期刊
IEEE TRANSACTIONS ON MICROWAVE THEORY AND TECHNIQUES
卷 69, 期 4, 页码 2165-2177出版社
IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
DOI: 10.1109/TMTT.2021.3057644
关键词
Circulators; Ferrites; Surface waves; Saturation magnetization; Mathematical model; Magnetic tunneling; Conductors; Artificial magnetic conductor (AMC) surface; circulators; electromagnetic bandgap (EBG); ferrite; perfect electric conductor (PEC); ridge gap waveguide (RGW)
A Y-junction circulator based on RGW with a matching bandwidth covering the entire Ku-band was designed and validated using a substrate perforation technique. The prototype showed satisfactory agreement with simulated results.
A Y-junction circulator based on the ridge gap waveguide (RGW) as a hosting guiding structure is designed using a developed closed-form systematic procedure. To validate the structure, an air-filled-to-dielectric-filled transition is proposed using a substrate perforation technique. The proposed RGW circulator covers the whole Ku-band with a matching bandwidth throughout the operational bandwidth below -15 dB. A prototype is fabricated and tested, providing a satisfactory agreement with the simulated results.
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