• DocumentCode
    15717
  • Title

    9 bit superconductive single-flux-quantum digital-to-analogue converter

  • Author

    Mizugaki, Y. ; Takahashi, Y. ; Shimada, Hiroki ; Maezawa, M.

  • Author_Institution
    Univ. of Electro-Commun., Chofu, Japan
  • Volume
    50
  • Issue
    22
  • fYear
    2014
  • fDate
    10 23 2014
  • Firstpage
    1637
  • Lastpage
    1639
  • Abstract
    The design and operation of a 9 bit superconductive single-flux-quantum (SFQ) digital-to-analogue converter (DAC) are presented. The DAC comprises a 9 bit variable SFQ pulse number multiplier and a 100-fold voltage multiplier. An SFQ pulse-frequency modulation technique is employed for coding the analogue output voltage. The DAC is fabricated using an Nb Josephson integration technology. Its output voltage waveform, the amplitude of which is up to 2.54 mVpp, is controlled by digital input signals from a room-temperature data generator.
  • Keywords
    digital-analogue conversion; niobium; pulse frequency modulation; Josephson integration technology; Nb; PFM technique; PNM; SFQ digital-to-analogue converter; data generator; digital input signals; pulse number multiplier; pulse-frequency modulation; superconductive single-flux-quantum DAC; temperature 293 K to 298 K; word length 9 bit;
  • fLanguage
    English
  • Journal_Title
    Electronics Letters
  • Publisher
    iet
  • ISSN
    0013-5194
  • Type

    jour

  • DOI
    10.1049/el.2014.1926
  • Filename
    6937286