• DocumentCode
    2947909
  • Title

    Development of Digital FLL System for SQUID Using Double Counter Method

  • Author

    Oyama, D. ; Kobayashi, K. ; Yoshizawa, M. ; Yoshinori, U.

  • Author_Institution
    Iwate Univ., Iwate
  • fYear
    2006
  • fDate
    8-12 May 2006
  • Firstpage
    814
  • Lastpage
    814
  • Abstract
    Digitally controlled flux-locked loop (FLL) system using two counters (double-counter method) is proposed. In conclusion, the double-counter method increases the dynamic range and slew rate of the very low cost D-FLL system. It was also showed the characteristic of the D-FLL system by measuring magnetocardiogram waveform in a large magnetic noise condition.
  • Keywords
    SQUIDs; magnetocardiography; SQUID; digital FLL system; double counter method; flux-locked loop system; magnetic noise; magnetocardiogram waveform; Counting circuits; Digital signal processors; Dynamic range; Feedback loop; Frequency locked loops; Magnetic flux; Magnetic noise; Microcontrollers; Noise measurement; SQUIDs;
  • fLanguage
    English
  • Publisher
    ieee
  • Conference_Titel
    Magnetics Conference, 2006. INTERMAG 2006. IEEE International
  • Conference_Location
    San Diego, CA
  • Print_ISBN
    1-4244-1479-2
  • Type

    conf

  • DOI
    10.1109/INTMAG.2006.374845
  • Filename
    4262247