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Wideband cross-coupled filter using defected stepped impedance resonator

✍ Scribed by Bian Wu; Xin Lai; Tao Su; Chang-Hong Liang

Book ID
102520339
Publisher
John Wiley and Sons
Year
2010
Tongue
English
Weight
220 KB
Volume
52
Category
Article
ISSN
0895-2477

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✦ Synopsis

Abstract

A novel wideband cross‐coupled band‐pass filter based on defected stepped impedance resonator (DSIR) is presented in this article. Although the DSIR has opposite impedance characteristic and field distribution to the microstrip SIR, its resonant property is similar to the latter. The internal coupling coefficients of DSIRs are found to be large enough for the wideband filter design. A four‐pole, cross‐coupled band‐pass filter with f__~0~__ = 1.6 GHz and FBW = 12% is designed and fabricated using the folded DSIR. Experimental result has good agreement with the simulation. © 2010 Wiley Periodicals, Inc. Microwave Opt Technol Lett 52: 558–561, 2010; Published online in Wiley InterScience (www.interscience.wiley.com). DOI 10.1002/mop.24972

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