V2EX voltage reference

Voltage Reference

Definition / 定义

“Voltage reference”(基准电压源/参考电压)指一种用于提供稳定、可预测的电压的电路或器件,用来作为测量、比较或控制的“标尺”。常见于 ADC/DAC、稳压、电源管理与精密模拟电路中。(也可指某个系统中被选定为“参考点”的电压。)

Pronunciation / 发音

/voltd rfrns/

Examples / 例句

The ADC needs a stable voltage reference to measure accurately.
ADC 需要稳定的基准电压才能准确测量。

To reduce drift across temperature, the design uses a bandgap voltage reference and careful filtering.
为了降低温度变化带来的漂移,该设计采用带隙基准电压并进行精心滤波。

Etymology / 词源

“Voltage”来自“volt(伏特)”,以意大利科学家亚历山德罗伏打(Alessandro Volta)命名;“reference”源自拉丁语 referre,意为“带回、指向”。合在一起,字面意思就是“用来指向/对照的电压”,引申为电路中的“电压标尺”。

Related Words / 相关词

Literary Works / 文学作品

  • The Art of Electronics(Horowitz & Hill):在模拟/混合信号电路语境中讨论参考电压与精密测量。
  • Designing Analog Chips(Hans Camenzind):涉及基准源、温漂与电源抑制等主题。
  • CMOS Analog Circuit Design(Phillip E. Allen & Douglas R. Holberg):在集成模拟电路设计中讲到参考电压与偏置/基准电路。
  • 各类半导体厂商的模拟与电源管理应用手册(如 Analog Devices、Texas Instruments):大量使用“voltage reference”描述基准源器件与应用电路。
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