Design of microstrip bandpass and lowpass filters using coupling matrix method and a new hairpin defected ground structure | Zendy

Boutejdar Ahmed | Zendy; Omar Abbas | Zendy

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Design of microstrip bandpass and lowpass filters using coupling matrix method and a new hairpin defected ground structure

Author(s) -

Boutejdar Ahmed,

Omar Abbas

Publication year - 2008

Publication title -

microwave and optical technology letters

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.304

H-Index - 76

eISSN - 1098-2760

pISSN - 0895-2477

DOI - 10.1002/mop.23794

Subject(s) - band pass filter , stopband , microstrip , microwave , ground plane , resonator , electronic engineering , coupling (piping) , topology (electrical circuits) , physics , engineering , materials science , optoelectronics , electrical engineering , telecommunications , mechanical engineering , antenna (radio)

In this work, we present a novel compact hairpin defected ground structure (DGS) bandpass and lowpass microstrip filter using two hairpin‐slots etched in the ground plane. A compact microstrip BPF using coupled DGS resonators is designed using coupling matrix method. The designed BPF showed very wide stopband with two transmission zeros. Furthermore, a simple technique to transform the designed BPF to a LPF was presented. The BPF was fabricated and measured. The measurement results showed good agreement with the theoretical and simulation results. © 2008 Wiley Periodicals, Inc. Microwave Opt Technol Lett 50: 2898–2901, 2008; Published online in Wiley InterScience (www.interscience.wiley.com). DOI 10.1002/mop.23794

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