Compact Dual-band Bandpass Filter Using Stepped Impedance Resonators

被引：0
|
作者：
Wei, Xubo [1 ]
Ding, Bo [1 ]
Yue, Guotao [1 ]
Wang, Chao [1 ]
He, Zetao [2 ]
Shi, Yu [2 ]
机构：
[1] Univ Elect Sci & Technol China, Res Inst Elect Sci & Technol, Chengdu 610054, Peoples R China
[2] Univ Elect Sci & Technol China, State Key Lab Elect Thin Films & Integrated Devic, Chengdu 610054, Peoples R China
来源：
2014 15TH INTERNATIONAL CONFERENCE ON ELECTRONIC PACKAGING TECHNOLOGY (ICEPT) | 2014年
关键词：
BPF; SIRs; transmission zeros; WLAN; DESIGN;
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 modified lambda/4 stepped impedance resonator (SIR) is proposed, in which a shunt open stub is loaded between the low impedance line and high impedance line of a conventional lambda/4 SIR. Based on this modified lambda/4 SIR, a compact dual-band bandpass filter (BPF) with high selectivity is presented. Two transmission zeros (TZs) are generated near each passband for high selectivity. To demonstrate this method, a 2.4/5.2 GHz dual-band BPF for WLAN application has been designed, fabricated and measured. The measurement result shows four finite TZs in the stopband, located at 1.82, 3.14, 5.35, and 7.63GHz, respectively. The circuit only occupies 0.06 lambda gx0.09 lambda g.
引用
收藏
页码：1299 / 1301
页数：3
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