3.8 A 0.954nW 32kHz Crystal Oscillator in 22nm CMOS with Gm-C-Based Current Injection Control - Zhang, Yihan; You, You; Ren, Wenjie; Xinhang Xu; Shen, Linxiao; Ru, Jiayoon; Ru HUANG; Ye, Le (2023 IEEE International Solid- State Circuits Conference (ISSCC), 2023)