Jove
Visualize
联系我们
JoVE
x logofacebook logolinkedin logoyoutube logo
关于 JoVE
概览领导团队博客JoVE 帮助中心
作者
出版流程编辑委员会范围与政策同行评审常见问题投稿
图书馆员
用户评价订阅访问资源图书馆顾问委员会常见问题
研究
JoVE JournalMethods CollectionsJoVE Encyclopedia of Experiments存档
教育
JoVE CoreJoVE BusinessJoVE Science EducationJoVE Lab Manual教师资源中心教师网站
使用条款与条件
隐私政策
政策

相关概念视频

MOSFET: Enhancement Mode01:22

MOSFET: Enhancement Mode

333
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...
333
Fast Decoupled and DC Powerflow01:24

Fast Decoupled and DC Powerflow

191
The fast decoupled power flow method addresses contingencies in power system operations, such as generator outages or transmission line failures. This method provides quick power flow solutions, essential for real-time system adjustments. Fast decoupled power flow algorithms simplify the Jacobian matrix by neglecting certain elements, leading to two sets of decoupled equations:
191
Biasing of FET01:22

Biasing of FET

270
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...
270
MOSFET01:16

MOSFET

469
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...
469
Field Effect Transistor01:29

Field Effect Transistor

401
Field-effect transistors (FETs) are integral to electronic circuits and distinguished by their three-terminal setup: the gate, drain, and source. These transistors operate as unipolar devices, which utilize either electrons or holes as charge carriers, in contrast to bipolar transistors, which use both types of carriers. The primary function of the FET is to modulate the flow of these carriers from the source to the drain through a channel. The voltage difference between the gate and source...
401
Semiconductors01:22

Semiconductors

696
There is variation in the electrical conductivity of materials - metals, semiconductors, and insulators that are showcased with the help of the energy band diagrams.
Metals such as copper (Cu), zinc (Zn), or lead (Pb) have low resistivity and feature conduction bands that are either not fully occupied or overlap with the valence band, making a bandgap non-existent. This allows electrons in the highest energy levels of the valence band to easily transition to the conduction band upon gaining...
696

您也可能阅读

相关文章

通过共同作者、期刊和引用图与本文相关的文章。

排序
Same author

Compact adaptive spectral imager enabled by MEMS Fabry-Perot filtering chip in longwave infrared.

Microsystems & nanoengineering·2026
Same author

Neurological manifestations in people with HIV in HAART era: a cross-sectional multicenter study.

Frontiers in neurology·2026
Same author

Modular Functionalized Gates for Field-Effect Transistor Biosensors Enabling Reliable Detection of Trace miRNAs.

ACS nano·2026
Same author

VdbHLH60-VdMYB55-VdF3'5'H module positively regulates anthocyanin biosynthesis in rabbiteye blueberry (Vaccinium ashei) fruits.

Plant science : an international journal of experimental plant biology·2026
Same author

Advances and Perspectives in Graphene-Based Quantum Dots Enabled Neuromorphic Devices.

Advanced science (Weinheim, Baden-Wurttemberg, Germany)·2026
Same author

Carbon Nanomaterial Field-Effect Transistor Biosensors and DNA-Based Biointerface Engineering.

ACS nano·2026

相关实验视频

Updated: Jul 1, 2025

Generation and Coherent Control of Pulsed Quantum Frequency Combs
06:42

Generation and Coherent Control of Pulsed Quantum Frequency Combs

Published on: June 8, 2018

9.0K

一个连续的超窄脉冲同步器,使用单体现场可编程门阵列,用于快速部署和可扩展性.

Yuli Ye1,2, Xiongjie Zhang1, Shuai Ma2

  • 1School of Mechanical and Electronic Engineering, East China University of Technology, Nanchang 330013, China.

The Review of scientific instruments
|March 13, 2024
PubMed
概括
此摘要是机器生成的。

这项研究提出了一种基于FPGA的新方法,用于产生具有23ps分辨率的超窄脉冲. 这种灵活的方法使通讯,雷达和电子战等应用程序的精确同步成为可能.

更多相关视频

Rapid Repetition Rate Fluctuation Measurement of Soliton Crystals in a Microresonator
07:42

Rapid Repetition Rate Fluctuation Measurement of Soliton Crystals in a Microresonator

Published on: December 15, 2021

3.1K
Real-Time DC-dynamic Biasing Method for Switching Time Improvement in Severely Underdamped Fringing-field Electrostatic MEMS Actuators
11:44

Real-Time DC-dynamic Biasing Method for Switching Time Improvement in Severely Underdamped Fringing-field Electrostatic MEMS Actuators

Published on: August 15, 2014

10.3K

相关实验视频

Last Updated: Jul 1, 2025

Generation and Coherent Control of Pulsed Quantum Frequency Combs
06:42

Generation and Coherent Control of Pulsed Quantum Frequency Combs

Published on: June 8, 2018

9.0K
Rapid Repetition Rate Fluctuation Measurement of Soliton Crystals in a Microresonator
07:42

Rapid Repetition Rate Fluctuation Measurement of Soliton Crystals in a Microresonator

Published on: December 15, 2021

3.1K
Real-Time DC-dynamic Biasing Method for Switching Time Improvement in Severely Underdamped Fringing-field Electrostatic MEMS Actuators
11:44

Real-Time DC-dynamic Biasing Method for Switching Time Improvement in Severely Underdamped Fringing-field Electrostatic MEMS Actuators

Published on: August 15, 2014

10.3K

科学领域:

  • 电气工程 电气工程
  • 信号处理 信号处理
  • 计算机工程 计算机工程

背景情况:

  • 超窄脉冲对于先进的电子系统中精确触发和同步至关重要.
  • 这些脉冲具有超宽带宽,对于通信,雷达成像和电子战等应用至关重要.
  • 现有的脉冲生成技术存在局限性,这促使人们探索诸如现场可编程门阵列 (FPGA) 等灵活替代方案.

研究的目的:

  • 引入一种新的,可扩展的方法,使用FPGA产生超窄脉冲.
  • 为了实现高分辨率的脉冲同步,分辨率为23皮秒 (ps).
  • 实现一个可编程的,连续的狭窄脉冲序列在一个单一的FPGA内以1GHz的重复频率.

主要方法:

  • 开发一个可扩展的延迟脉冲同步器架构.
  • 在商业领域可编程门阵列 (FPGA) 中实现脉冲生成逻辑.
  • 使用现有的FPGA板对拟议方法的实验室评估.

主要成果:

  • 成功实现一个可编程的,连续的狭窄脉冲序列.
  • 超窄脉冲生成的演示,分辨率为23 ps.
  • 验证该方法在一般商业FPGA上的性能.

结论:

  • 提出的基于FPGA的方法为超窄脉冲同步提供了方便和高效的方法.
  • 这种技术为各种电子系统提供了灵活性和集成优势.
  • 该方法在各种领域广泛适用,需要精确的脉冲定时和同步.