threshold voltage

简明释义

阈电压

英英释义

The minimum voltage that must be applied to a semiconductor device, such as a transistor, to turn it on and allow current to flow.

必须施加到半导体器件(如晶体管)上的最低电压,以使其开启并允许电流流动。

例句

1.Designers must consider the threshold voltage 阈值电压 when selecting components for low-power applications.

设计者在为低功耗应用选择组件时必须考虑threshold voltage 阈值电压

2.In analog circuits, the threshold voltage 阈值电压 determines the point at which the signal is recognized as 'high'.

在模拟电路中,threshold voltage 阈值电压决定信号被识别为“高”的点。

3.A higher threshold voltage 阈值电压 can lead to increased power consumption in digital circuits.

更高的threshold voltage 阈值电压可能导致数字电路中的功耗增加。

4.To ensure reliable operation, the threshold voltage 阈值电压 should be well-defined in the specifications.

为了确保可靠运行,threshold voltage 阈值电压应在规格中明确定义。

5.The threshold voltage 阈值电压 of this MOSFET is 2V, which means it will start conducting at that voltage.

这个MOSFET的threshold voltage 阈值电压是2V,这意味着它在该电压下开始导通。

作文

In the field of electronics, the concept of threshold voltage plays a crucial role in determining how devices function. The threshold voltage is defined as the minimum gate-to-source voltage that is necessary to create a conducting path between the source and drain terminals of a transistor. Understanding this concept is essential for anyone involved in designing or working with electronic circuits, as it directly impacts the performance and efficiency of various components such as MOSFETs (Metal-Oxide-Semiconductor Field-Effect Transistors). When we consider the operation of a MOSFET, the threshold voltage represents a critical point. Below this voltage, the transistor remains in an 'off' state, meaning that it does not conduct electricity. This characteristic is fundamental for digital circuits, where transistors act as switches. In the 'on' state, which occurs when the gate voltage exceeds the threshold voltage, the transistor allows current to flow, enabling the circuit to perform its intended function. The significance of the threshold voltage extends beyond just the basic on/off functionality of transistors. It also influences the speed and power consumption of electronic devices. For instance, a lower threshold voltage can lead to faster switching times, which is particularly advantageous in high-speed applications such as microprocessors and communication devices. However, if the threshold voltage is too low, it might result in increased leakage currents when the device is supposed to be off, leading to higher power consumption and reduced battery life in portable devices. Moreover, the threshold voltage can vary based on several factors, including temperature, fabrication process, and the physical dimensions of the transistor. As technology advances and devices become smaller, the control over the threshold voltage becomes increasingly vital. Engineers must carefully design and fabricate transistors to ensure that the threshold voltage is optimized for the specific application. In summary, the threshold voltage is a fundamental parameter that affects the operation of electronic devices. Its importance cannot be overstated, as it determines whether a transistor is in the 'on' or 'off' state, impacting the overall performance of circuits. As technology continues to evolve, understanding and controlling the threshold voltage will remain a key focus for engineers and designers in the field of electronics. By mastering this concept, professionals can contribute to the development of more efficient, powerful, and compact electronic devices that meet the demands of modern society.

在电子学领域,阈值电压的概念在确定设备功能方面起着至关重要的作用。阈值电压被定义为使晶体管源极和漏极之间形成导电路径所需的最小栅极到源极电压。理解这个概念对于任何参与电子电路设计或工作的人员来说都是必不可少的,因为它直接影响各种组件(如金属氧化物半导体场效应晶体管(MOSFET))的性能和效率。当我们考虑MOSFET的操作时,阈值电压代表了一个关键点。在此电压以下,晶体管保持在“关闭”状态,这意味着它不导电。这种特性对于数字电路至关重要,其中晶体管充当开关。在“开启”状态下,当栅极电压超过阈值电压时,晶体管允许电流流动,使电路能够执行其预期功能。阈值电压的重要性不仅仅局限于晶体管的基本开/关功能。它还影响电子设备的速度和功耗。例如,较低的阈值电压可以导致更快的开关时间,这在微处理器和通信设备等高速应用中尤为有利。然而,如果阈值电压过低,可能会导致在设备应处于关闭状态时出现更高的漏电流,从而导致功耗增加和便携式设备电池寿命缩短。此外,阈值电压可能会因多种因素而异,包括温度、制造工艺和晶体管的物理尺寸。随着技术的进步和设备变得更小,对阈值电压的控制变得越来越重要。工程师必须仔细设计和制造晶体管,以确保阈值电压针对特定应用进行了优化。总之,阈值电压是影响电子设备操作的基本参数。它的重要性不容小觑,因为它决定了晶体管处于“开启”还是“关闭”状态,从而影响电路的整体性能。随着技术的不断发展,理解和控制阈值电压将始终是电子领域工程师和设计师关注的重点。通过掌握这一概念,专业人士可以为开发更高效、更强大和更紧凑的电子设备做出贡献,以满足现代社会的需求。

相关单词

threshold

threshold详解:怎么读、什么意思、用法

voltage

voltage详解:怎么读、什么意思、用法