A 0.74-mW K${}_u$-band Cryogenic SiGe LNA in 130-nm BiCMOS with 14-K Noise Temperature for Scalable Quantum Readout

Xiuhan Chen, Haoling Li, Gun Suer +4

This paper presents a sub-milliwatt K${}_u$-band cryogenic low-noise amplifier (LNA) implemented in GlobalFoundries (GF) 130CBIC SiGe BiCMOS, intended for a sub-Kelvin qubit readout…