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On the relationship among dual-mode double-ring and double slot-ring resonators for wide band-pass filter design

✍ Scribed by Shuh-Tai Lu; Ping-Chun Deng; Ji-Chyun Liu; Tai-I Wu

Publisher: John Wiley and Sons
Year: 2007
Tongue: English
Weight: 691 KB
Volume: 50
Category: Article
ISSN: 0895-2477
DOI: 10.1002/mop.22998

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✦ Synopsis

Abstract

The novel configurations of dual‐mode double slot‐ring resonator (DMDSRR) are introduced to improve the performance of the dual‐mode double‐ring resonator (DMDRR). To obtain a lower insertion loss (−0.76 dB) higher rejection (−48.21 dB) and wider band (BW about 93.35%) filters using tree‐shaped couples and perturbation stubs are proposed here. Both cascaded DMDSRR structure and Butterworth approximation are studied herein. Simulation results including surface current distributions and frequency responses are presented and discussed. © 2007 Wiley Periodicals, Inc. Microwave Opt Technol Lett 50: 117–122, 2008; Published online in Wiley InterScience (www.interscience.wiley.com). DOI 10.1002/mop.22998

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