2018/10/10 by M. Kiviranta, Kiviranta, Mikko
Physics and Astronomy · #FOS: Physical sciences #Instrumentation and Detectors (physics.ins-det) #Instrumentation and Methods for Astrophysics (astro-ph.IM) #Physics of Superconductivity and Magnetism #Semiconductor Quantum Structures and Devices #Superconducting and THz Device Technology #Superconductivity (cond-mat.supr-con)
paper · pdf · doi:10.48550/arxiv.1810.04706
openalex publication_date 2018/10/10 · openalex created_date 2025/10/10 · openalex updated_date 2026/07/28
We suggest SQUID amplifier configuration intended for millikelvin refrigerators where cooling power is limited and hence high power efficiency is desirable. The configuration operates the SQUIDs in class-AB rather than the traditional class-A. A proof-of principle demonstration at T = 4.2 K is presented.