A low-noise SQUID simulator with a large dynamic range of up to eight flux quanta

A. Martinez, Jakob Flokstra, C. Rillo, L.A. Angurel, L.M. Garcia, Hermanus J.M. ter Brake

Research output: Contribution to journalArticleAcademicpeer-review

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Abstract

A 19 channel d.c. SQUID magnetometer for biomagnetic research is under construction. The system needs compactly built control and detection electronics and to facilitate the test an electronic circuit simulating the typical periodic characteristics of a SQUID was developed. In total nine steps of triangular shape were implemented with a step voltage reference generator and precision full-wave rectifier. The transfer function of the SQUID electronics and the maximum slew rate of the system could be easily measured.
Original languageEnglish
Pages (from-to)324-329
Number of pages6
JournalCryogenics
Volume30
Issue number2
DOIs
Publication statusPublished - 1990

Keywords

  • Instrumentation
  • SQUIDs
  • SQUID electronics

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