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An ultra-wide stopband lowpass filter using a cross-diapason-shaped defected ground structure

被引：0
|
作者：
Weng, Ro-Min [1 ]
Cheng, Shih-Ming [1 ]
Hsiao, Pai-Yi [1 ]
Chang, Yin-Hsin [1 ]
机构：
[1] Natl Dong Hwa Univ, Dept Elect Engn, Hualien 97401, Taiwan
来源：
2008 IEEE TOPICAL MEETING ON SILICON MONOLITHIC INTEGRATED CIRCUITS IN RF SYSTEMS, DIGEST OF PAPERS | 2008年
关键词：
defected ground structure (DGS); lowpass filter (LPF); ultra-wide stopband;
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：
An ultra-wide stopband lowpass filter (LPF) based on the defected ground structure (DGS) is presented in this paper. The proposed LPF is comprised of a cross-diapason-shaped (CDS) pattern along with two dumbbell-shaped pattern DGS. The substrate material is FR4 with dielectric constant of 4.6 and thickness of 0.8mm. The proposed LPF provides a sharp rejection at 2.4GHz with an ultra-wide stopband of 30dB attenuation up to 10GHz. The etched size can be minimized to be 53.8% less than that of the cascaded configuration. The simulation and measurement results of the CDS-DGS-LPF are provided.
引用
收藏
页码：143 / 146
页数：4
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