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The Design of Capacitive Coupling Bandpass Filter Using Stepped Impedance Resonator

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Intelligent Technologies and Engineering Systems

Part of the book series: Lecture Notes in Electrical Engineering ((LNEE,volume 234))

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Abstract

In this chapter, the main focus is on the design of microstrip dual-band filter function. This chapter presents a new compact, low insertion loss, sharp-rejection, and capacitive coupling dual-band microstrip bandpass filter. The operation of filter was designed in dual band of WLAN 2.45 GHz and WiMax 3.5 Hz. In order to reduce the size, the proposed filter used skew symmetric feed and microstrip line ring structure. The proposed filter additional two winding-type L shape of the stepped impedance resonator increased high-frequency transmission zeros to achieve a good dual-band effect. The filter was using electromagnetic simulator Ansoft HFSS, which was used to adjust and optimize the associated parameters. The filter was fabricated by Rogers RT/duroid 6010 substrate and measured by Agilent-N5230A with the connectors. The dual-band bandpass filter experimental results are in good agreement with the full-wave simulation results. Experimental results are in good agreement with the full-wave simulation results.

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Acknowledgments

The authors acknowledge the financial support under grants NSC 99-2221-E-390-013-MY2 and NSC 101-2221-E-244-006.

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Authors and Affiliations

  1. Department of Avionics Engineering, Air Force Academy, Kaohsiung, Taiwan, R.O.C.

    Chien-Hung Chen

  2. Institute of Photonics and Communications, National Kaohsiung University of Applied Sciences, Kaohsiung, 807, Taiwan

    Hua-Ming Chen

  3. Department of Electronic Engineering, Kao Yuan University, Kaohsiung, Taiwan, R.O.C.

    Chien-Chen Diao

  4. Department of Electronic Engineering, Fortune Institute of Technology, Kaohsiung, Taiwan, R.O.C.

    Wei-Kuo Chia

  5. Department of Chemical and Materials Engineering, National University of Kaohsiung, Kaohsiung, Taiwan, R.O.C.

    Cheng-Fu Yang

Authors
  1. Chien-Hung Chen
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  2. Hua-Ming Chen
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  3. Chien-Chen Diao
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  4. Wei-Kuo Chia
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  5. Cheng-Fu Yang
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Corresponding author

Correspondence to Cheng-Fu Yang .

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Editors and Affiliations

  1. School of Engineering, Mercer University, 151 Brookefield Drive, Macon, 31210, Georgia, USA

    Jengnan Juang

  2. National Changhua University of Educatio, No. 1, Jin De Road, Changhua City, 500, Taiwan R.O.C.

    Yi-Cheng Huang

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© 2013 Springer Science+Business Media New York

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Chen, CH., Chen, HM., Diao, CC., Chia, WK., Yang, CF. (2013). The Design of Capacitive Coupling Bandpass Filter Using Stepped Impedance Resonator. In: Juang, J., Huang, YC. (eds) Intelligent Technologies and Engineering Systems. Lecture Notes in Electrical Engineering, vol 234. Springer, New York, NY. https://doi.org/10.1007/978-1-4614-6747-2_81

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  • DOI: https://doi.org/10.1007/978-1-4614-6747-2_81

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  • Publisher Name: Springer, New York, NY

  • Print ISBN: 978-1-4614-6746-5

  • Online ISBN: 978-1-4614-6747-2

  • eBook Packages: EngineeringEngineering (R0)

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