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). |
(color online) (a) Simulated and measured results of the dual-band filter, (b) values of measured S21 transmission coefficient of dual-band filter at various operating temperatures. |