High isolation diplexer using stub-loaded resonators

被引：2

作者：

Li, Xuan-Tan ^{[1
]}

Cheng, Fei ^{[1
]}

Lu, Ping ^{[1
]}

Huang, Kama ^{[1
]}

机构：

[1] Sichuan Univ, Coll Elect & Informat Engn, Minist Educ, Key Lab Wireless Power Transmiss, Chengdu 610065, Sichuan, Peoples R China

来源：

ELECTRONICS LETTERS | 2019年 / 55卷 / 14期

基金：

中国国家自然科学基金;

关键词：

D O I：

10.1049/el.2019.1201

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 reports a high isolation diplexer using stub-loaded resonators (SLRs). Each SLR can generate one transmission pole and one transmission zero (TZ). By changing the length of the open stub, the frequency of the TZ can be adjusted. The upper channel filter using the capacitive coupled SLRs can have TZs above the passband, while the lower channel filter using inductive coupled SLRs can have TZs below the passband. With those TZs, the isolation of the diplexer is greatly improved. A high isolation diplexer is designed and fabricated to validate the design concept.

引用

页码：800 / +

页数：2

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