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Bandpass filter using short stubs and step impedances lines for ultra‐wideband applications
Author(s) -
Ryu KeunKwan
Publication year - 2011
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.25899
Subject(s) - passband , band pass filter , electronic engineering , high pass filter , filter (signal processing) , voltage controlled filter , microwave , insertion loss , butterworth filter , wideband , electrical engineering , materials science , low pass filter , acoustics , engineering , telecommunications , physics
Abstract A bandpass filter is designed for the applications of ultra‐wideband (UWB) wireless communication.The designed bandpass filter covers the whole UWB passband of 3.1–10.6 GHz, and its construction is achieved by using a distributed high‐pass filter with frequent short‐circuited stubs and a low‐pass filter with step impedance lines. Within the whole UWB passband, the insertion loss lower than 1.65 dB and the group delay variation less than 0.27 ns are measured. This bandpass filter for UWB applications has the miniature size of 9.5 × 5.0 mm 2 , and the measured electrical performances have good agreement with simulation results. © 2011 Wiley Periodicals, Inc. Microwave Opt Technol Lett 53:1062–1065, 2011; View this article online at wileyonlinelibrary.com. DOI 10.1002/mop.25899