A compact sharp‐rejection lowpass filter | Zendy

Hung ChengYuan | Zendy; Weng MinHang | Zendy; Yang RuYuan | Zendy

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A compact sharp‐rejection lowpass filter

Author(s) -

Hung ChengYuan,

Weng MinHang,

Yang RuYuan

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.23224

Subject(s) - stopband , passband , elliptic filter , low pass filter , microwave , cutoff frequency , attenuation , transition band , physics , resonator , filter (signal processing) , high pass filter , electronic engineering , acoustics , materials science , engineering , optics , electrical engineering , prototype filter , band pass filter , telecommunications

In this article, a compact sharp‐rejection lowpass filter (SRLPF) is proposed and analyzed. By combining the coupled line section and shunt open‐circuited resonator, a compact lowpass filter with wide stopband and very high passband selectivity is realized. This filter at cutoff frequency f c of 2 GHz has presented very good measured characteristics, including very low insertion loss of 0.15 ± 0.05 dB, wide stopband from 3.2 to 8 GHz and attenuation slope of 51 dB/GHz. © 2008 Wiley Periodicals, Inc. Microwave Opt Technol Lett 50: 894–896, 2008; Published online in Wiley InterScience (www.interscience.wiley.com). DOI 10.1002/mop.23224

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