Low-dissipating push-pull SQUID amplifier for TES detector readout
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🌌 astro-ph.IM
cond-mat.supr-conphysics.ins-det
keywords
amplifierconfigurationpowersquidclass-aclass-abcoolingdemonstration
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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.
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