A Wideband SICL-to-Waveguide Transition for Multilayer Planar Circuit Applications at V-Band

A Wideband SICL-to-Waveguide Transition for Multilayer Planar Circuit Applications at V-Band
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V 波段多层平面电路应用的宽带 SICL 到波导过渡

DOI:
10.1109/lmwc.2022.3167742
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发表时间:
2022-09
影响因子:
3
通讯作者:
Guo Qing Luo
Guo Qing Luo
中科院分区:
工程技术2区
文献类型:
--
作者:
Qingquan Tan;Kuikui Fan;Fang Zhu;Xiwang Dai;Yahui Qian;Guo Qing Luo

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提出了一种V波段基片集成同轴线(SICL)到矩形波导(RWG)的过渡结构.在设计中,采用了折叠振子结构,使结构更加紧凑,在工作频带内实现了更好的阻抗匹配。与其他基于单层衬底的过渡结构相比,该设计更适合于混合多层电路。为了验证,采用标准多层印刷电路板工艺制作了背靠背过渡原型,并进行了测量。测量结果表明,该过渡具有宽的-10-dB阻抗带宽为40%(从50到75 GHz),插入损耗低于4 dB的工作带宽。由于紧凑的尺寸和宽的工作带宽,所提出的过渡是有价值的先进的毫米波(mmW)电路系统。
A $V$ -band substrate integrated coaxial line (SICL) to rectangular waveguide (RWG) transition is proposed in this letter. In this design, a folded dipole is used to achieve a more compact structure and better impedance matching in the operating band. Compared with other transitions based on single-layer substrates, this design is more suitable for mixed multilayer circuits. For verification, a back-to-back transition prototype is fabricated by standard multilayer printed circuit boards processing and measured. The measured results show that the proposed transition has a wide −10-dB impedance bandwidth of 40% (from 50 to 75 GHz), and an insertion loss of lower than 4 dB over the operating bandwidth. Owing to compact size and wide operating bandwidth, the proposed transition is valuable to advanced millimeter-wave (mmW) circuit systems.
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