Characteristic Simulation of the High Temperature Superconducting Micostrip Bandpass Filters using $Y_1Ba_2Cu_3O_{7-x}$ Films

$Y_1Ba_2Cu_3O_{7-x}$ 박막을 이용한 Ku-밴드 HTS 마이크로스트립 대역통과 필터의 전산모사 특성

This paper described design and simulation of the high-Tc superconducting (HTS) microstrip bandpass filter (BPF) on MgO substrate using $Y_1Ba_2Cu_3O_{7-x}$ films that show superconductivity ${at \fallingdotseq}90$ K. Design parameters for the characteristic of the bandpass filter in Ku-band were obtained by approximate design formulas. It used parallel coupled stripline stepped impedance resonators (SIR). Microwave design system, MDS(EEsorf S/W) was used to derive the optimal pattern of the filters and to simulate frequency response. In computer-aided results, optimally designed HTS filters got good performance compared with the gold counter-parts on frequency response $S_{21}$, $S_{11}$.