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单词 photocoupler
释义

photocoupler /ˌfəutəu'kʌplə/

英汉-汉英词典
n. 光电耦合器
词组 | 习惯用语
您要查找的是不是:
  • photomultiplier n. 光电倍增器
  • photocopy n. 影印本;复印件 v. 影印;复制;复印;(印刷品)影印得好 / 不好
  • photocopier n. 影印机;复印机
  • photoelectric adj. 光电的
  • thermocouple n. 热电偶;温差电偶
photocoupler n. [电子] 光电耦合器;光隔离器

网络短语:
photocoupler diode 释义光电偶二极管
英语例句库
  1. A novel design method of linear isolated amplifier is introduced, which consists of operation amplifier LF353 and photocoupler TLP521.
    摘要应用普通运算放大器LF353和普通光耦TLP521设计了一种新型线性隔离放大器。

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中文百科

光电耦合组件 Opto-isolator

(重定向自Photocoupler)
LED与光电耦合组件的概要图
El optoacoplador combina un LED y un fototransistor.
Planar (top) and silicone dome (bottom) layouts - cross-section through a standard dual in-line package. Relative sizes of LED (red) and sensor (green) are exaggerated.[note 2]

光电耦合组件是以光作为媒体来传输电信号的一组设备,其功能是平时维持电信号输入、输出间有良好的隔离作用,需要时可以使电信号通过隔离层的发送方式。光电耦合组件(英语:optical coupler,或英语:photo coupler),亦称光耦合器、光隔离器以及光电隔离器,简称光耦

光电耦合组件可分为模拟与数字两种,主要由光发射器和光侦测器组成。两种组件通常会集成到同一个封装,但它们之间除了光束之外不会有任何电气或实体连接。

光电耦合组件的光发射器大都是发光二极管(LED),光侦测器的种模拟较多,但多半由光电二极管或光晶体管担任。

英语百科

Opto-isolator 光电耦合元件

(重定向自Photocoupler)
Schematic diagram of an opto-isolator showing source of light (LED) on the left, dielectric barrier in the center, and sensor (phototransistor) on the right.[note 1]
Planar (top) and silicone dome (bottom) layouts - cross-section through a standard dual in-line package. Relative sizes of LED (red) and sensor (green) are exaggerated.[note 2]
A fast photodiode opto-isolator with an output-side amplifier circuit.

In electronics, an opto-isolator, also called an optocoupler, photocoupler, or optical isolator, is a component that transfers electrical signals between two isolated circuits by using light. Opto-isolators prevent high voltages from affecting the system receiving the signal. Commercially available opto-isolators withstand input-to-output voltages up to 10 kV and voltage transients with speeds up to 10 kV/μs.

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更新时间:2025/6/21 15:13:32