A 12.5-50 GHz frequency synthesizer for Software-Defined Radios in 40-nm CMOS. - Yanhui Wu; Shize Duan; Zhenrong Li; Jianbo Qiu; Jiayi Li; Xi Ji; Jinsong Tu; Jie Li; Cong Li; Gangzi Chen; Qiong Li (Microelectron. J., 2025)