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Dual-spiral microstrip bandpass filter with two transmission zeros

✍ Scribed by JiaLin Li; JianXin Chen; JianPeng Wang; Quan Xue; LiangJin Xue

Publisher
John Wiley and Sons
Year
2005
Tongue
English
Weight
72 KB
Volume
45
Category
Article
ISSN
0895-2477

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✦ Synopsis

Abstract

A microstrip bandpass filter using a dual‐spiral configuration is proposed. Unlike conventional filter topology, this filter is integrated directly within 50Ω microstrip lines. The filter has a simple configuration, and compact size, and is easy to fabricate. Two transmission zeros close to the passband improve the selectivity of the filter. A demonstration filter is designed and examined, and the theoretical and experimental results are presented. © 2005 Wiley Periodicals, Inc. Microwave Opt Technol Lett 45: 331–332, 2005; Published online in Wiley InterScience (www.interscience.wiley.com). DOI 10.1002/mop.20814

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