Design of a Tunable Bandpass FilterWith the Assistance of Modified Parallel-Coupled Lines

被引：0
|
作者：
Tseng, Chien-Tai [1 ]
Tang, Ching-Wen [1 ]
Chang, Shih-Chieh [1 ]
Lin, Yuan-Chih [2 ]
机构：
[1] Natl Chung Cheng Univ, Dept Commun Engn, Chiayi 621, Taiwan
[2] Met Ind Res & Dev Ctr, Ind Upgrading Serv Dept, Kaohsiung 811, Taiwan
来源：
2013 IEEE MTT-S INTERNATIONAL MICROWAVE SYMPOSIUM DIGEST (IMS) | 2013年
关键词：
Bandpass filter; tunable filter; varactor; RESONATOR;
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：
A tunable bandpass filter with a wide tuning range is presented. The proposed filter is composed of two modified parallel-coupled lines and one varactor-loaded stub. The measured results show that a broad tuning range of 41.7%, from 0.95 to 1.45 GHz, was achieved. Within the tuning range, the insertion loss is from 2.4 to 2.9 dB and the return loss is greater than 15dB.
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页数：3
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