A Compact E-Plane Four-Port Junction Circulator

被引：0
|
作者：
Deng G. [1 ]
Guo L. [1 ]
Li J. [1 ]
Huang W. [1 ]
Shao H. [1 ]
Ba T. [1 ]
Xie S. [1 ]
Jiang Y. [1 ]
机构：
[1] Science and Technology on High Power Microwave Laboratory, Northwest Institute of Nuclear Technology, Xi'an
来源：
IEEE Microwave and Wireless Components Letters | 2019年 / 29卷 / 10期
关键词：
Circulator; four-port; high-power capacity; isolation;
D O I：
10.1109/LMWC.2019.2937865
中图分类号：
学科分类号：
摘要：
A compact E -plane four-port junction circulator is proposed in this letter. It consists of an X-shape waveguide junction, two X-shape ferrite disks with fillets, and several matching metal posts. Based on the combinations of the TM210 and degenerate TM±110 modes, a four-port gyromagnetic resonator is realized. By introducing the tuning elements, the bandwidth is improved. Measurements show that from 8 to 9 GHz, the return loss is better than 18 dB, the isolation is better than 17 dB, and the insertion loss is 0.3-0.6 dB. Measurements agree well with the simulations. Its cross-sectional size is less than 0.86lambda times 0.72lambda at 8.5 GHz. High-power test shows that its pulsed power capacity is no less than 28 kW. © 2001-2012 IEEE.
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页码：655 / 658
页数：3
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