thermionic tube
简明释义
热阴极电子管
英英释义
A thermionic tube is an electronic device that emits electrons when heated, typically used in vacuum tubes for amplifying electrical signals. | 热电子管是一种电子设备,当加热时会发射电子,通常用于真空管中以放大电信号。 |
例句
1.The thermionic tube technology paved the way for modern electronics.
热电子管技术为现代电子产品铺平了道路。
2.Many vintage audio devices still use thermionic tubes for their warm sound quality.
许多复古音频设备仍然使用热电子管来获得温暖的音质。
3.The design of the thermionic tube has been improved over the years to enhance its efficiency.
随着时间的推移,热电子管的设计得到了改进,以提高其效率。
4.In early computers, the thermionic tube played a crucial role in processing data.
在早期计算机中,热电子管在数据处理方面发挥了关键作用。
5.The radio was powered by a thermionic tube, which allowed for better signal amplification.
这台收音机由一个热电子管供电,从而实现了更好的信号放大。
作文
The invention of the thermionic tube marked a significant milestone in the field of electronics. This device, which operates on the principle of thermionic emission, allows for the control and amplification of electrical signals. When heated, certain materials release electrons, creating a flow of current. This phenomenon is harnessed in the thermionic tube to facilitate various applications, ranging from early radio transmitters to modern-day amplifiers. In the early 20th century, the development of the thermionic tube revolutionized communication technologies. Prior to its invention, electronic devices were limited in their capabilities, relying on mechanical switches and rudimentary circuits. The thermionic tube, however, provided a means to amplify weak signals, enabling clearer and more reliable transmissions. This advancement laid the groundwork for the development of radio broadcasting, which became a cornerstone of mass communication. The thermionic tube consists of several key components, including a cathode, an anode, and control grids. The cathode is heated to emit electrons, which are then attracted to the positively charged anode. By manipulating the voltage applied to the control grids, engineers can regulate the flow of electrons, thereby controlling the amplification of the signal. This intricate design showcases the ingenuity behind the thermionic tube and its importance in the evolution of electronic devices. As technology progressed, the thermionic tube was gradually replaced by more advanced components such as transistors. However, its legacy remains significant in the understanding of electronic principles. Many audiophiles still prefer equipment that utilizes thermionic tubes due to their unique sound characteristics, often described as warm and rich compared to the colder sound produced by solid-state devices. This preference highlights the lasting impact of the thermionic tube on audio technology. In conclusion, the thermionic tube is not merely an outdated component; it represents a pivotal moment in the history of electronics. Its ability to amplify signals and control current flow paved the way for modern communication systems. While newer technologies have emerged, the thermionic tube continues to hold a place in both historical significance and contemporary audio applications. Understanding this device allows us to appreciate the complexities of electronic engineering and the innovations that have shaped our technological landscape.
热电子管的发明标志着电子学领域的一个重要里程碑。该设备基于热电子发射的原理,能够控制和放大电信号。当某些材料被加热时,会释放出电子,从而产生电流。这一现象在热电子管中得到利用,以便在从早期无线电发射器到现代放大器等各种应用中发挥作用。在20世纪初,热电子管的发展彻底改变了通信技术。在其发明之前,电子设备的能力受到限制,依赖于机械开关和简单电路。然而,热电子管提供了一种放大微弱信号的方法,使得传输更加清晰和可靠。这一进步为广播电台的发展奠定了基础,广播成为大众传播的基石。热电子管由几个关键组件组成,包括阴极、阳极和控制栅。阴极被加热以发射电子,这些电子随后被带正电的阳极吸引。通过操控施加在控制栅上的电压,工程师可以调节电子的流动,从而控制信号的放大。这一复杂的设计展示了热电子管背后的聪明才智及其在电子设备演变中的重要性。随着技术的进步,热电子管逐渐被更先进的组件如晶体管所取代。然而,它的遗产在理解电子原理方面仍然具有重要意义。许多音频爱好者仍然偏爱使用热电子管的设备,因为它们独特的声音特性,常被描述为温暖和丰富,相比之下,固态设备发出的声音则显得更冷。这种偏好凸显了热电子管对音频技术的持久影响。总之,热电子管不仅仅是一个过时的组件;它代表了电子学历史上的一个关键时刻。它放大信号和控制电流流动的能力为现代通信系统铺平了道路。尽管新技术不断涌现,热电子管在历史意义和当代音频应用中依然占有一席之地。理解这一设备使我们能够欣赏电子工程的复杂性以及塑造我们技术景观的创新。
相关单词