期刊
IEEE ACCESS
卷 10, 期 -, 页码 70964-70970出版社
IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
DOI: 10.1109/ACCESS.2022.3186988
关键词
Mechanically tunable; cavity resonator; phase shifter; variable phase shift; GGWG technology
资金
- Gdansk University of Technology [DEC-7/2020/IDUB/I.1]
- Polish National Science Centre [UMO-2019/33/B/ST7/00889]
- NOBELIUM Grant through the Excellence Initiative-Research University'' Program [DEC-7/2020/IDUB/I.1]
This research focuses on the design and realization of high-performance high-power variable phase shifters using groove gap waveguide technology. It is demonstrated that the unique characteristic of groove gap waveguides, which allows proper operation without electrical connection, can be utilized to design mechanically tunable devices. A mechanically tunable cavity resonator and phase shifters with a wide range of achievable phase shifts are proposed. A phase shifter with 540 degrees relative phase shift at 15 GHz is designed, fabricated, and measured to validate the concept. Additionally, a multi-layer version of the proposed phase shifter with stationary feed ports and improved performance is presented.
This research is focused on the design and realization of high-performance high-power variable phase shifters in groove gap waveguide technology. Specifically, it is shown that the unique characteristic of groove gap waveguides, which is its proper operation without the need for electrical connection between the top and bottom sections of the waveguide, can be used to design mechanically tunable devices. Using the proposed method, a mechanically tunable cavity resonator and phase shifters with a wide range of achievable phase shifts are presented. To validate the concept, a phase shifter with 540 degrees relative phase shift at 15 GHz is designed, fabricated, and measured. Moreover, a multi-layer version of the proposed phase shifter with stationary feed ports and improved performance is presented.
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