1. Saito, A., H. Harada, and A. Nishikata, "Development of bandpass filter for ultra wideband (UWB) communication systems," IEEE Conference on Ultra Wideband Systems and Technologies, 76-80, Nov. 2003. Google Scholar
2. Ishida, H. and K. Araki, "Design and analysis of UWB bandpass filter with ring filter," IEEE MTT-S Microwave Symp. Dig., 1307-1310, June 2004. Google Scholar
3. Wang, H., L. Zhu, and W. Menzel, "Ultra-wideband bandpass filter with hybrid microstrip/CPW structure," IEEE Microw. Wirel. Compon. Lett., Vol. 15, No. 12, 844-846, 2005.
doi:10.1109/LMWC.2005.860016 Google Scholar
4. Yang, G., M. R. Jin, J. Geng, X. Huang, and G. Xiao, "Ultra-wideband bandpass filter with hybrid quasi-lumped elements and defected ground structure," IET Microw. Antenna Propag., Vol. 1, No. 3, 733-736, June 2007.
doi:10.1049/iet-map:20060288 Google Scholar
5. Hong, J. S. and M. J. Lancaster, Microstrip Filters for RF/Microwave Applications, 1st edition, Chap. 6, John Wiley, 2001.
6. Pozar, D. M., Microwave Engineering, 2nd edition, Chap. 6, John Wiley, 1998.
7. Zhang, R. and R. R. Mansour, "A novel lowpass microstrip filter using metal loaded slots in the ground plane," IEEE MTT-S Microwave Symp. Dig., 1311-1314, June 2004. Google Scholar
8. Oskouei, H. D., K. Forooraghi, and M. Hakkak, "Guided and leaky wave characteristics of periodic defected ground structures," Progress In Electromagnetics Research, Vol. 73, 15-27, 2007.
doi:10.2528/PIER07031701 Google Scholar
9. Chen, J., Z.-B.Weng, Y.-C. Jiao, and F.-S. Zhang, "Lowpass filter design of Hilbert curve ring defected ground structures," Progress In Electromagnetics Research, Vol. 70, 269-280, 2007.
doi:10.2528/PIER07012603 Google Scholar
10. Ansoft Corporation, Ansoft HFSS ver.10 and Ansoft Designer ver.3.5, .