A 140-GHz CMOS Four-Way Power Combining Doherty Power Amplifier With Adaptive Biasing. - Junyuan Tu; Guohao He; Aguan Hong; Yuxin Yang; Xiang Yi; Pei Qin; Haoshen Zhu; Wenquan Che; Quan Xue (IEEE Trans. Circuits Syst. II Express Briefs, 2025)