Synthesis Design of Equal-Ripple and Quasi-Elliptic Wideband BPFs With Independently Reconfigurable Lower Passband Edge. - Xiao-Meng Wang; Xiao-Kun Bi; Shao-Hua Guo; Jin He 003; Chun-Lai Li; Jingjing Liu 003; Guo-Qing Hu; Guang-Jin Ma; Zhongting Xu (IEEE Access, 2020)