Bandpass Filter for 5. 8GHz using Defected Ground Structure Based on UWB Antenna

被引：0
|
作者：
Liu, Xu [1 ]
Jin, Hao [1 ]
Yang, Guangli [1 ]
机构：
[1] Shanghai Univ, Shanghai Inst Adv Commun & Data Sci SICS, Key Lab Specialty Fiber Opt & Opt Access Network, Shanghai 200444, Peoples R China
来源：
2018 INTERNATIONAL CONFERENCE ON MICROWAVE AND MILLIMETER WAVE TECHNOLOGY (ICMMT2018) | 2018年
关键词：
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：
Defected ground structures (DGS) have known to be providing improvement in characteristics of many microwave circuits. This bandpass filter is designed placing rectangular slot in the top plane and defected ground structure in the ground plane. DGS is used for property of miniaturizing the size of antenna and improving the mutual coupling between the resonators. The proposed dumbbell shaped DGS is used to tune the bandpass filter to 5. 8 GHz with dimension of 40 mm x 15 mm The DGS unit of bandpass filter provides two transmission zeros near the passband edges. The filter gives an insertion loss of -1.8 dB, a return loss of -18.6 dB and -3dB bandwidth of 1.32 GHz.
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页数：3
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