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    JOSEPHSON CURRENT SOURCE SYSTEMS AND METHODS
    7.
    发明公开
    JOSEPHSON CURRENT SOURCE SYSTEMS AND METHODS 审中-公开

    公开(公告)号：EP3378163A1

    公开(公告)日：2018-09-26

    申请号：EP16788304.0

    申请日：2016-10-10

    申请人： Northrop Grumman Systems Corporation

    发明人： NAAMAN, Ofer ,  MILLER, Donald L

    IPC分类号： H03K3/38 ,  G05F3/02 ,  H03K19/195

    CPC分类号： H03K3/38 ,  H03K19/1952

    摘要： One embodiment describes a Josephson current source system. The system includes a flux-shuttle loop comprising a plurality of stages arranged in a series loop. Each of the plurality of stages includes at least one Josephson junction. The flux-shuttle loop can be configured, when activated, to sequentially trigger the at least one Josephson junction in each of the plurality of stages about the flux-shuttle loop in response to an inductively-coupled AC clock signal to generate a DC output current provided through an output inductor. The system also includes a flux injector system that is configured to activate the flux-shuttle loop. The flux injector system is further configured to automatically deactivate the flux-shuttle loop in response to an amplitude of the DC output current increasing to a predetermined deactivation threshold.