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Compact odd-order band-pass filters using capacitively coupled spiral resonators

✍ Scribed by Nader Behdad

Publisher
John Wiley and Sons
Year
2008
Tongue
English
Weight
305 KB
Volume
50
Category
Article
ISSN
0895-2477

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✦ Synopsis

Abstract

In this article, a new topology for designing compact, band‐pass filters of odd‐order (N = 3, 5, 7, …) is presented. The technique is based on using resonators with parallel RLC type resonance with high loaded quality factor (Q~L~) in conjunction with the capacitively loaded, slow‐wave transmission lines. Using the approach presented in this article compact band‐pass filters with bandwidths as small as 5% to as wide as 50% can easily be designed. The principles of operation of the proposed filter along with experimental results of several different fabricated prototypes are presented and discussed in this article. © 2008 Wiley Periodicals, Inc. Microwave Opt Technol Lett 50: 3172–3175, 2008; Published online in Wiley InterScience (www.interscience.wiley.com). DOI 10.1002/mop.23921

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