http://arxiv.org/abs/1810.04706
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.
M. Kiviranta
Fri, 12 Oct 18
20/59
Comments: 4 pages, 6 figures
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