Tri-/Quad-/Quint-Band Bandpass Filters Based on Transversal Embedded Asymmetrical Square-Ring Resonator. - Xiaohan Wan; Zhengzhen Jin; Yifan Wang; Guoxin Xu; Lei Zhang; Yang Xiong; Litian Wang (IEEE Access, 2024)

Compact switchable microstrip lowpass filter using cross-shaped resonator with sextuple states. - Xiaohan Wan; Guoxin Xu; Zhengzhen Jin; Yifan Wang; Jingru Li; Jintao Deng; Yang Xiong; Yahui Tian; Dan Li; Litian Wang (Microelectron. J., 2025)