Vol. 14

Front:[PDF file] Back:[PDF file]
Latest Volume
All Volumes
All Issues
2010-06-28

A Miniaturized Bandpass Filter with Controllable Harmonic by Using Split Impedance Resonators

By Jian-Yi Li, Wen-Jeng Lin, Ding-Bing Lin, Lih-Shan Chen, and Mau-Phon Houng
Progress In Electromagnetics Research C, Vol. 14, 147-154, 2010
doi:10.2528/PIERC10052306

Abstract

In this paper, a miniaturized bandpass filter with controllable harmonic by using split impedance resonators is proposed. The proposed split impedance resonator is based on the theories of the basic parallel impedance formula and stepped impedance resonators (SIRs). In this way, the split impedance resonator can be effectively designed to obtain good coupling for reducing the insertion loss. Furthermore, a miniaturized bandpass filter with controllable spurious frequency is proposed. The proposed bandpass filter not only has good passband characteristics but also obtains miniaturization around 21.87% versus the traditional SIR bandpass filters.

Citation


Jian-Yi Li, Wen-Jeng Lin, Ding-Bing Lin, Lih-Shan Chen, and Mau-Phon Houng, "A Miniaturized Bandpass Filter with Controllable Harmonic by Using Split Impedance Resonators," Progress In Electromagnetics Research C, Vol. 14, 147-154, 2010.
doi:10.2528/PIERC10052306
http://jpier.org/PIERC/pier.php?paper=10052306

References


    1. Makimoto, M. and S. Yamashita, "Bandpass filters using parallel coupled stripline stepped impedance resonator," IEEE Trans. Microwave Theory Tech., Vol. 28, 1413-1417, Dec., 1980.
    doi:10.1109/TMTT.1980.1130258

    2. Sagawa, M., M. Makimoto, and S. Yamashita, "Geometrical structures and fundamental characteristics of microwave stepped-impedance resonators," IEEE Trans. Microwave Theory Tech., Vol. 45, No. 7, 1078-1085, Jul., 1997.
    doi:10.1109/22.598444

    3. Hong, J. S. and M. J. Lancaster, "End-coupled microstrip slow-wave resonator filter," Electronics Lett., Vol. 32, 1494-1496, Aug., 1994.
    doi:10.1049/el:19941025

    4. Hong, J. S. and M. J. Lancaster, "Theory and experiment of novel microstrip slow-wave open-loop resonator filters," IEEE Trans. Microwave Theory Tech., Vol. 45, No. 12, Dec., 1997.

    5. Lin, W.-J., C.-S. Chang, J.-Y. Li, D.-B. Lin, L.-S. Chen, and M.-P. Houng, "A new approach of dual-band filters by stepped impedance simplified cascaded quadruplet resonators with slot coupling," Progress In Electromagnetics Research Letters, Vol. 9, 19-28, 2009.
    doi:10.2528/PIERL09042801

    6. Xue, W., C.-H. Liang, X.-W. Dai, and J.-W. Fan, "Design of miniature planar dual-band filter with 0゜ feed structures," Progress In Electromagnetics Research, Vol. 77, 493-499, 2007.
    doi:10.2528/PIER07090502

    7. Zhang, J., J.-Z. Gu, B. Cui, and X. W. Sun, "Compact and harmonic suppression open-loop resonator bandpass filter with tri-section SIR," Progress In Electromagnetics Research, Vol. 69, 93-100, 2007.
    doi:10.2528/PIER06120702

    8. Hsu, C. H., H.-A. Ho and C.-I. G. Hsu, "Hybrid microstrip compact bandpass filter using high permittivity substrate," Progress In Electromagnetics Research Letters, Vol. 12, 59-67, 2009.
    doi:10.2528/PIERL09090505

    9. Chin, K.-S. and D.-J. Chen, "Novel microstrip bandpass filters using direct-coupled triangular stepped-impedance resonators for spurious suppression," Progress In Electromagnetics Research Letters, Vol. 12, 11-20, 2009.
    doi:10.2528/PIERL09090602

    10. Molaei Garmjani, N. and N. Komjani, "Quasi-elliptic bandpass filter based on SIR with elimination of first spurious response," Progress In Electromagnetics Research C, Vol. 9, 89-100, 2009.
    doi:10.2528/PIERC09062207

    11. Hong, J. S. and M. J. Lancaster, Microstrip Filter for RF/Microwave Application, No. 10 and 11, Wiley, New York, 2001.

    12. Pozar, D. M., Microwave Engineering, 2nd Ed., Wiley, New York, 1998.