V2EX hemt

HEMT

释义 Definition

HEMT:指高电子迁移率晶体管(High Electron Mobility Transistor),一种利用异质结结构获得高载流子迁移率的场效应晶体管,常用于射频(RF)/微波放大器、高频低噪声器件与功率器件(如 GaAs HEMTGaN HEMT)。

发音 Pronunciation

/hmt/

例句 Examples

HEMTs are widely used in RF amplifiers.
HEMT 广泛用于射频放大器中。

Because GaN HEMTs can handle high power and high frequency, they are common in modern radar and 5G base stations.
由于氮化镓 HEMT 能在高功率与高频条件下工作,它们常见于现代雷达与 5G 基站中。

词源 Etymology

HEMT 来自首字母缩略词 High Electron Mobility Transistor(高电子迁移率晶体管)。该术语在半导体与微波器件领域中形成并普及,用于强调其通过异质结提高电子迁移率、从而提升高频性能的特点。

相关词 Related Words

文学与著作中的用例 Literary Works

  • David M. Pozar, Microwave Engineering(微波工程经典教材中讨论微波放大器与相关晶体管器件,常涉及 HEMT)
  • Behzad Razavi, RF Microelectronics(射频微电子教材中介绍 RF 前端器件与放大器设计,常出现 HEMT)
  • IEEE 期刊论文(如 IEEE Transactions on Microwave Theory and TechniquesIEEE Electron Device Letters 中大量关于 GaN/GaAs HEMT 的器件与电路研究)
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