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相关概念视频

MOSFET: Enhancement Mode01:22

MOSFET: Enhancement Mode

746
Enhancement-mode MOSFETs are pivotal components in electronics, distinguished by their capacity to act as highly efficient switches. They are part of the larger family of metal-oxide Semiconductor Field-Effect Transistors (MOSFETs). They are available in two types: p-channel and n-channel, each tailored to specific polarity operations.
In their basic form, enhancement-mode MOSFETs are typically non-conductive when the gate-source voltage (Vgs) is zero. This default 'off' state means no...
746
MOSFET: Depletion Mode01:20

MOSFET: Depletion Mode

792
Depletion-mode MOSFETs represent a unique subset of MOSFET technology, functioning fundamentally differently from their enhancement-mode counterparts. Unlike enhancement MOSFETs, which require a positive gate-source voltage (Vgs) to turn on, depletion-mode MOSFETs are inherently conductive and "normally on" devices.
The primary characteristic of depletion-mode MOSFETs is their ability to conduct current between the drain and source terminals without gate bias. This inherent conductivity...
792
Characteristics of MOSFET01:17

Characteristics of MOSFET

881
Metal-oxide-semiconductor field-effect Transistors, or MOSFETs, play a critical role in electronic circuits. They are primarily utilized for amplifying and switching signals.
Various vital parameters influence their functionality, which is crucial for theory and electronics applications. First, channel dimensions, precisely length, and width, are pivotal. The size of these channels affects the transistor's ability to carry current and switching speeds; shorter channels typically enable...
881
MOSFET01:16

MOSFET

1.1K
The Metal-Oxide-Semiconductor Field-Effect Transistor (MOSFET) plays a pivotal role in modern electronics thanks to its versatility and efficiency in controlling electrical currents. This device, also known as IGFET, MISFET, and MOSFET, has three main terminals: the Source, Drain, and Gate. MOSFETs are classified into n-channel or p-channel types based on the doping characteristics of their substrate and the source or drain regions.
In an n-MOSFET, the structure includes n-type source and drain...
1.1K
MOSFET Amplifiers01:17

MOSFET Amplifiers

460
The MOSFET, when operating in its active region, functions as a voltage-controlled current source. In this region, the gate-to-source voltage controls the drain current. This principle underlies the operation of the transconductance MOSFET amplifier. The output current is directed through a load resistor to convert this amplifier into a voltage amplifier. The output voltage is then obtained by subtracting the voltage drop across the load resistance from the supply voltage. This process results...
460
Biasing of FET01:22

Biasing of FET

653
Biasing a Junction Field Effect Transistor (JFET) is crucial for setting operational parameters and ensuring efficient functioning in electronic circuits. JFETs are characterized by using a single carrier type in N-channel or P-channel configurations, where the channel is surrounded by PN junctions. These junctions are central to the device's ability to control current flow.
In an N-channel JFET, the structure consists of N-type material forming the channel on a P-type substrate, with the...
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高性能多重倒置层选择性埋藏的三门垂直沟功率MOSFET

M Ejaz Aslam Lodhi1, Sajad A Loan2, Abdul Quaiyum Ansari1

  • 1Department of Electrical Engineering, Jamia Millia Islamia, New Delhi, India.

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概括

这项研究引入了一种新型的垂直三门功率MOSFET (TGSBTPMOS),显著改善了状态电流和降低了电阻. 先进的设计增强了动力电子应用的静态和切换性能.

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科学领域:

  • 半导体设备物理 半导体设备物理
  • 电力电子 电力电子 电力电子

背景情况:

  • 传统的电源 MOSFET 面临着当前状态和电阻的限制.
  • 优化设备架构对于增强电源处理能力至关重要.

研究的目的:

  • 分析了一种新的垂直三门选择性埋下沟功率MOSFET (TGSBTPMOS) 的特性.
  • 与传统设计相比,评估TGSBTPMOS提供的性能改进.

主要方法:

  • 一种新的垂直三门选择性埋下沟功率MOSFET的设备制造和特征.
  • 使用 2-D Silvaco ATLAS 模拟来分析设备性能指标.

主要成果:

  • 该TGSBTPMOS表现出超低的启动电阻 (0.38 mΩ.cm2) 和高的启动电流.
  • 在门到排水负荷 (Qgd),阻力 (Ron.sp) 和Balliga的优点数据 (FOM1,FOM2) 中观察到显著的改善.
  • 在FOM1中实现了4.86个数量级的改进,在Ron.sp中达到68.85%,在Qgd中达到94.54%,在FOM2.中达到98.34%.

结论:

  • 拟议的TGSBTPMOS显示出优越的静态和切换性能.
  • 这种新的设备架构代表了功率MOSFET技术的重大进步.