V2EX gate voltage

Gate Voltage

释义 Definition

栅极电压:在场效应管(如 MOSFET)中,加在栅极(Gate)源极(Source)之间的电压(常记为 V_GS),用来控制器件沟道的导通程度与电流大小;当栅极电压超过阈值电压(threshold voltage)时,器件通常开始显著导通。(在不同器件与电路语境中,也可能泛指“施加在栅极端子的控制电压”。)

发音 Pronunciation (IPA)

/et voltd/
/et vltd/

例句 Examples

The gate voltage turns the MOSFET on.
栅极电压会把 MOSFET 打开(导通)。

As temperature rises, the threshold shifts, so the same gate voltage produces a different drain current.
温度升高时阈值会发生漂移,因此相同的栅极电压会产生不同的漏极电流。

词源 Etymology

gate 原义为“门、闸门”,在电子学里借用为“像门一样控制通断的端子/控制端”,因此 MOSFET 的控制端被称为 gate(栅极)voltage 来自 volt(伏特,电压单位)加后缀 -age 表示“状态/量”,合起来 gate voltage 就是“栅极上的控制电压”。

相关词 Related Words

文献与作品 Literary / Notable Works

  • Microelectronic Circuits(Sedra & Smith,《微电子电路》):讨论 MOSFET 的 gate voltage / V_GS 与工作区、传输特性关系。
  • Physics of Semiconductor Devices(S. M. Sze & Kwok K. Ng,《半导体器件物理》):在 MOS 结构与沟道形成机理中频繁使用 gate voltage
  • CMOS VLSI Design: A Circuits and Systems Perspective(Weste & Harris,《CMOS 超大规模集成电路设计》):以 gate voltage 分析 CMOS 反相器与逻辑门的开关行为。
  • IEEE 期刊论文(如 IEEE Journal of Solid-State Circuits, IEEE Transactions on Electron Devices):常用 gate voltage 表述器件偏置条件、可靠性(如热载流子、栅氧应力)与特性曲线测量方法。
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