Design of dual-band filter using defected split-ring resonator combined with interdigital capacitor.

Authors :: Wu, B.
Fan, J. W.
Zhao, L. P.
Liang, C. H.
Source :: Microwave & Optical Technology Letters. Sep2007, Vol. 49 Issue 9, p2104-2106. 3p. 1 Color Photograph, 3 Diagrams, 3 Graphs.
Publication Year :: 2007
Abstract: A novel type of dual-band microstrip structure and its equivalent circuit are investigated, which is composed of defected split-ring resonator and interdigital capacitor. The influence of design parameters on the frequency characteristics is discussed, then a dual-band microstrip filter, which has two passbands of 1.8–2.5 GHz and 5.5–5.9 GHz with a transmission zero, is designed and fabricated. © 2007 Wiley Periodicals, Inc. Microwave Opt Technol Lett 49: 2104–2106, 2007; Published online in Wiley InterScience (www.interscience.wiley.com). DOI 10.1002/mop.22673 [ABSTRACT FROM AUTHOR]

Subjects :: *RESONATORS
*STRIP transmission lines
*BROADBAND communication systems
*BANDPASS filters
*ELECTRIC filters

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