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A novel compact CPW bandpass filter with spurious response suppression

✍ Scribed by Min-Hang Weng; Chun-Yueh Huang; Chang-Sin Ye; Cheng-Yuan Hung

Publisher
John Wiley and Sons
Year
2007
Tongue
English
Weight
269 KB
Volume
49
Category
Article
ISSN
0895-2477

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✦ Synopsis

Abstract

It is an important issue to suppress the spurious response of the coplanar‐waveguide (CPW) bandpass filter (BPF). In this letter, a novel CPW BPF at 1.57 GHz with spurious responses suppression for application in Global Positioning System is presented. By adjusting the filter structure, the wide stopband rejection greater than 20 dB from 1.8 to 4.5 GHz could be obtained away from the designed central frequency without increasing the circuit dimension. The designed CPW‐BPF is investigated numerically and experimentally. Measured results show a good agreement with the simulated analysis. © 2007 Wiley Periodicals, Inc. Microwave Opt Technol Lett 49: 2941–2944, 2007; Published online in Wiley InterScience (www.interscience.wiley.com). DOI 10.1002/mop.22898

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