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High selective stepped‐impedance dual‐band bandpass filter
Author(s) -
Wang Jianpeng,
Guo YongXin,
Wang BingZhong,
Ong L. C.
Publication year - 2006
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.21831
Subject(s) - band pass filter , microwave , electronic engineering , multi band device , electrical impedance , filter (signal processing) , coupling (piping) , passband , transmission (telecommunications) , electronic filter topology , engineering , high pass filter , acoustics , electrical engineering , physics , telecommunications , low pass filter , mechanical engineering , antenna (radio)
A high selective stepped‐impedance dual‐band bandpass filter is presented. The filter has a feature of two tunable passbands over a wide frequency range and compact size. A multi‐coupling scheme is introduced so that two finite transmission zeros are generated between the two passbands to achieve a high out‐of‐band rejection. © 2006 Wiley Periodicals, Inc. Microwave Opt Technol Lett 48: 1964–1966, 2006; Published online in Wiley InterScience (www.interscience.wiley.com). DOI 10.1002/mop.21831