A Compact Circular Stepped Impedance Wide-Band Bandpass Filter using Multiple-Mode Resonator

被引：0
|
作者：
Shome, Partha Pratim [1 ]
Panda, Jyoti Ranjan [1 ]
机构：
[1] Kalinga Inst Ind Technol, Sch Elect Engn, Bhubaneswar, India
来源：
2017 INTERNATIONAL CONFERENCE ON COMMUNICATION AND SIGNAL PROCESSING (ICCSP) | 2017年
关键词：
Bandpass Filter (BPF); circular stepped impedance stubs; group delay; insertion loss; inter-digital coupled lines; multiple-mode resonator (MMR); return loss; ultra-wideband (UWB); BROAD-BAND;
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：
In this work, a novel wideband bandpass filter is introduced. This contribution employs multiple-mode resonator (MMR) to design the bandpass filter with focus on achieving compact size and good filter performance. Three circular impedance open stubs are used in the proposed filter structure which constitute the MMR. The stepped impedance stubs are placed in shunt to a microstrip line with high impedance. The input and output sides contains two inter-digital coupled lines which enhances the degree of coupling. The return loss is measured higher than 15.0 dB in the passband 4.82 to 12.30 GHz. The prototype also exhibits a fractional bandwidth of 87.3%. Theoretical realization of the demonstrated filter manifests a good wideband bandpass behavior with optimized dimensions.
引用
收藏
页码：376 / 379
页数：4
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