V2EX current source

Current Source

释义 Definition

电流源:一种电路元件或等效模型,用来向负载提供(理想情况下)恒定的电流,其端电压会随外部电路变化而调整。
(在非电学语境中,current source 也可泛指“当前的信息/资金来源”等,但最常见用法是电路中的“电流源”。)

发音 Pronunciation (IPA)

/knt srs/

例句 Examples

A current source can keep the current steady.
电流源可以让电流保持稳定。

In the Norton equivalent circuit, the network is modeled as a current source in parallel with a resistor.
在诺顿等效电路中,网络常被建模为一个与电阻并联的电流源。

词源 Etymology

current 来自拉丁语 currere(“奔跑、流动”),引申为“流动的(电流)”;source 来自古法语 sourse/source(“来源、起点”)。组合成 current source,直译为“电流的来源”,在电工电子学中专指“提供电流的源/元件/模型”。

相关词 Related Words

文学与著作 Literary Works

  • The Art of Electronics(Horowitz & Hill)在模拟电路与偏置设计中讨论电流源/恒流源的用途
  • Microelectronic Circuits(Sedra / Smith)在晶体管电流镜、偏置电路章节频繁出现 current source
  • Electric Circuits(Nilsson / Riedel)在电路分析与源等效(诺顿/戴维南)中使用该术语
  • Engineering Circuit Analysis(Hayt, Kemmerly & Durbin)在源转换、等效电路建模中出现该概念
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