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Novel dual-band filter using slotline and microstrip resonators

✍ Scribed by Xiu Yin Zhang; Jian-Xin Chen; Quan Xue

Publisher
John Wiley and Sons
Year
2007
Tongue
English
Weight
139 KB
Volume
49
Category
Article
ISSN
0895-2477

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✦ Synopsis

Abstract

A novel dual‐band filter using slotline and microstrip resonators is proposed. By introducing slotline resonators on the ground of conventional microstrip resonator, the filter provides two transmission paths for RF signals. Each path generates its own passband. Both microstrip resonator and slotline resonators share the input and output ports without any external impedance‐matching network. Deep rejection between the two passbands is obtained due to a transmission zero located between them. The filter has the advantages of low insertion loss, compact size, and good selectivity. The simulated and measured results are presented and show good agreements. © 2007 Wiley Periodicals, Inc. Microwave Opt Technol Lett 49: 1080–1081, 2007; Published online in Wiley InterScience (www.interscience.wiley.com). DOI.10.1002/mop.22348

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