bipolar transistor

简明释义

双极性晶体管

英英释义

例句

1.In this project, we will replace the old bipolar transistor 双极晶体管 with a more efficient model.

在这个项目中，我们将用更高效的型号替换旧的双极晶体管 bipolar transistor。

2.The bipolar transistor 双极晶体管 operates in three regions: cutoff, active, and saturation.

双极晶体管 bipolar transistor 在三个区域内工作：截止区、主动区和饱和区。

3.The bipolar transistor 双极晶体管 is widely used in analog circuits.

在模拟电路中，双极晶体管 bipolar transistor 被广泛使用。

4.When designing circuits, understanding the characteristics of a bipolar transistor 双极晶体管 is crucial.

在设计电路时，理解双极晶体管 bipolar transistor 的特性是至关重要的。

5.A bipolar transistor 双极晶体管 can amplify current, making it essential for audio applications.

一个双极晶体管 bipolar transistor 可以放大电流，这使得它在音频应用中至关重要。

作文

The invention of the bipolar transistor has revolutionized the field of electronics, marking a significant milestone in the development of modern technology. A bipolar transistor is a type of transistor that uses both electron and hole charge carriers. This duality allows it to amplify current, making it an essential component in various electronic devices. Understanding how a bipolar transistor works is crucial for anyone interested in electronics or electrical engineering.To grasp the functionality of a bipolar transistor, we first need to understand its structure. A typical bipolar transistor consists of three layers of semiconductor material, each capable of carrying current. These layers are known as the emitter, base, and collector. The emitter is heavily doped with impurities to create an abundance of charge carriers (either electrons or holes), while the base is lightly doped. The collector, which is also moderately doped, collects the charge carriers from the base.When a small current flows into the base of the bipolar transistor, it allows a larger current to flow from the emitter to the collector. This amplification capability is what makes the bipolar transistor so valuable in electronic circuits. For example, in radio transmitters, bipolar transistors are used to amplify weak signals, enabling clear communication over long distances.Moreover, the versatility of the bipolar transistor extends beyond amplification. It can also be used as a switch. In digital circuits, bipolar transistors can turn on and off rapidly, allowing them to control the flow of electricity in a circuit. This switching ability is fundamental in computers and other digital devices, where binary operations are performed.The development of the bipolar transistor dates back to the late 1940s when John Bardeen, Walter Brattain, and William Shockley invented it at Bell Labs. Their work laid the foundation for the semiconductor industry and earned them the Nobel Prize in Physics in 1956. Since then, bipolar transistors have undergone numerous advancements, leading to the creation of smaller, faster, and more efficient devices.Despite the emergence of newer technologies, such as field-effect transistors (FETs), bipolar transistors remain widely used in various applications. They are particularly favored in analog circuits due to their high current gain and excellent frequency response. Additionally, bipolar transistors are often used in power amplifiers, audio equipment, and signal processing applications.In conclusion, the bipolar transistor is a fundamental building block of modern electronics. Its ability to amplify current and function as a switch has made it indispensable in countless applications. Understanding the principles behind the bipolar transistor not only enhances our knowledge of electronics but also highlights the importance of innovation in technology. As we continue to advance in this field, the bipolar transistor will undoubtedly remain a critical component in the evolution of electronic devices.

双极晶体管的发明彻底改变了电子学领域，标志着现代技术发展的重要里程碑。双极晶体管是一种使用电子和孔电荷载流子的晶体管。这种二元性使其能够放大电流，使其成为各种电子设备中不可或缺的组成部分。理解双极晶体管的工作原理对任何对电子学或电气工程感兴趣的人来说都是至关重要的。为了掌握双极晶体管的功能，我们首先需要了解其结构。典型的双极晶体管由三层半导体材料组成，每层都能够承载电流。这些层被称为发射极、基极和集电极。发射极被重度掺杂以创造大量的电荷载流子（电子或孔），而基极则轻度掺杂。集电极也适度掺杂，用于收集来自基极的电荷载流子。当一小部分电流流入双极晶体管的基极时，它会允许更大的电流从发射极流向集电极。这种放大能力正是使双极晶体管在电子电路中如此有价值的原因。例如，在无线电发射机中，双极晶体管用于放大微弱信号，从而实现长距离清晰通信。此外，双极晶体管的多功能性不仅限于放大。它还可以用作开关。在数字电路中，双极晶体管可以快速开关，从而控制电路中的电流流动。这种开关能力在计算机和其他数字设备中至关重要，进行二进制操作。双极晶体管的发展可以追溯到20世纪40年代末，当时约翰·巴丁、沃尔特·布拉顿和威廉·肖克利在贝尔实验室发明了它。他们的工作为半导体行业奠定了基础，并因此获得了1956年诺贝尔物理学奖。从那时起，双极晶体管经历了无数的进步，导致创造出更小、更快和更高效的设备。尽管出现了场效应晶体管（FET）等新技术，双极晶体管仍然广泛应用于各种应用中。由于其高电流增益和优良的频率响应，它们在模拟电路中尤为受欢迎。此外，双极晶体管通常用于功率放大器、音频设备和信号处理应用。总之，双极晶体管是现代电子学的基本构件。其放大电流和作为开关的能力使其在无数应用中不可或缺。理解双极晶体管背后的原理不仅增强了我们对电子学的知识，也突显了技术创新的重要性。随着我们在这一领域不断进步，双极晶体管无疑将继续作为电子设备演变中的关键组件。