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TRANSIENT VOLTAGE DETECTION TECHNIQUE

机译:暂态电压检测技术

摘要

Certain aspects of the present disclosure provide a voltage transient detection circuit. The circuit generally includes a first switch having a first terminal coupled to an input signal source node, and a second switch having a first terminal coupled to the input signal source node. The apparatus includes a first shunt capacitive element coupled to a second terminal of the first switch, a second shunt capacitive element coupled to a second terminal of the second switch, a differential circuit having a first input coupled to the second terminal of the first switch, a second input coupled to the second terminal of the second switch, and an output coupled to an output node of the voltage transient detection circuit. For certain aspects, the apparatus also includes a first current source (selectively) coupled to the first shunt capacitive element and a second current source (selectively) coupled to the second shunt capacitive element.
机译:本公开的某些方面提供了电压瞬变检测电路。该电路通常包括:第一开关,其第一端子耦合到输入信号源节点;以及第二开关,其第一端子耦合到输入信号源节点。该设备包括:第一并联电容元件,其耦合至第一开关的第二端子;第二并联电容元件,其耦合至第二开关的第二端子;差分电路,其第一输入耦合至第一开关的第二端子;第二输入耦合到第二开关的第二端子,输出耦合到电压瞬变检测电路的输出节点。对于某些方面,该设备还包括(选择性地)耦合至第一并联电容元件的第一电流源和(选择性地)耦合至第二并联电容元件的第二电流源。

著录项

  • 公开/公告号US2019334345A1

    专利类型

  • 公开/公告日2019-10-31

    原文格式PDF

  • 申请/专利权人 QUALCOMM INCORPORATED;

    申请/专利号US201815962524

  • 发明设计人 YIKAI WANG;JOSEPH RUTKOWSKI;

    申请日2018-04-25

  • 分类号H02H9/04;H03K17/22;H03K5/06;G01R19/165;H03F1/30;

  • 国家 US

  • 入库时间 2022-08-21 12:09:12

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