V2EX input stage

Input Stage

Definition / 释义

(尤指电子、电路、信号处理或计算机系统中的)输入级/输入阶段:系统、设备或流程中接收外部信号/数据的那一部分,通常负责初步接收、匹配、放大、滤波或采样等。

Pronunciation / 发音

/npt sted/

Examples / 例句

The input stage converts the sensor signal into a usable voltage.
输入级把传感器信号转换成可用的电压。

Because the input stage is noisy, the entire measurement chain becomes less accurate at low frequencies.
由于输入级噪声较大,整个测量链在低频时的精度会下降。

Etymology / 词源

inputin(进入)+ put(放置)构成,原义偏向“投入/输入”;stage 源自拉丁语 stadium(站立处、阶段),在英语里常指“阶段、环节”。合起来的 input stage 按字面即“输入的阶段/环节”,在工程语境中固定指系统的前端输入部分。

Related Words / 相关词

Literary Works / 文学作品

  • The Art of Electronics(Horowitz & Hill,《电子学艺术》):常用 input stage 指运放、电路前端的输入级设计与噪声控制。
  • Designing Audio Power Amplifiers(Bob Cordell,《音频功率放大器设计》):讨论放大器 input stage 的线性度、失真与偏置。
  • CMOS VLSI Design: A Circuits and Systems Perspective(Weste & Harris,《CMOS 超大规模集成电路设计》):在电路与系统章节中频繁出现 input stage(输入级/输入级电路)的表述。
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