A 18.3-38.3-GHz Power Amplifier With Adaptive Dual-Voltage-Path Crossing Cold-FET Pair Achieving 22.7-dBm Psat and 31.9% PAE. - Xuelong Chen; Haoshen Zhu; Zhuohang Liang; Jingye Zhang; Dingyuan Zeng; Song Chen; Quan Xue (IEEE Trans. Circuits Syst. II Express Briefs, 2026)