振器慢波传输线的小型化宽阻带谐波抑制功分器[J]. 电子与信息学报, 2022, 44(10): 3666-3672. doi: 10.11999/JEIT210781
引用本文: 黄文, 李靓, 董金生, 谭菲, 任仪. 基于谐振器慢波传输线的小型化宽阻带谐波抑制功分器[J]. 电子与信息学报, 2022, 44(10): 3666-3672. doi: 10.11999/JEIT210781
HUANG Wen, LI Liang, DONG Jinsheng, TAN Fei, REN Yi. Compact Power Divider with Ultra-wide Stopband for Harmonic Suppression Based on Resonator Slow-wave Transmission Line[J]. Journal of Electronics & Information Technology, 2022, 44(10): 3666-3672. doi: 10.11999/JEIT210781
Citation: HUANG Wen, LI Liang, DONG Jinsheng, TAN Fei, REN Yi. Compact Power Divider with Ultra-wide Stopband for Harmonic Suppression Based on Resonator Slow-wave Transmission Line[J]. Journal of Electronics & Information Technology, 2022, 44(10): 3666-3672. doi: 10.11999/JEIT210781

基于谐振器慢波传输线的小型化宽阻带谐波抑制功分器

doi: 10.11999/JEIT210781
基金项目: 国家自然科学基金(61871063)
详细信息
    作者简介:

    黄文:女,博士,副教授,研究方向为射频微波电路与天线

    李靓:男,硕士,研究方向为射频微波电路

    董金生:男,硕士,副研究员,研究方向为射频微波电路与天线

    谭菲:女,硕士,讲师,研究方向为射频微波电路

    任仪:男,博士,教授,研究方向为射频微波电路与天线、电磁数值计算

    通讯作者:

    黄文 huangwen@cqupt.edu.cn

  • 中图分类号: TN626

Compact Power Divider with Ultra-wide Stopband for Harmonic Suppression Based on Resonator Slow-wave Transmission Line

Funds: The National Natural Science Foundation of China (61871063)
  • 摘要: 该文提出一种基于谐振器慢波传输线的小型化宽阻带谐波抑制功分器,该谐振器慢波传输线由矩形谐振器、T型谐振器和蛇形线构成,来取代功分器中的1/4波长传统微带传输线。所设计制作的功分器,其尺寸仅为传统微带功分器的37.4%。实验结果表明,该功分器回波损耗大于10 dB的带宽范围为0.1~1.19 GHz,在2.2~11.05 GHz频率范围内衰减大于20 dB,具有较宽的阻带从而具有抑制谐波效果。仿真和测试结果较为吻合,验证了所提设计方法的有效性。
  • 图  1  谐振器慢波传输线及其等效电路

    图  2  两种谐振器加载于微带线上

    图  3  加载两种谐振器的|S21|仿真结果

    图  4  谐振器慢波传输线结构与等效电路仿真结果

    图  5  功分器结构图及实物图

    图  6  功分器仿真和测试结果

    图  7  传统功分器结构和仿真结果

    表  1  最终优化得到的谐振器慢波传输线尺寸(mm)

    参数尺寸参数尺寸参数尺寸参数尺寸
    wb0.2wh0.2la0.6le3.2
    wc3.0wi0.8lc11.6lf1.2
    we0.4wj0.2ld2.4lg5.9
    wg0.2wk4.2s10.2s20.2
    下载: 导出CSV

    表  2  谐振器慢波传输线等效电路元件值

    元件参数值(nH)元件参数值(pF)元件参数值(pF)
    Ls13.06Cs10.34Cr21.53
    Ls23.73Cs20.09Cp10.35
    Ls34.17Cs30.09Cp21.64
    Lr11.94Cs40.16Ch0.08
    Lr21.35Cr10.34
    下载: 导出CSV

    表  3  与几款小型化谐波抑制功分器的性能对比

    文献中心频率f0 (GHz)尺寸–10 dB
    带宽(%)
    中心频点处20 dB谐波
    抑制范围
    |S11|(dB)|S21|, |S31|(dB)|S32|(dB)
    [12]1.950.12 λg×0.10 λg71.0–18.0–3.10, –3.10–35.02.5f0~5.3f0
    [13]1.300.15 λg×0.20 λg69.2–15.0–3.47, –3.47–12.01.3f0~5.0f0
    [14]1.800.12 λg×0.14 λg70.6–20.4–3.01, –3.01–34.61.7f0~6.0f0
    [15]1.550.12 λg×0.10 λg87.5–24.0–3.02, –3.02–27.02.1f0~6.7f0
    本文0.900.12 λg×0.11 λg121.1–46.7–3.26, –3.24–35.32.4f0~12.3f0
    下载: 导出CSV
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出版历程
  • 收稿日期:  2021-08-06
  • 修回日期:  2022-06-13
  • 网络出版日期:  2022-06-20
  • 刊出日期:  2022-10-19

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