Miniaturized dual-mode bandpass filter with controllable harmonic response for dual-band applications

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23 Scopus Citations
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Author(s)

  • J. P. Wang
  • L. Wang
  • Y. X. Guo
  • Y. X. Wang
  • D. G. Fang

Detail(s)

Original languageEnglish
Pages (from-to)1525-1533
Journal / PublicationJournal of Electromagnetic Waves and Applications
Volume23
Issue number11-12
Publication statusPublished - 2009
Externally publishedYes

Abstract

A miniaturized dual-mode bandpass filter with controllable harmonic response for dual-band applications is presented in this paper. The new bandpass filter is designed with loading distributed capacitors in the inner area of conventional dual-mode loop resonator. This loading can realize both compact size and controllable harmonic response of the filter. A demonstrated filter with the dual-band operating at 1.8 and 2.6 GHz was designed, fabricated and measured. Simulated and measured results indicate that a high selective dual-mode dual-band filter with its size reduced to 34.5% of the conventional case at about 1.8 GHz has been achieved. © 2009 VSP.

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