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Design of compact dual-band bandpass filter using short stub loaded resonator

✍ Scribed by Fu-Chang Chen; Qing-Xin Chu; Zhi-Hong Tu

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

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✦ Synopsis

Abstract

Compact dual‐band bandpass filter using short stub loaded resonators is presented in this letter, the proposed resonator possesses the advantage that its center frequency of the even mode can be flexibly controlled, whereas that of the odd‐mode is fixed. A dual‐band filter using pseudo‐interdigital SSLR is implemented with three transmission zeros. Meandering SSLR is proposed to obtain independently controlled bandwidth at each band. Two experimental examples of filters have been designed and fabricated, good agreements are shown between the simulation and the measurement. The bandpass filters have very smaller area in comparison of previous works. © 2009 Wiley Periodicals, Inc. Microwave Opt Technol Lett 51: 959–963, 2009; Published online in Wiley InterScience (www.interscience.wiley.com). DOI 10.1002/mop.24209

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