1. Yu, W.-H., J.-C. Mou, X. Li, and X. Lv, "A compact filter with sharp-transition and wideband-rejection using the novel defected ground structure," Journal of Electromagnetic Waves and Applications, Vol. 23, No. 2-3, 329-340, 2009. Google Scholar
2. Wang, J.-P., L. Wang, Y.-X. Guo, Y. X. Wang, and D.-G. Fang, "Miniaturized dual-mode bandpass filter with controllable harmonic response for dual-band applications," Journal of Electromagnetic Waves and Applications, Vol. 23, No. 11-12, 1525-1533, 2009. Google Scholar
3. Yang, M. H., J. Xu, Q. Zhao, and X. Sun, "Wide-stopband and miniaturized lowpass filters using SIRs-loaded hairpin resonators," Journal of Electromagnetic Waves and Applications, Vol. 23, No. 17-18, 2385-2396, 2009. Google Scholar
4. Dai, G.-L. and M.-Y. Xia, "An investigation of quarterwavelength square-spiral resonator and its applications to miniaturized bandpass filters," Journal of Electromagnetic Waves and Applications, Vol. 24, No. 10, 1303-1313, 2010. Google Scholar
5. Lin, H.-J., X.-Q. Chen, X.-W. Shi, L. Chen, and C.-L. Li, "A dual passband filter using hybrid microstrip open loop resonators and coplanar waveguide slotline resonators," Journal of Electromagnetic Waves and Applications, Vol. 24, No. 1, 141-149, 2010. Google Scholar
6. Chen, H., Y.-H. Wu, Y.-M. Yang, and Y.-X. Zhang, "A novel and compact bandstop filter with folded microstrip/CPW hybrid structure," Journal of Electromagnetic Waves and Applications, Vol. 24, No. 1, 103-112, 2010. Google Scholar
7. Wu, Y., Y. Liu, S. Li, and C. Yu, "A new wide-stopband low-pass ¯lter with generalized coupled-line circuit and analytical theory," Progress In Electromagnetics Research, Vol. 116, 553-567, 2011. Google Scholar
8. Matthaei, G. L., L. Oung, and E. M. T. Jones, Microwave Filters, Impedance Matching Networks and Coupling Structures, McGraw Hill, New York, 1964.
9. Hong, J. S. and M. J. Lancaster, Microstrip Filters for RF/Microwave Applications, Wiley, New York, 2001.
10. Tu, W.-H. and K. Chang, "Compact microstrip bandstop filter using open stub and spurline," IEEE Microw. Wirel. Compon. Lett., Vol. 15, No. 4, 268-270, 2005. Google Scholar
11. Woo, D.-J., T.-K. Lee, et al. "Novel U-slot and V-slot DGSs for bandstop filter with Improved Q factor," IEEE Transactions on Microwave Theory and Techniques, Vol. 54, No. 6, 2840-2847, 2006. Google Scholar
12. Hsieh, M.-Y. S. and M.Wang, "Compact and wideband microstrip bandstop filter," IEEE Microw. Wirel. Compon. Lett., Vol. 15, No. 7, 472-474, 2005. Google Scholar
13. Mandal, M. K., K. Divyabramham, et al. "Compact, wideband bandstop filters with sharp rejection characteristic," IEEE Microw. Wirel. Compon. Lett., Vol. 18, No. 10, 665-667, 2008. Google Scholar
14. Sánchez-Soriano, M. Á., E. Bronchalo, et al. "Compact UWB bandpass filter based on signal interference techniques," IEEE Transactions on Microwave Theory and Techniques, Vol. 19, No. 11, 92-694, 2009. Google Scholar
15. Mandal, M. K., V. K. Velidi, et al. "Design of ultra-wideband bandstop filter with three transmission zeros," Microw. Opt. Technol. Lett., Vol. 50, No. 11, 2955-2957, 2008. Google Scholar
16. Zysman, G. I. and A. Kent Johnson, "Coupled transmission line networks in an Inhomogeneous dielectric medium," IEEE Transactions on Microwave Theory and Techniques, Vol. 17, No. 10, 753-758, 1969. Google Scholar
17. Pozar, D. M., Microwave Engineering, 2nd Ed., Wily, New York, 1998.