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Compact microstrip dual-band bandpass filter with multiple transmission zeros

Author

Listed:
  • Biao Wang
  • Xiao-Hua Wang
  • Bing-Zhong Wang
  • Hualiang Zhang

Abstract

A compact microstrip dual-band bandpass filter with multiple transmission zeros is proposed. This filter is composed of input/output (I/O) coupling structure with source-load cross-coupling and two pairs of short-ended resonators resonating at 2.4 and 5.8 GHz, respectively. By proper arrangement of the I/O coupling structure with source-load cross-coupling, multiple transmission zeros are introduced. In this way, high selectivity of both passbands and good out-band rejection level better than 20 dB up to 9 GHz are achieved. Good agreement can be found between the full-wave electromagnetic simulations and measured results, which verifies the proposed design concept.

Suggested Citation

  • Biao Wang & Xiao-Hua Wang & Bing-Zhong Wang & Hualiang Zhang, 2013. "Compact microstrip dual-band bandpass filter with multiple transmission zeros," Journal of Electromagnetic Waves and Applications, Taylor & Francis Journals, vol. 27(7), pages 930-937, May.
  • Handle: RePEc:taf:tewaxx:v:27:y:2013:i:7:p:930-937
    DOI: 10.1080/09205071.2013.792751
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