Compact superconducting single- and dual-band filter design using multimode stepped-impedance resonator*

Project supported by the National Natural Science Foundation of China (Grant No. 61371009) and the Fund from the Chinese Ministry of Science and Technology (Grant No. 2014AA032703).

Wang Xiang1, Wei Bin1, †, Lu Xi-Long2, Guo Xu-Bo1, Cao Bi-Song1
       

(color online) (a) Traditional dual-mode stepped-impedance structure. (b) Odd-mode circuit of dual-mode structure. (c) Even-mode circuit dual-mode structure.