A Cryogenic HBT-CMOS Temperature Sensor Operating From 4 to 70 K. - Chen Deng; Wenhua Gong; Yatao Peng; Jun Yin 001; Jing Wang 131; Jad Benserhir; Lin Cheng 001; Edoardo Charbon; Rui Paulo Martins; Pui-In Mak (IEEE Trans. Circuits Syst. I Regul. Pap., 2026)