forward bias

简明释义

正偏

英英释义

例句

1.During testing, we observed that the forward bias 正向偏置 reduced the resistance across the junction.

在测试过程中，我们观察到forward bias 正向偏置降低了结的电阻。

2.When designing circuits, engineers must consider the forward bias 正向偏置 to ensure proper functionality.

在设计电路时，工程师必须考虑forward bias 正向偏置以确保电路的正常功能。

3.In photovoltaic cells, forward bias 正向偏置 can enhance the efficiency of energy conversion.

在光伏电池中，forward bias 正向偏置可以提高能量转换的效率。

4.The forward bias 正向偏置 in a transistor allows it to amplify signals effectively.

晶体管中的forward bias 正向偏置使其能够有效地放大信号。

5.In a diode, the application of a positive voltage to the anode creates a forward bias 正向偏置, allowing current to flow.

在二极管中，对阳极施加正电压会形成一个forward bias 正向偏置，使电流得以流动。

作文

In the world of electronics, understanding the concept of forward bias is crucial for anyone involved in circuit design or semiconductor technology. Forward bias refers to the condition in which a diode allows current to flow through it. This occurs when the positive voltage is applied to the anode and a negative voltage to the cathode. By applying this voltage, the potential barrier at the junction of the p-type and n-type materials is lowered, allowing charge carriers to move freely across the junction. This phenomenon is fundamental to the operation of various electronic devices, including rectifiers, amplifiers, and oscillators.The significance of forward bias can be observed in everyday applications. For instance, in a simple LED circuit, when the LED is connected in forward bias, it emits light. This is because the current flowing through the LED causes electrons to recombine with holes, releasing energy in the form of photons. Conversely, if the LED is connected in reverse bias, it does not emit light as the current is blocked. This simple example illustrates how forward bias is essential for the functionality of numerous electronic components.Additionally, forward bias plays a vital role in the performance of transistors, which are the building blocks of modern electronic devices. In a bipolar junction transistor (BJT), for instance, the base-emitter junction must be in forward bias for the transistor to operate in the active region. This allows the transistor to amplify signals effectively. Without forward bias, the transistor would not function as intended, leading to circuit failure.Moreover, the concept of forward bias extends beyond just diodes and transistors; it is also relevant in solar cells. When sunlight hits a solar cell, it generates electron-hole pairs. The application of forward bias helps to separate these charges, allowing them to flow through an external circuit and generate electricity. This principle is what makes solar energy a viable source of renewable energy, highlighting the importance of forward bias in sustainable technology.Understanding forward bias is not only important for engineers and technicians but also for students studying electronics. A solid grasp of this concept can lead to better insights into how various devices work and their applications in real-world scenarios. As technology continues to evolve, the principles surrounding forward bias will remain foundational in the development of new electronic innovations.In conclusion, forward bias is a fundamental concept in electronics that enables the flow of current through diodes and other semiconductor devices. Its applications are vast, ranging from simple LED circuits to complex transistors and solar cells. By comprehending forward bias, one can appreciate the intricate workings of electronic devices and their impact on our daily lives. As we move forward in a technology-driven world, the relevance of forward bias will undoubtedly persist, shaping the future of electronics and energy solutions.

在电子学的世界中，理解正向偏置的概念对任何参与电路设计或半导体技术的人来说都是至关重要的。正向偏置指的是二极管允许电流通过的状态。这发生在正电压施加到阳极，而负电压施加到阴极时。通过施加这种电压，p型和n型材料交界处的势垒降低，使电荷载体能够自由地穿过结。这种现象是各种电子设备正常运行的基础，包括整流器、放大器和振荡器。正向偏置的重要性可以在日常应用中观察到。例如，在一个简单的LED电路中，当LED以正向偏置连接时，它会发光。这是因为流过LED的电流导致电子与空穴复合，释放出以光子形式存在的能量。相反，如果LED以反向偏置连接，则不会发光，因为电流被阻断。这个简单的例子说明了正向偏置对于众多电子元件的功能至关重要。此外，正向偏置在晶体管的性能中也起着重要作用，晶体管是现代电子设备的基础。在双极结晶体管（BJT）中，例如，基极-发射极结必须处于正向偏置状态，才能使晶体管在主动区域工作。这使得晶体管能够有效地放大信号。如果没有正向偏置，晶体管将无法按预期工作，导致电路故障。而且，正向偏置的概念不仅限于二极管和晶体管；它在太阳能电池中也同样相关。当阳光照射到太阳能电池上时，它会产生电子-空穴对。施加正向偏置有助于分离这些电荷，使其能够通过外部电路流动并产生电力。这一原理使得太阳能成为可再生能源的可行来源，突显了正向偏置在可持续技术中的重要性。理解正向偏置不仅对工程师和技术人员重要，对学习电子学的学生同样重要。对这一概念的扎实掌握可以更好地洞察各种设备的工作原理及其在现实世界中的应用。随着技术的不断发展，围绕正向偏置的原则将始终是开发新电子创新的基础。总之，正向偏置是电子学中的一个基本概念，使电流能够通过二极管和其他半导体设备。它的应用范围广泛，从简单的LED电路到复杂的晶体管和太阳能电池。通过理解正向偏置，人们可以欣赏电子设备的复杂工作原理及其对我们日常生活的影响。随着我们在技术驱动的世界中向前发展，正向偏置的相关性无疑会持续，并塑造电子和能源解决方案的未来。