A Compact and Broadband Directional Coupler for High-Power Radio Frequency Applications

被引：10
|
作者：
Wang, Zheng-Bin [1 ]
Wei, Xin [1 ]
Fang, Han-Ping [2 ]
Zhang, Hua-Mei [1 ]
Zhang, Ye-Rong [1 ]
机构：
[1] Nanjing Univ Posts & Telecommun, Coll Elect & Opt Engn, Nanjing 210023, Peoples R China
[2] Nanjing Res Inst Elect Technol, Nanjing 210039, Peoples R China
来源：
IEEE MICROWAVE AND WIRELESS COMPONENTS LETTERS | 2020年 / 30卷 / 02期
基金：
中国国家自然科学基金;
关键词：
Coaxial cable; coupler; equalizer; high power;
D O I：
10.1109/LMWC.2020.2964672
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
In this letter, a compact and broadband directional coupler is proposed for high-power radio frequency applications in the frequency band of 5-150 MHz. The coupler is composed of a suspended semiflexible coaxial cable and a series of equalizers composed of lumped components. Such design exhibits excellent performance in high power handling capacity (similar to kW), high directivity (similar to 35 dB), low return loss (>20 dB), and flat coupling coefficient (45 +/- 1.3 dB).
引用
收藏
页码：164 / 166
页数：3
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