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2013-01-31
Dual-Band Bandpass Filter Using a Single Short-Ended Dual-Mode Resonator with Adjustable First Passband
By
Progress In Electromagnetics Research C, Vol. 37, 95-106, 2013
Abstract
In this paper, a novel dual-band bandpass filter (BPF) based on a single short-ended dual-mode resonator (SEDMR) is presented. According to the voltage distribution of the resonator, two pairs of loaded open stubs, inside and outside of the resonator, are utilized to tune the center frequency and the external quality factor of the first passband respectively, while there is no influence on the second passband. Meanwhile, source-load coupling is introduced to produce transmission zeros to improve the passband selectivity and band-to-band isolation. For demonstration, a dual-band filter working at 1.52 GHz for GPS and 3.5 GHz for WiMax is designed, fabricated and measured with insertion losses of 1.47 and 0.95 dB. In addition, two transmission zeros, introduced by source-load coupling, located at 2.19 and 2.67 GHz between the first and second passband improve passband selectivity and band-to-band isolation better than 50 dB.
Citation
Shou Jia Sun Shuai Yang Bian Wu Kun Deng Chang-Hong Liang , "Dual-Band Bandpass Filter Using a Single Short-Ended Dual-Mode Resonator with Adjustable First Passband," Progress In Electromagnetics Research C, Vol. 37, 95-106, 2013.
doi:10.2528/PIERC13010108
http://www.jpier.org/PIERC/pier.php?paper=13010108
References

1. Hong, J. S. and M. J. Lancaster, Microstrip Filters for RF/Microwave Applications, Wiley, New York, 2001.
doi:10.1002/0471221619

2. Wolff, I., "Microstrip bandpass filter using degenerate modes of a microstrip ring resonator," Electron. Lett., Vol. 8, No. 12, 302-303, Jun. 1972.
doi:10.1049/el:19720223

3. Wu, B., C.-H. Liang, Q. Li, and P.-Y. Qin, "Novel dual-band filter incorporating defected SIR and microstrip SIR," IEEE Microw. Wireless Compon. Lett., Vol. 18, No. 6, 392-394, Jun. 2008.
doi:10.1109/LMWC.2008.922614

4. Dai, G.-L. , Y.-X. Guo, and M.-Y. Xia, "Dual-band bandpass filter using parallel short-ended feed scheme," IEEE Microw. Wireless Compon. Lett., Vol. 20, No. 6, 325-327, Jun. 2010.
doi:10.1109/LMWC.2010.2047517

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

6. Velazquez-Ahumada, M. D. C., J. Martel-Villagr, F. Medina, and F. Mesa, "Application of stub loaded folded stepped impedance resonators to dual-band filter design," Progress In Electromagnetics Research, Vol. 102, 107-124, 2010.
doi:10.2528/PIER10011406

7. Ma, D. , Z.-Y. Xiao, L. Xiang, X. Wu, C. Huang, and X. Kuo, "Compact dual-band bandpass filter using folded SIR with two stubs for WLAN," Progress In Electromagnetics Research, Vol. 117, 357-364, 2011.

8. Wu, G.-L. , W. Mu, X-W. Dai, and Y.-C. Jiao, "Design of novel dual-band bandpass filter with microstrip meander-loop resonator and CSRR DGS," Progress In Electromagnetics Research, Vol. 78, 17-24, 2008.
doi:10.2528/PIER07090301

9. Kuo, J.-T. and S.-W. Lai, "New dual-band bandpass filter with wide upper rejection band," Progress In Electromagnetics Research, Vol. 123, 371-384, 2012.
doi:10.2528/PIER11112304

10. Kuo, J.-T., S.-C. Tang, and S.-H. Lin, "Quasi-elliptic function bandpass filter with upper stopband extension and high rejection level using cross-coupled stepped-impedance resonators," Progress In Electromagnetics Research, Vol. 114, 395-405, 2011.

11. Mondal, P. and M. K. Mandal, "Design of dual-band bandpass filters using stub-loaded open-loop resonators," IEEE Trans. Microw. Theory Tech., Vol. 56, No. 1, 150-155, Jan. 2008.
doi:10.1109/TMTT.2007.912204

12. Zhang, X. Y. , J.-X. Chen, Q. Xue, and S.-M. Li, "Dual-band bandpass filters using stub-loaded resonators," IEEE Microw. Wireless Compon. Lett., Vol. 17, No. 8, 583-585, Aug. 2007.
doi:10.1109/LMWC.2007.901768

13. Chen, Z.-X., X.-W. Dai, and C.-H. Liang, "Novel dual-mode dual-band bandpass filter using double square-loop structure," Progress In Electromagnetics Research, Vol. 77, 409-416, 2007.
doi:10.2528/PIER07082803

14. Fu, S., B.Wu, J. Chen, S.-J. Sun, and C.-H. Liang, "Novel second-order dual-mode dual-band filters using capacitance loaded square loop resonator," IEEE Trans. Microw. Theory Tech., Vol. 60, No. 3, 477-483, Mar. 2012.
doi:10.1109/TMTT.2011.2181859

15. Zhang, X. Y. and Q. Xue, "Novel dual-mode dual-band filters using coplanar-waveguide-fed ring resonators," IEEE Trans. Microw. Theory Tech., Vol. 55, No. 10, 2183-2190, Oct. 2007.
doi:10.1109/TMTT.2007.906501

16. Chen, J.-X. , T. Y. Yum, J.-L. Li, and Q. Xue, "Dual-mode dual-band bandpass filter using stacked-loop structure," IEEE Microw. Wireless Compon. Lett., Vol. 16, No. 9, 502-504, Sep. 2006.
doi:10.1109/LMWC.2006.880705

17. Luo, S. and L. Zhu, "A novel dual-mode dual-band bandpass filter based on a single ring resonator," IEEE Microw. Wireless Compon. Lett., Vol. 19, No. 8, 497-499, Aug. 2009.
doi:10.1109/LMWC.2009.2024826

18. Sung, Y., "Dual-mode dual-band filter with band notch structures," IEEE Microw. Wireless Compon. Lett., Vol. 20, No. 2, 73-75, Feb. 2010.
doi:10.1109/LMWC.2009.2038434

19. Li, Y. C., H. Wong, and Q. Xue, "Dual-mode dual-band bandpass filter based on a stub-loaded patch resonator," IEEE Microw. Wireless Compon. Lett., Vol. 21, No. 10, 525-527, Oct. 2011.
doi:10.1109/LMWC.2011.2164394

20. Zhao, L.-P., X.-W. Dai, Z.-X. Chen, and C.-H. Liang, "Novel design of dual-mode dual-band bandpass filter with triangular resonators," Progress In Electromagnetics Research, Vol. 77, 417-424, 2007.
doi:10.2528/PIER07090501

21. Chiou, Y.-C. , P.-S. Yang, J.-T. Kuo, and C.-Y.Wu, "Transmission zero design graph for dual-mode dual-band filter with periodic stepped-impedance ring resonator," Progress In Electromagnetics Research, Vol. 108, 23-36, 2010.
doi:10.2528/PIER10071608

22. Sun, S.-J., B. Wu, T. Su, K. Deng, and C.-H. Liang, "Wideband dual-mode microstrip filter using short-ended resonators with centrally loaded inductive stub," IEEE Trans. Microw. Theory Tech., Vol. 60, No. 12, 3667-3673, Dec. 2012.
doi:10.1109/TMTT.2012.2221737

23. Cameron, R. J., "Advanced coupling matrix synthesis techniques for microwave filters," IEEE Trans. Microw. Theory Tech., Vol. 51, No. 1, 1-10, Jan. 2003.
doi:10.1109/TMTT.2002.806937