Dual-band step-impedance bandpass filter for multimode wireless LANs

被引：163

作者：

Chang, SF ^{[1
]}

Jeng, YH ^{[1
]}

Chen, JL ^{[1
]}

机构：

[1] Natl Chung Cheng Univ, Ctr Telecommun Res, Dept Elect Engn, Chiayi, Taiwan

来源：

ELECTRONICS LETTERS | 2004年 / 40卷 / 01期

关键词：

D O I：

10.1049/el:20040065

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 step-impedance bandpass filter is presented for multimode wireless LANs. The filter has a new dual-band feature of two tunable passbands at desired frequencies and high out-of-band suppression, generated by incorporating step-impedance resonators in a comb-filter topology. It saves more than half the circuit size compared with the switch-type dual-band topology. The simulation and measurement results show the dual-band feature of two passbands at 2.45 and 5.75 GHz with 85 dB suppression at 3.5 GHz.

引用

页码：38 / 39

页数：2

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