1. [1] H. Miyake, S. Kitazawa, T. Ishizaki, T. Yamada, and Y. Nagatom, “A miniaturized monolithic dual band filter using ceramic lamination technique for dual band portable telephones, ”IEEE MTT-S Int. Mirow. Symp. Dig. 2, Denver, CO, USA, pp. 789-792, 1997.
2. [2] D. Girbau, A. Lazaro, A. Perez, and L. Pradel, “Dual band bandpass filter based on a hole resonator, ”Microw. Opt. Technol. Lett., vol. 51, no. 7, pp. 1649-1652, July 2009.
3. Novel Dual-Band Filter Incorporating Defected SIR and Microstrip SIR
4. [4] W. He, Z. Ma, C.-P. Chen, T. Anada, and Y. Kobayashi, “A compact dual band bandpass filter using stub loaded two mode resonators and direct source load coupling to obtain improved stopband characteristics, ”Microw. Opt. Technol. Lett., vol. 51, no. 3, pp. 618-621, March 2009.
5. [5] X. Y. Zhang, J. Shi, J.-X. Chen, and Q. Xue, “Dual-mode dual band bandpass filter based on double-sided parallel-strip line, ”Microw. Opt. Technol. Lett., vol. 51, no. 5, pp. 1361-1363, May 2009.