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A novel reconfigurable filter using periodic structures (2006)
| Venue: | in Proceedings IEEE MTT- Symp., 943 - 946 |
| Citations: | 2 - 0 self |
BibTeX
@INPROCEEDINGS{Karim06anovel,
author = {M. F. Karim and A. Q. Liut and A. Alphones and A. B. Yu},
title = {A novel reconfigurable filter using periodic structures},
booktitle = {in Proceedings IEEE MTT- Symp., 943 - 946},
year = {2006}
}
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Abstract
Abstract- In this paper, a reconfigurable filter is realized using electromagnetic bandgap structures (EBG) which can be switched from bandpass to bandstop filter at the same frequency by PIN diodes. A unit model for the reconfigurable filter is derived by equivalent circuit approach and full wave electromagnetic simulation is used for extracting the values of the lumped elements. The extracted parameters show that the bandpass and bandgap effect of the EBG cells. The dispersion diagram is obtained for the structure by combining the commercial software and the Floquet's theorem. The PIN diodes are used to switch from bandpass to bandstop filter. The measurement results show that the insertion loss in bandpass filter is around 2.1 dB and the 3-dB bandwidth is around 5.2 GHz which is suitable for wideband applications. For the bandstop filter, the 20 dB rejection bandwidth is 5.3 GHz and the insertion loss in the pass band is 1.6 dB.
Keyphrases
periodic structure novel reconfigurable filter reconfigurable filter insertion loss pin diode extracted parameter bandgap effect pas band full wave electromagnetic simulation measurement result db rejection bandwidth unit model dispersion diagram equivalent circuit approach bandpass filter ebg cell wideband application electromagnetic bandgap structure 3-db bandwidth lumped element bandstop filter commercial software
