forward biased junction

简明释义

正向偏压结

英英释义

例句

1.In solar cells, the forward biased junction 正向偏置结 facilitates the flow of electrons, generating electricity.

在太阳能电池中，forward biased junction 正向偏置结促进电子的流动，从而产生电力。

2.In a typical diode circuit, the current flows through the forward biased junction 正向偏置结 when the voltage is applied in the correct direction.

在典型的二极管电路中，当电压以正确的方向施加时，电流通过forward biased junction 正向偏置结流动。

3.To test the diode functionality, apply a voltage and check if the forward biased junction 正向偏置结 conducts properly.

要测试二极管的功能，请施加电压并检查forward biased junction 正向偏置结是否正常导电。

4.The forward biased junction 正向偏置结 allows for conduction, while a reverse biased junction blocks current flow.

在forward biased junction 正向偏置结中允许导电，而反向偏置结则阻止电流流动。

5.When designing an amplifier, ensure that the transistors are operating in the forward biased junction 正向偏置结 mode to achieve optimal gain.

在设计放大器时，确保晶体管在forward biased junction 正向偏置结模式下工作，以获得最佳增益。

作文

In the world of electronics, understanding the behavior of semiconductor devices is crucial for designing efficient circuits. One of the fundamental concepts in this field is the idea of a forward biased junction. A forward biased junction occurs when a p-n junction diode is connected in such a way that it allows current to flow easily through it. This is achieved by applying a positive voltage to the p-type material and a negative voltage to the n-type material, effectively reducing the barrier potential at the junction. As a result, charge carriers (holes from the p-side and electrons from the n-side) can recombine, leading to a significant increase in current flow.The significance of a forward biased junction lies in its application in various electronic devices, such as rectifiers, amplifiers, and oscillators. For instance, in a rectifier circuit, a forward biased junction allows alternating current (AC) to be converted into direct current (DC) by allowing current to pass only during one half of the AC cycle. This conversion is essential for powering devices that require a stable DC supply.Moreover, the operation of transistors, which are the building blocks of modern electronics, also relies on the principle of a forward biased junction. In bipolar junction transistors (BJTs), the base-emitter junction must be forward biased for the transistor to conduct. This enables the control of a larger current flowing from the collector to the emitter by a smaller current entering the base, showcasing the amplification capability of BJTs.However, it is important to note that a forward biased junction is not without its limitations. Excessive current flow can lead to overheating and potential damage to the semiconductor device. Therefore, engineers must carefully design circuits to ensure that the current remains within safe operating limits. Additionally, the characteristics of the forward biased junction can vary depending on the materials used and the temperature, which adds another layer of complexity to circuit design.In summary, the concept of a forward biased junction is a cornerstone in the study of semiconductor physics and electronics. It plays a vital role in the functionality of diodes and transistors, enabling the development of a wide range of electronic applications. Understanding how to manipulate and utilize a forward biased junction is essential for anyone looking to delve into the field of electronics. As technology continues to advance, the importance of mastering these fundamental concepts will only grow, paving the way for innovations in electronic design and application.

在电子学的世界中，理解半导体器件的行为对于设计高效电路至关重要。在这个领域的一个基本概念是正向偏置结的概念。当p-n结二极管以一种允许电流轻松流过的方式连接时，就会发生正向偏置结。通过将正电压施加到p型材料上，并将负电压施加到n型材料上，从而有效地降低结处的势垒电位。因此，电荷载流子（来自p侧的空穴和来自n侧的电子）可以复合，从而导致电流流动显著增加。正向偏置结的重要性体现在其在各种电子设备中的应用，如整流器、放大器和振荡器。例如，在整流电路中，正向偏置结允许交流电（AC）在交流周期的一个半周内转化为直流电（DC），从而实现转换。这种转换对于为需要稳定直流电源的设备供电至关重要。此外，现代电子学的基石——晶体管的操作也依赖于正向偏置结的原理。在双极结晶体管（BJT）中，基极-发射极结必须是正向偏置的，以使晶体管导通。这使得从集电极到发射极的较大电流能够被较小的进入基极的电流控制，展示了BJT的放大能力。然而，需要注意的是，正向偏置结并非没有局限性。过多的电流流动可能导致过热和潜在的半导体器件损坏。因此，工程师必须仔细设计电路，以确保电流保持在安全工作范围内。此外，正向偏置结的特性可能会因所用材料和温度的不同而有所变化，这为电路设计增加了另一层复杂性。总之，正向偏置结的概念是半导体物理学和电子学研究中的基石。它在二极管和晶体管的功能中发挥着重要作用，使得各种电子应用的发展成为可能。理解如何操纵和利用正向偏置结对任何希望深入电子学领域的人来说都是至关重要的。随着技术的不断进步，掌握这些基本概念的重要性只会增加，为电子设计和应用中的创新铺平道路。