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A Waveguide Switch Based on Contactless Gap Waveguide Technology
IEEE Microwave and Wireless Components Letters ( IF 2.374 ) Pub Date : 2019-11-12 , DOI: 10.1109/lmwc.2019.2950164
Jalaledin Tayebpour; Behzad Ahmadi; Mojtaba Fallahzadeh; Omid Shekoofa; Abdorreza Torabi

A novel dual-pole dual-throw (DPDT) waveguide switch is proposed for high-power and low-loss applications. The proposed DPDT was designed based on the contactless properties of the gap waveguide technologies in the Ku frequency band. The DPDT was composed of two concentric contactless cylinders. Standard rectangular waveguide ports (WR 75) and waveguide paths are machined in the middle of these cylinders. The rotational movement of the inner cylinder is realized using two bearings in the top and bottom of the DPDT. The proposed structure is fabricated and the measured results are in good agreement with the simulated ones. The measured insertion loss and return loss for the aligned ports are better than 0.1 and 25 dB in the frequency band ranging from 11 to 13.5 GHz, respectively, and the measured isolation between two adjacent ports is better than 60 dB.
更新日期:2020-01-04

 

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