V2EX cascode

Cascode

释义 Definition

cascode(名词):电子电路中的一种级联结构,通常把共射/共源级共基/共栅级上下叠接,用来提高增益带宽并改善隔离(减少米勒效应),常见于放大器与电流镜等模拟电路中。
(也可作动词:to cascode,意为“用共栅/共基方式叠接成级联结构”。)

发音 Pronunciation (IPA)

/kskod/

例句 Examples

A cascode amplifier can handle higher frequencies.
共栅级联放大器可以处理更高的频率。

By using a cascode stage, the designer increased gain and output resistance while reducing the Miller effect in the input transistor.
通过加入共栅级联级,设计者提高了增益和输出电阻,同时降低了输入晶体管的米勒效应。

词源 Etymology

cascode 是一个由电路领域造出的混成词,一般认为结合了 cascade(级联)cathode(阴极)/相关管脚结构 的概念,最早与真空管电路的叠接形式有关;后来该结构被广泛沿用于晶体管与MOSFET的模拟集成电路设计中。

相关词 Related Words

文学与典籍 Literary Works

  • The Art of Electronics(Horowitz & Hill)在模拟放大与高频设计章节中讨论 cascode 的用途与优势。
  • Microelectronic Circuits(Sedra & Smith)讲解级联(cascode)如何提升输出电阻、增益与频率响应。
  • Analysis and Design of Analog Integrated Circuits(Gray, Hurst, Lewis, Meyer)在电流镜与放大器设计中频繁出现 cascode 结构。
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