V2EX op-amp

Op-amp

释义 Definition

运算放大器(简称 op-amp):一种高增益的模拟集成电路放大器,常用于信号放大、滤波、比较、求和/差、积分/微分等电路;通常与负反馈配合实现稳定、可控的电路功能。(也常写作 op amp

发音 Pronunciation (IPA)

/p mp/ (美式常见)
/p mp/ (英式常见)

例句 Examples

The op-amp boosts the sensor signal.
运算放大器把传感器信号放大。

Using negative feedback, the op-amp circuit achieves a stable gain and reduces distortion across a wide frequency range.
通过负反馈,这个运算放大器电路获得稳定的增益,并在较宽的频率范围内降低失真。

词源 Etymology

op-ampoperational amplifier 的缩略形式。operational 之所以叫“运算”,源于早期模拟计算(如加法、积分等“运算”电路)中大量使用这类放大器;后来运放成为通用的模拟电路基础器件,名称沿用至今。

相关词 Related Words

文学与著作 Literary Works

  • The Art of Electronics(Horowitz & Hill)多处讨论运算放大器的模型、反馈与典型应用电路。
  • Microelectronic Circuits(Sedra & Smith)在模拟电路章节系统讲解 op-amp 及其近似分析。
  • Design with Operational Amplifiers and Analog Integrated Circuits(Sergio Franco)以运放为核心的经典教材与设计参考。
  • Op Amp Applications Handbook / The Op Amp Cookbook(Walter G. Jung)偏工程实践,汇总大量运放应用案例。
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