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Frequency domain multiplexed readout of TES detector arrays with baseband feedback

  • R. Den Hartog
  • , J. Beyer
  • , D. Boersma
  • , M. Bruijn
  • , L. Gottardi
  • , H. Hoevers
  • , R. Hou
  • , Mikko Kiviranta
  • , P. De Korte
  • , J. Van Der Kuur
  • , B.-J. Van Leeuwen
  • , M. Lindeman
  • , A. Nieuwenhuizen

    Research output: Contribution to journalArticleScientificpeer-review

    Abstract

    SRON is developing an electronic read-out system for an array of Transition-Edge Sensors (TES) which combines the techniques of Frequency Domain Multiplexing (FDM) with Base-Band FeedBack (BBFB). Its potential astronomical applications are in the read-out of soft X-ray microcalorimeters of the XMS instrument on the International X-ray Observatory (IXO) and the far-IR bolometers of the SAFARI instrument on the Japanese-European mission SPICA. In this paper we focus on the experimental verification of the system, demonstrating for 16 pixels that simultaneous read-out does not degrade the noise performance, and that crosstalk between pixels is close to the requirements for IXO. A detailed analysis of the BBFB system is presented, identifying its limitations and routes for improvement to the levels required for implementation on both missions.
    Original languageEnglish
    Pages (from-to)289-293
    Number of pages8
    JournalIEEE Transactions on Applied Superconductivity
    Volume21
    Issue number3
    DOIs
    Publication statusPublished - 2011
    MoE publication typeA1 Journal article-refereed

    Keywords

    • Bolometers
    • FDM
    • IXO
    • Microcalorimeters
    • SPICA
    • SQUID read-out electronics
    • TES

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