Tunable Defected Ground Structure Band Pass Filter for Cognitive Radio Applications

被引：0
|
作者：
Ibrahim, Ahmed A. [1 ,2 ]
Rashad, Mohamed K. [3 ]
Ashraf, Mostafa [3 ]
Aboushady, Hassan [2 ]
机构：
[1] Minia Univ, Fac Engn, Commun & Elect Dept, Al Minya, Egypt
[2] Univ Paris 06, Sorbonne Univ, Paris VI, Paris, France
[3] MSA Univ, Fac Engn, Cairo, Egypt
来源：
2019 PHOTONICS & ELECTROMAGNETICS RESEARCH SYMPOSIUM - SPRING (PIERS-SPRING) | 2019年
关键词：
DESIGN;
D O I：
10.1109/piers-spring46901.2019.9017366
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 introduces tunable bandpass filter (BPF) based on two coupled resonators defected ground structure (DGS). The DGS slots are the essential components of our designed BPF. The two E-Shape slots are etched in ground plane with lumped capacitor to operate in cognitive radio applications. The lumped capacitor expands the effective capacitance of the resonator and reduces its resonant frequency, which prompts compact size. The proposed BPF has center frequency of 2.4 GHz, bandwidth from 2.2 to 2.6 GHz and rejection higher than 20 dB up to more than 6 GHz in the stop band region. The filter has insertion loss lower than 0.4 dB within the pass band region. The simulated and measured results are introduced to confirm the filter realizations.
引用
收藏
页码：3507 / 3513
页数：7
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