一种紧缩结构的新型毫米波基片集成波导滤波器
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TN713

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国家自然科学基金重大项目(60390540)第七子课题的资助


NOVEL MILLIMETER WAVE SUBSTRATE INTEGRATED WAVEGUIDE FILTER WITH COMPACT CONFIGURATION
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    摘要:

    提出了一种紧缩结构的新型毫米波基片集成波导(SIW)滤波器,在结构紧缩的同时性能得到了显著改善,在设计的一组SIW毫米波滤波器中,长度从传统滤波器的23.1mm压缩到新型滤波器的12mm.测试结果显示新型滤波器阻带衰减大于54dB,相对于性能相近的传统SIW滤波器改善12dB以上.具有超过50dB衰减的阻带宽度超过9GHz.上边带过渡特性更陡,同时仍保持了传统SIW滤波器所具有的陡峭下边带特性和低损耗特性.

    Abstract:

    A novel millimeter wave substrate integrated waveguide(SIW) filter with compact configuration was presented.Its performance is improved apparently while the configuration is compacted.In the designed millimeter wave SIW filters,the length is reduced from 23.1mm of traditional filter to 12mm of novel filter.Measured results show that the stopband rejection of novel filters is more than 54dB,improved at least 12dB compared to the traditional filter with similar performance.The bandwidth of stopband with rejection better than 50dB has been expanded to more than 9GHz.It has a sharper transition characteristic at the upper sideband but still keeps the sharp transition characteristic at the lower sideband and low insertion loss,of the traditional SIW filter.

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汤红军 洪伟.一种紧缩结构的新型毫米波基片集成波导滤波器[J].红外与毫米波学报,2006,25(2):139~142]. TANG Hong-Jun, HONG Wei. NOVEL MILLIMETER WAVE SUBSTRATE INTEGRATED WAVEGUIDE FILTER WITH COMPACT CONFIGURATION[J]. J. Infrared Millim. Waves,2006,25(2):139~142.]

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  • 收稿日期:2005-07-13
  • 最后修改日期:2005-09-28
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