Design of diplexer-integrated filtering power divider with high isolation

被引:3
作者
Zhu, Chuanming [1 ]
Zhang, Jian [1 ]
机构
[1] Hangzhou Dianzi Univ, Sch Elect Informat, Hangzhou 310018, Zhejiang, Peoples R China
关键词
diplexer; filtering power divider; high isolation; multifunctional circuit; COMPACT;
D O I
10.1002/mop.31937
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
A compact size and high isolation diplexer-integrated filtering power divider (D-IFPD) is presented in this study. The proposed multifunctional circuit consists of one distributed coupling feeding line, two different stub-loaded trimode resonators, and two open-ended three-line parallel coupled lines. With the utilization of the distributed coupling technique, no additional matching circuit is needed for D-IFPD design. The measured results show that the proposed D-IFPD is centered at 1.67/2.17 GHz with 3-dB fractional bandwidths of 18.0%/12.9%, less than 0.73/1.24 dB insertion losses, better than 16.5/15 dB return losses, and higher than 35.9 dB isolation.
引用
收藏
页码:2607 / 2613
页数:7
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