High-Selectivity Tunable Bandpass Filters with Low Insertion loss

被引：0
|
作者：
Hasegawa, Kohei [1 ]
Ishida, Hitoshi [1 ]
机构：
[1] Gunma Natl Coll Technol, Adv Prod Syst Engn Course, 580 Triba machi, Maebashi, Gunma, Japan
来源：
2010 ASIA-PACIFIC MICROWAVE CONFERENCE | 2010年
关键词：
Bandpass Filters; Tunable Filters; Capacitors; Varactors;
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 paper presents a varactor-tuned tunable bandpass filter (TBPF) with two movable transmission zeros. The TBPF consists of a pair of frequency-tunable shunt resonant circuits at upper and lower side of the passband frequency. Varactors loaded at the gap of hairpin resonator. The equation for the transmission zeros are derived from the analysis of a transmission line. The TBPF is designed and tested at 2GHz. The theoretical analysis and design procedures have been successfully verified by experiments.
引用
收藏
页码：1130 / 1133
页数：4
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