Novel Superconducting Quantum Interference Device Bootstrap Circuit and Its Application in Biomagnetism
نویسندگان
چکیده
The voltage biased SQUID Bootstrap Circuit (SBC) was recently demonstrated for direct readout of SQUID signals. The SBC combines currentand voltage-feedbacks in one circuit to suppress the preamplifier noise. It offers not only a good noise performance, but also wide tolerance of SQUID parameters. Using SBC gradiometer, the bio-magnetic signals were successfully measured. In this paper, we overview the concept of SBC and its applications. key words: SQUID bootstrap circuit (SBC), SQUID readout electronics, SQUID noise, biomagnetic measurement
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عنوان ژورنال:
- IEICE Transactions
دوره 96-C شماره
صفحات -
تاریخ انتشار 2013