1. [1] K. Wada and I. Awai, “Design of a bandpass filter with multiple attenuation poles based on tapped resonators,” IEICE Trans. Electron., vol.E82-C, no.7, pp.1116–1122, July 1999.
2. [2] K. Hosoya, S. Tanaka, Y. Amamiya, T. Niwa, H. Shimawaki, and K. Honjo, “RF HBT oscillators with low-phase noise and high-power performance utilizing a (λ/4±δ) open-stubs reasonator,” IEEE trans. Circuit and Systems-I, vol.53, no.8, pp.1670–1682, Aug. 2006.
3. [3] C. Caloz and T. Itoh, Electromagnetic Metamaterials: Transmission Line Theory and Microwave Applications, Wiley, New York, 2005.
4. [4] H. Okabe, C. Caloz, and T. Itoh, “A compact enhanced-bandwidth hybrid ring using an artificial lumped-element left-handed transmission-line section,” IEEE Trans. Microw. Theory Tech., vol.52, no.3, pp.798–804, Mar. 2004.
5. [5] I. H. Lin, M. DeVicentis, C. Caloz, and T. Itoh, “Arbitrary dual-band components using composite right/left-handed transmission lines,” IEEE Trans. Microw. Theory Tech., vol.52, no.4, pp.1142–1149, Apr. 2004.