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Compact microstrip lowpass filter with wide stop‐band integrating a bandstop structure in an open‐loop resonator
Author(s) -
Shi Jin,
Chen JianXin,
Xue Quan
Publication year - 2005
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.21236
Subject(s) - band stop filter , microstrip , microwave , resonator , harmonics , electronic engineering , low pass filter , passband , filter (signal processing) , engineering , band pass filter , electrical engineering , topology (electrical circuits) , telecommunications , voltage
A novel compact microstrip lowpass filter integrating a bandstop structure in an open‐loop resonator is proposed. The lowpass filter has the advantages of compact size, wide rejection in the stop‐band, and three transmission zeros in the stop‐band for suppressing the harmonics. A demonstration filter is designed, fabricated, and tested. © 2005 Wiley Periodicals, Inc. Microwave Opt Technol Lett 47: 582–584, 2005; Published online in Wiley InterScience (www.interscience.wiley.com). DOI 10.1002/mop.21236