Wide-band Quadrature Power Divider with π-type Compensation Circuit

被引：0

作者：

Tae, Hyun-Sung ^{[1
]}

Lee, Wang-Sang ^{[1
]}

Khang, Seung-Tae ^{[1
]}

Oh, Kyoung-Sub ^{[1
]}

Yu, Jong-Won ^{[1
]}

机构：

[1] Korea Adv Inst Sci & Technol, Dept Elect Engn, Taejon 305701, South Korea

来源：

2013 EUROPEAN MICROWAVE CONFERENCE (EUMC) | 2013年

关键词：

Wide-band circuit; Quadrature power divider; Circular polarization; POLARIZED PATCH ANTENNA; LINE HYBRIDS; BRANCH-LINE;

D O I：

暂无

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：

This letter presents a wide-band quadrature power divider with pi type compensation circuit. The proposed quadrature power divider consists of two lambda(g)/4 short stubs to maintain 90 degrees phase difference in operation band and series resonance circuit to compensate amplitude mismatches with short stub followed by Wilkinson power divider. The proposed structure is designed by analysis of the equivalent circuit and optimized by simulation. The experimental results show that the band-width of 10 dB return-loss at input and output port is 1.2 GHz (0.8 similar to 2.0 GHz, 85.7%), output port isolation is more than 10 dB and amplitude/phase imbalances are less than 0.5dB/ +/- 5 degrees in the frequency range.

引用

页码：148 / 150

页数：3

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