Compact Legendre Low-Pass Filters for Microwave Applications

被引：0
|
作者：
Kumar, Ashwani [1 ]
Chaudhari, Nainu P. [2 ]
Verma, A. K. [2 ]
机构：
[1] Univ Delhi, Dept Elect, Sri Aurobindo Coll, New Delhi 110017, India
[2] Univ Delhi, Dept Elect Sci, Microwave Res Lab, New Delhi 110021, India
来源：
2013 IEEE MTT-S INTERNATIONAL MICROWAVE AND RF CONFERENCE | 2013年
关键词：
Low Pass Filter (LPF); Legendre LPF; Defected ground structure (DGS);
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：
This paper presents the design of Legendre group of lowpass filters using DGS for microwave application. Legendre Polynomial Product (LPP)-312 and 213 filters have reduced group delay variation in the passband, achieved sharper cut-off and wider impedance matching BW. The measured selectivity of 5-pole Legendre, LPP-312 and LPP-213 lowpass filters are 28.3 dB/GHz, 18.8 dB/GHz and 18.2 dB/GHz. Their 20dB rejection BW (RBW) are 6.0 GHz, 7.7GHz and 7.9 GHz respectively. The LPP-213 has better 15dB matching BW (94%) and more 20dB rejection BW(7.3GHz).
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页数：4
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