Recent advances in superconducting digital electronics

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  • 超伝導デジタルエレクトロニクスの新展開
  • チョウデンドウ デジタルエレクトロニクス ノ シン テンカイ

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Abstract

<p>Single flux quantum logic (SFQ) circuits, in which a flux quantum is used as an information carrier, have the possibility for opening the door to a new digital system operated at over 100 GHz clock frequency at extremely low power dissipations. Recently, much progress in basic technologies for designing SFQ circuits and operating circuits with high speeds has been made. With advances in these designing tools, large scale circuits including more than several thousand junctions can be easily operated with the clock frequency of more than several tens of GHz. Network devices are possible applications of SFQ logic circuits because of their high through-put nature and the low power dissipation of the SFQ logic. In this paper, recent developments of SFQ circuit technology and applications of this technology will be reviewed.</p>

Journal

  • Oyo Buturi

    Oyo Buturi 72 (1), 3-12, 2003-01-10

    The Japan Society of Applied Physics

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