A transformed radial stub low-pass filter using defected ground structure for stopband extension
The paper presents a low-pass filter using defected ground structure for stopband enhancement. The face-to-face E shape defected ground structure is investigated using EM simulation, which are co-designed with transformed radial stub low-pass filter to extend the stopband. The fabricated filter demo...
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| Main Authors: | , , |
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| 其他作者: | |
| 格式: | Conference or Workshop Item |
| 語言: | English |
| 出版: |
2015
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| 主題: | |
| 在線閱讀: | https://hdl.handle.net/10356/79415 http://hdl.handle.net/10220/25492 |
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| 機構: | Nanyang Technological University |
| 語言: | English |
| 總結: | The paper presents a low-pass filter using defected ground structure for stopband enhancement. The face-to-face E shape defected ground structure is investigated using EM simulation, which are co-designed with transformed radial stub low-pass filter to extend the stopband. The fabricated filter demonstrates a passband insertion loss of less than 1 dB, a wide stopband with more than 20 dB rejection up to 16ƒc (ƒc is the cut-off frequency of 2.4 GHz), a passband return loss of better than 20 dB, and a compact size of 5×1.3 cm2 only. |
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