Novel implementation of transversal filters in multilayered microstrip technology

Journal ar
Journal of Electromagnetic Waves and Applications
  • Volumen: 24
  • Número: 8-9
  • Fecha: 07 July 2010
  • Páginas: 1241-1253
  • ISSN: 09205071 15693937
  • Source Type: Journal
  • DOI: 10.1163/156939310791586179
  • Document Type: Article
This paper presents novel and compact implementations of bandpass filters using transversal topologies. The structures presented implement different transfer functions of order three in multilayered microstrip technology. In order to allow for easy implementation of the required coupling, multilayered broadside configurations are proposed. We demonstrate that with the proposed configurations, both dualband and quasi-elliptic responses can be easily synthesized, by only changing the sign of certain entries in the coupling matrix. To easily adjust the sign of the coupling, novel resonators are proposed, including simple half-wavelength transmission line resonators, meander line resonators and shortcircuited resonators. Experimental validations for both prototypes are presented, demonstrating the validity and usefulness of the proposed configurations. © 2010 VSP.

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