A compact second-order chebyshev bandpass filter using u-shaped resonator and defected ground structure
A compact bandpass filter using U-shaped resonators and Defected Ground Structures is proposed and designed at 5.8 GHz. The U-shaped resonators are placed around an indirectly coupled feed line while the Defected Ground Structures are positioned beneath them. The Ushaped resonator and U-shaped Defec...
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| Main Authors: | , , , , |
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| 格式: | Article |
| 語言: | English |
| 出版: |
Czech Technical University
2020
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| 主題: | |
| 在線閱讀: | http://eprints.utm.my/id/eprint/93448/1/MohammadRijalHamid2020_ACompactSecond-orderChebyshev.pdf http://eprints.utm.my/id/eprint/93448/ http://dx.doi.org/10.13164/RE.2020.0321 |
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| 總結: | A compact bandpass filter using U-shaped resonators and Defected Ground Structures is proposed and designed at 5.8 GHz. The U-shaped resonators are placed around an indirectly coupled feed line while the Defected Ground Structures are positioned beneath them. The Ushaped resonator and U-shaped Defected Ground Structure are responsible for the high and low band rejection respectively. The proposed bandpass filter obeys the second order Chebyshev response which has low insertion loss of-1.87 dB, high rejection level and a sharp roll-off performance. The design is carried out using CST Microwave studio. The design is verified by fabricating and measuring the prototype in the laboratory. A good agreement is observed between the simulated and measured results. |
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