Full D-Band Superstrate-Enhanced Transition for Rectangular Waveguide-to-PCB Interfacing

IF 0.7 4区工程技术 Q4 ENGINEERING, ELECTRICAL & ELECTRONIC

Electronics Letters Pub Date : 2025-03-20 DOI:10.1049/ell2.70196

Samuel Rimbaut, Kamil Yavuz Kapusuz, Hendrik Rogier, Sam Lemey

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Abstract

A transition from air-filled rectangular waveguide (RWG) to substrate-integrated waveguide (SIW) is proposed that covers the entire D-band (110–170 GHz). Broadband operation is obtained by leveraging a resonant slot and an aperture-coupled patch antenna-in-waveguide, while co-optimisation with a dielectric-loading superstrate matches both resonances to the RWG and ensures full D-band operation. Special attention is devoted to the stringent design restrictions that originate from its implementation in a standard any-layer high density interconnect printed circuit board manufacturing process at D-band frequencies, omitting inductive via posts, to maximise the robustness of the design against fabrication tolerances. Measurements of the RWG-to-SIW transition demonstrate a fractional bandwidth of 46%, effectively covering the entire D-band, while ensuring a low insertion loss of 0.95 $\pm$ 0.15 dB.

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矩形波导- pcb接口的全d波段上层增强过渡

提出了一种覆盖整个d波段（110-170 GHz）的由充气矩形波导（RWG）过渡到基板集成波导（SIW）的方法。宽带操作是通过利用谐振槽和波导中的孔径耦合贴片天线来实现的，而与介电负载叠加层的协同优化将两个谐振与RWG相匹配，并确保全d波段操作。特别注意严格的设计限制，这些限制源于其在d波段频率的标准任意层高密度互连印刷电路板制造过程中的实施，省略电感式通孔，以最大限度地提高设计对制造公差的稳健性。rwg到siw转换的测量表明，分数带宽为46%，有效覆盖整个d波段，同时确保低插入损耗为0.95±$ $\pm$ 0.15 dB。

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来源期刊

Electronics Letters 工程技术-工程：电子与电气

CiteScore

2.70

自引率

0.00%

发文量

268

审稿时长

3.6 months

期刊介绍： Electronics Letters is an internationally renowned peer-reviewed rapid-communication journal that publishes short original research papers every two weeks. Its broad and interdisciplinary scope covers the latest developments in all electronic engineering related fields including communication, biomedical, optical and device technologies. Electronics Letters also provides further insight into some of the latest developments through special features and interviews. Scope As a journal at the forefront of its field, Electronics Letters publishes papers covering all themes of electronic and electrical engineering. The major themes of the journal are listed below. Antennas and Propagation Biomedical and Bioinspired Technologies, Signal Processing and Applications Control Engineering Electromagnetism: Theory, Materials and Devices Electronic Circuits and Systems Image, Video and Vision Processing and Applications Information, Computing and Communications Instrumentation and Measurement Microwave Technology Optical Communications Photonics and Opto-Electronics Power Electronics, Energy and Sustainability Radar, Sonar and Navigation Semiconductor Technology Signal Processing MIMO