V2EX dc power supply

Dc Power Supply

定义 (Definition)

DC power supply直流电源/直流电源供应器,一种向电路或设备提供稳定直流电(DC)的电源装置。常见于实验室台式电源、适配器、充电器、以及各类电子设备内部电源模块。(也可泛指“直流供电系统”。)

例句 (Examples)

The DC power supply provides 5 volts for the circuit.
直流电源为电路提供 5 伏电压。

Before testing the amplifier, adjust the DC power supply to limit the current and prevent damage.
在测试放大器之前,将直流电源设置为限流,以防止损坏。

发音 (Pronunciation, IPA)

/disi par spla/

词源 (Etymology)

DCdirect current(直流)的缩写,用来区别于 AC(alternating current,交流)。power 源自拉丁语 potere(能够),经法语进入英语;supply 来自古法语 supplyer(补充、供给)。合起来表示“提供直流电力的供给装置”。

相关词 (Related Words)

文学与著作示例 (Notable Works)

  • Horowitz & Hill, The Art of Electronics(《电子学艺术》)常用于描述实验搭建与测试时的直流供电配置。
  • Paul Scherz & Simon Monk, Practical Electronics for Inventors(《发明者实用电子学》)在基础电路实验与电源章节中频繁出现该术语。
  • Texas Instruments / Analog Devices 等厂商的电源设计应用手册(Application Notes)讨论稳压、纹波、限流与直流供电系统时常用。
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