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A novel compact coplanar‐waveguide bandpass filter with good stopband rejection
Author(s) -
Weng MinHang,
Hung ChengYuan,
Huang ChunYueh,
Ye ChangSin,
Su YanKuin
Publication year - 2007
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.22134
Subject(s) - stopband , passband , coplanar waveguide , band pass filter , transition band , elliptic filter , center frequency , microwave , bandwidth (computing) , electronic engineering , materials science , prototype filter , optoelectronics , engineering , electrical engineering , telecommunications , low pass filter
With the rapid development of wireless communications, sharp rejection, and wide stopband are very important issues for filter applications. In this paper, a novel compact coplanar‐waveguide bandpass filter (CPW–BPF) is designed and implemented on commercial substrate. This filter at center frequency f 0 of 3.3 GHz has presented almost very good measured characteristics including the narrow bandwidth of 8.7%, two transmission zeros in the passband edge and wide stopband rejection below 2.45 GHz and from 3.8 to 8 GHz. Experimental results of the fabricated filter show a good agreement with the simulated results. © 2006 Wiley Periodicals, Inc. Microwave Opt Technol Lett 49: 369–371, 2007; Published online in Wiley InterScience (www.interscience.wiley.com). DOI 10.1002/mop.22134