COMPACT DUAL-MODE DUAL-BAND BANDPASS FILTER USING SLOTTED STEPPED-IMPEDANCE RESONATOR

被引：3
|
作者：
Song, Lan [1 ]
Guan, Xuehui [1 ]
Zhang, Xiaoyan [1 ]
机构：
[1] East China Jiaotong Univ, Sch Informat Engn, Nanchang 330013, Peoples R China
来源：
MICROWAVE AND OPTICAL TECHNOLOGY LETTERS | 2014年 / 56卷 / 05期
基金：
美国国家科学基金会;
关键词：
BPF; dual-mode dual-band; slot-loaded resonator; DESIGN;
D O I：
10.1002/mop.28265
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 compact dual-mode dual-band bandpass filter (BPF) is proposed in this article. A T-shaped slot is etched on the center of the low-impedance part of a stepped-impedance resonator, which mainly impact on the pairs of high-order modes of the resonator. By tuning the length and width of the slot, both pairs of dual-modes the resonator can be controlled, implying that the bandwidth of the filter can be controlled. The feed line is folded to fulfill the external coupling of the dual-passband. A dual-band BPF for 2.4 and 3.5 GHz application is designed, fabricated, and measured. Agreements between measured results and the simulated results verify the proposed structure. (c) 2014 Wiley Periodicals, Inc. Microwave Opt Technol Lett 56:1057-1060, 2014
引用
收藏
页码：1057 / 1060
页数：4
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