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2013-10-31
Design and Realization of Three-Pole Bandpass Filter with Spurious Response Suppression Using Defected Ground Structures
By
Progress In Electromagnetics Research C, Vol. 45, 87-100, 2013
Abstract
In this paper, a three-pole bandpass filter (BPF) using a new defected ground structure (DGS) is discussed. The proposed DGS is incorporated in the ground plane under the feed lines and the coupled lines of a bandpass filter to improve the performance of the filter in both passband and stopband. The banpass filter is designed with a center frequency of 1.8 GHz and a bandwidth of 270 MHz. The suppression of better than 20 dB was achieved for frequencies between 2.2 and 5 GHz. A prototype of BPF was fabricated and tested. Prototype measured data was in good agreement with simulation results.
Citation
Alia Zakriti, Naima Amar Touhami, Khadija Bargach, Mohammed Lamsalli, and Mohammad Essaaidi, "Design and Realization of Three-Pole Bandpass Filter with Spurious Response Suppression Using Defected Ground Structures," Progress In Electromagnetics Research C, Vol. 45, 87-100, 2013.
doi:10.2528/PIERC13092706
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