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

页码：164 / 166

页数：3

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