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Dual-mode ring resonators with inductive ω-shaped perturbations for miniaturizations and dual-bands

✍ Scribed by Ji-Chyun Liu; Ta-Cheng Liu; Bing-Hao Zeng; His-Chiang Chou

Publisher: John Wiley and Sons
Year: 2009
Tongue: English
Weight: 392 KB
Volume: 51
Category: Article
ISSN: 0895-2477
DOI: 10.1002/mop.24502

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✦ Synopsis

Abstract

Novel inductive Ω‐shaped perturbations for dual‐mode ring resonators (DMRR) to design dual‐band band‐pass filter with size reduction are presented in this article. Both inductive Ω‐shaped perturbations in DMRR and DMDRR (Dual‐Mode Double Ring Resonator) are studied to improve the performance of the conventional DMRR and DMDRR. Significant size reductions over 56 and 10% are achieved at dual‐band 1.13 and 2.11 GHz, respectively. To obtain a lower insertion loss (2.49/0.75 dB), higher rejection (−19.93/−16.41 dB), and wider bandwidth (about 4.82/16.45%) responses, the miniaturized DMDRR filter are presented. © 2009 Wiley Periodicals, Inc. Microwave Opt Technol Lett 51: 1986–1991, 2009; Published online in Wiley InterScience (www.interscience.wiley.com). DOI 10.1002/mop.24502

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