V2EX isolation amplifier

Isolation Amplifier

释义 Definition(中文)

隔离放大器:一种用于在电气隔离(无直流导通)条件下传输并放大信号的放大器。它把输入与输出在电气上分开,以提高安全性、降低地环路/共模干扰,并保护测量与控制电路(常见于高压测量、工业控制、医疗设备等)。
(注:工程语境中也常简称为“隔离放大”。)

发音 Pronunciation(IPA)

/aslen mplfar/

例句 Examples

The isolation amplifier protects the microcontroller from high voltage.
隔离放大器保护微控制器免受高电压影响。

To reduce ground-loop noise, the engineer used an isolation amplifier between the sensor and the data acquisition system.
为了降低地环路噪声,工程师在传感器与数据采集系统之间使用了隔离放大器。

词源 Etymology(中文)

isolation 来自拉丁语 insula(“岛”)引申为“使隔开、隔离”;amplifier 源自拉丁语 amplificare(“扩大、增强”)。合起来字面意思就是“能在隔离条件下进行增强(放大)的装置”,与其工程用途(隔离+信号放大/传输)高度一致。

相关词 Relted Words

文学与著作 Literary Works(出现示例)

  • The Art of Electronics(Horowitz & Hill,《电子学艺术》):在模拟接口与测量系统相关章节会讨论隔离、隔离式测量与相关器件(包括隔离放大器/隔离技术)。
  • Op Amps for Everyone(Texas Instruments,运算放大器应用书):在信号调理与工业接口应用中常涉及隔离放大器与隔离方案。
  • Analog Devices / Texas Instruments 的应用手册与应用笔记(如隔离式测量、隔离放大器选型与电路设计主题)中高频出现该术语。
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