DESIGN AND REALIZATION OF THREE-POLE BANDPASS FILTER WITH SPURIOUS RESPONSE SUPPRESSION USING DEFECTED GROUND STRUCTURES | Zendy

Alia Zakriti | Zendy; Naima Amar Touhami | Zendy; K. Bargach | Zendy; Mohammed Lamsalli | Zendy; Mohamed Essaaidi | Zendy

Open Access

DESIGN AND REALIZATION OF THREE-POLE BANDPASS FILTER WITH SPURIOUS RESPONSE SUPPRESSION USING DEFECTED GROUND STRUCTURES

Author(s) -

Alia Zakriti,

Naima Amar Touhami,

K. Bargach,

Mohammed Lamsalli,

Mohamed Essaaidi

Publication year - 2013

Publication title -

progress in electromagnetics research c

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.341

H-Index - 34

ISSN - 1937-8718

DOI - 10.2528/pierc13092706

Subject(s) - spurious relationship , band pass filter , realization (probability) , physics , filter (signal processing) , control theory (sociology) , electronic engineering , acoustics , computer science , engineering , electrical engineering , mathematics , statistics , machine learning , control (management) , artificial intelligence

In this paper, a three-pole bandpass fllter (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 fllter to improve the performance of the fllter in both passband and stopband. The banpass fllter is designed with a center frequency of 1.8GHz and a bandwidth of 270MHz. The suppression of better than 20dB was achieved for frequencies between 2.2 and 5GHz. A prototype of BPF was fabricated and tested. Prototype measured data was in good agreement with simulation results.

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