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Compact dual-mode bandpass filter using arrow-shaped slot resonator

✍ Scribed by Youngje Sung

Publisher
John Wiley and Sons
Year
2009
Tongue
English
Weight
178 KB
Volume
51
Category
Article
ISSN
0895-2477

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✦ Synopsis

Abstract

A novel design of a compact bandpass ring slot filter for achieving dual‐mode operation is proposed and experimentally studied. By using an arrow‐shaped slot structure as a resonator, the resonant frequency of the proposed filter is significantly lowered, which can lead to a large filter size reduction for a fixed frequency operation. Two degenerate modes are achieved by loading with proper asymmetry, which can be placed at the corner of diagonals. A prototype of the proposed design is implemented and measured. From the measured results, the proposed filter has about 5.2% bandwidth at the center frequency of 0.97 GHz and a minimum insertion loss of 1.07 dB within passband. © 2009 Wiley Periodicals, Inc. Microwave Opt Technol Lett 51: 2989–2991, 2009; Published online in Wiley InterScience (www.interscience.wiley.com). DOI 10.1002/mop.24809

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