[1] A. M. Abbosh, “Design Method for Ultra-Wideband Bandpass Filter With Wide Stopband Using Parallel-Coupled Microstrip Lines,” IEEE Transactions on Microwave Theory and Techniques, Vol. 60, No. 1, 2012.
[2] A.K. Keskin, H.P. Partal, “An UWB High-Q Bandpass Filter with Wide Rejection Band using Defected Ground Structures,” 2012 IEEE International Conference on Ultra-Wideband Syracuse, NY, 17-20 September 2012.
[3] Ching-Luh Hsu, Fu-Chieh Hsu, and Jen-Tsai Kuo, “Microstrip Bandpass Filters for Ultra Wide Band (UWB) Wireless Communication,” Microwave Symposium Digest, 2005 IEEE MTT-S International, 12-17 June 2005.
[4] David D. Wentzloff, Fred S. Lee, Denis C. Daly, Manish Bhardwaj, Patrick P. Mercier, and Anantha P. Chandrakasan, “Energy Efficient Pulsed-UWB CMOS Circuits and Systems,” ICUWB Conference, Singapore, 24-26 September 2007.
[5] D.K.change, “Field wave Electro magneties,” Second Edition, Addision Wesley 1981.
[6] Feng, Wenjie, Wenquan Che, and Quan Xue. "Compact ultra-wideband bandpass filters with narrow notched bands based on a ring resonator." Microwaves, Antennas & Propagation, IET 7, no. 12, 961-969, 2013.
[7] Gao, Ming-Jian, Lin-Sheng Wu, and Jun-Fa Mao, “Compact notched ultra-wideband bandpass filter with improved out-of-band performance using quasi electromagnetic bandgap structure," Progress In Electromagnetics Research 125 (2012): 137-150.
[8] Ian D. O’Donnell, Mike S. W. Chen, Stanley B. T. Wang, Robert W. Brodersen, “An Integrated, Low Power, Ultra-Wideband Transceiver Architecture for Low Rate, Indoor Wireless Systems,” IEEE CAS Workshop on Wireless Communications and Networking, Pasadena, CA, USA, Sep. 2002.
[9] I-Tseng Tang, Ding-Bing Lin, Chi-Min Li, and Min-Yuan Chiu, “Ultra-Wideband Bandpass Filter Using Hybrid Microstrip-Defected-Ground Structure,” Microwave and Optical Technology Letters, Vol. 50, No. 12, December 2008.
[10] Joshi M, “Ultra Wide Bandwidth,” International Conference on Education Technology and Computer (ICETC), Shangai, 22-24, June 2010.
[11] j.s Hong M.j.Lancaste. “Mierostrip Filters for RF/Mierowave Applications,” John Wiley & Sons, 2001.
[12] Liu, Chin‐Yen, Ji‐Chyun Liu, and Jing‐Chung Xu. "Compact tri‐notched ultrawideband bandpass filter design using CSRR, DGS, and FMRR configurations." International Journal of RF and Microwave Computer‐Aided Engineering 24, no. 5 (2014): 571-579.
[13] Matthaei,G.L, “Design of parallel-coupled resonator filters,” Microwave Magazine, IEEE, Volume:8, Issue:5, 2007.
[14] Peng, Yanyan, and Feng Xu. "Coplanar-Waveguide Ultra-Wideband Bandpass Filter Based on Interdigital Structure." In First International Conference on Information Science and Electronic Technology (ISET 2015). Atlantis Press, 2015.
[15] Wang, Xiao-Hua, Hualiang Zhang, and Bing-Zhong Wang. "A novel ultra-wideband differential filter based on microstrip line structures." Microwave and Wireless Components Letters, IEEE 23, no. 3 (2013): 128-130.
[16] Weng, L. H., Y. C. Gue, X. W. Shi, and X. Q. Chen, “An overview on defected ground structure,” Progress In Electromagnetics Research B, Vol. 7, 173
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