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A Sierpinski fractal-based dual-mode bandpass filter

✍ Scribed by Min-Hang Weng; Der-Sun Lee; Ru-Yuan Yang; Hung-Wei Wu; Chia-Ling Liu

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

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✦ Synopsis

Abstract

In this letter, we propose a new microstrip dual mode bandpass filter (BPF) using a 3rd order Sierpinski fractal‐based resonator (SFR). The different order SFRs are generated from the conventional square patch by using an iterative Sierpinski generator method. In this article, a 3rd order SFR is used to design a high performance dual mode BPF due to its miniaturized property. By adding a perturbation element at the corner of the SFR, the dual mode frequency response can be found. A miniature and low insertion dual‐mode BPF centered at 2.4 GHz using the proposed 3rd SFR is designed, fabricated, and characterized to verify the design concept. © 2008 Wiley Periodicals, Inc. Microwave Opt Technol Lett 50: 2287–2289, 2008; Published online in Wiley InterScience (www.interscience.wiley.com).DOI 10.1002/mop.23641

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