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    LEVEL SHIFTER
    1.
    发明申请
    LEVEL SHIFTER 审中-公开

    公开(公告)号：WO2018022678A2

    公开(公告)日：2018-02-01

    申请号：PCT/US2017/043825

    申请日：2017-07-26

    Applicant: QUALCOMM INCORPORATED

    Inventor： ZHANG, Zhiqing ,  WALKER, Brett ,  YUNG, Chi Fan ,  PHILPOTT, Justin ,  DUNCAN, Joseph

    IPC: H03K19/0185

    Abstract: Certain aspects of the present disclosure provide methods and apparatus for level shifting an input signal ranging between certain voltage levels to generate an output signal ranging between other voltage levels with low power, high speed, and immunity to noise. One example level-shifting circuit generally includes a node for receiving an input signal ranging between a first voltage level and a second voltage level, a first circuit path coupled to the node and configured to level shift the input signal to generate an output signal ranging between a third voltage level and a fourth voltage level, a pulse generator coupled to the node and configured to generate a pulse based on a transition in the input signal between the first and second voltage levels, and a second circuit path connected in parallel with the first path and configured to temporarily short the first path based on the generated pulse.

    LEVEL SHIFTER
    3.
    发明申请
    LEVEL SHIFTER 审中-公开

    公开(公告)号：WO2018022678A3

    公开(公告)日：2018-02-01

    申请号：PCT/US2017/043825

    申请日：2017-07-26

    Applicant: QUALCOMM INCORPORATED

    Inventor： ZHANG, Zhiqing ,  WALKER, Brett ,  YUNG, Chi Fan ,  PHILPOTT, Justin ,  DUNCAN, Joseph

    IPC: H03K19/0185

    Abstract: Certain aspects of the present disclosure provide methods and apparatus for level shifting an input signal ranging between certain voltage levels to generate an output signal ranging between other voltage levels with low power, high speed, and immunity to noise. One example level-shifting circuit generally includes a node for receiving an input signal ranging between a first voltage level and a second voltage level, a first circuit path coupled to the node and configured to level shift the input signal to generate an output signal ranging between a third voltage level and a fourth voltage level, a pulse generator coupled to the node and configured to generate a pulse based on a transition in the input signal between the first and second voltage levels, and a second circuit path connected in parallel with the first path and configured to temporarily short the first path based on the generated pulse.

    Abstract translation: 本公开的某些方面提供了用于对范围在特定电压电平之间的输入信号进行电平移位以产生范围在其他电压电平之间的输出信号的方法和设备，所述输出信号具有低功率，高速度和抗噪声 。 一个示例性电平移位电路通常包括：节点，用于接收范围在第一电压电平和第二电压电平之间的输入信号;第一电路路径，耦合到所述节点并且被配置为对输入信号进行电平移位以生成范围在 第三电压电平和第四电压电平;脉冲发生器，其耦合到所述节点并且被配置为基于所述输入信号在所述第一和第二电压电平之间的转变而产生脉冲;以及第二电路路径，其与所述第一电压电平 路径并配置为基于生成的脉冲临时缩短第一路径。

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