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Design of a compact and wideband microstrip bandstop filter
Author(s) -
Çakir Gonca
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.23742
Subject(s) - stopband , microwave , finite difference time domain method , bandwidth (computing) , band stop filter , wideband , electronic engineering , microstrip , bluetooth , passband , engineering , network analyzer (electrical) , gsm , materials science , band pass filter , physics , low pass filter , telecommunications , optics , wireless
A novel bandstop filter (BSF), with a stop band covering GSM‐900, GSM1800, Bluetooth, and future 5 GHz applications which possesses the characteristics of compact size and wide bandwidth is proposed and fabricated. Parameters are optimized via numerical simulations. The simulations are performed via an in‐house‐prepared three dimensional (3D) finite‐difference time‐domain (FDTD) package. Measurements are carried out using an HP‐8510C network analyzer. The simulated and measured results show that the filter has wide stopband of 126% (1.7–7.8 GHz) for 3‐dB bandwidth. There is a good agreement between the simulated and experimental results. © 2008 Wiley Periodicals, Inc. Microwave Opt Technol Lett 50: 2612–2614, 2008; Published online in Wiley InterScience (www.interscience.wiley.com). DOI 10.1002/mop.23742