A broadband waveguide to substrate integrated coaxial line (SICL) transition for w-band applications
A broadband waveguide to substrate integrated coaxial line (SICL) transition for w-band applications
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发表时间：
2014-11
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通讯作者：
Mei Jiang;W. Hong;Yan Zhang;Hao Zhou
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作者：
Mei Jiang;W. Hong;Yan Zhang;Hao Zhou
提出了一种从空气填充矩形波导到衬底集成同轴线(SICL)的垂直过渡，以实现毫米波宽带工作。采用阶梯式SICL和矩形贴片探头来改善所提出的转换的阻抗匹配。对尺寸参数进行了分析，以考察过渡的稳健性和可制造性。采用多层印制板工艺实现了工作在W波段(75-110 GHz)的背靠背转换样机。测量结果与仿真结果吻合较好，在91.8 GHz处，S11的频带宽度为20%，小于−14d B，插入损耗为1.7d B。
In this paper, a vertical transition from the air-filled rectangular waveguide to the substrate integrated coaxial line (SICL) is proposed for wideband operation in millimeter-wave band. A stepped SICL and a rectangle patch probe are introduced to improve impedance matching of the proposed transition. Analysis of dimension parameters is developed to investigate the robustness and manufacturability of the transition. A back-to-back transition prototype operating at W-band (75–110GHz) is realized by multi-layer PCB process. The measured results agree well with the simulation results, which exhibit a frequency bandwidth of 20% for S11 less than −14 dB and an insertion loss of 1.7dB at 91.8GHz.