1. Pozar, D. M., Microwave Engineering, 3rd edition, Wiley, New York, 2005.
2. Hong, J. S. and M. J. Lancaster, Microstrip Filter for RF/Microwave Application, Wiley, New York, 2001.
doi:10.1002/0471221619
3. Liu, Y. and W. Dou, "A dual-band filter realized by alternately connecting the main transmission-line with shunt stubs and shunt serial resonators," IEEE Microw. Wirel. Compon. Lett., Vol. 19, 296-298, 2009.
doi:10.1109/LMWC.2009.2020027
4. Tsai, C. M., H. M. Lee, and C. C. Tsai, "Planar filter design with fully controllable second passband," IEEE Trans. Microw. Theory Tech., Vol. 53, 3429-3439, 2005.
doi:10.1109/TMTT.2005.855739
5. Chin, K. S. and J. H. Yeh, "Dual-wideband bandpass filter using short-circuited stepped-impedance resonators," IEEE Microw. Wirel. Compon. Lett., Vol. 19, 155-157, 2009.
doi:10.1109/LMWC.2009.2013736
6. Chang, S. H., M. H. Weng, and H. Kuan, "Design of a compact dual-band bandpass filter using trisection stepped impedance resonators," Microw. Opt. Technol. Lett., Vol. 49, 1274-1277, 2007.
doi:10.1002/mop.22432
7. Zhang, J., J.-Z. Gu, B. Cui, and X. W. Sun, "Compact and harmonic suppression open-loop resonator bandpass filter with tri-section SIR," Progress In Electromagnetics Research, Vol. 69, 93-100, 2007.
doi:10.2528/PIER06120702