distributed amplifier

简明释义

分布放大器

英英释义

例句

1.The distributed amplifier 分布式放大器 architecture allows for better performance over long distances.

分布式放大器 distributed amplifier 架构允许在长距离上实现更好的性能。

2.In our lab, we built a prototype using a distributed amplifier 分布式放大器 for testing high-frequency signals.

在我们的实验室里，我们使用一个 分布式放大器 distributed amplifier 来测试高频信号。

3.Engineers often prefer a distributed amplifier 分布式放大器 for its ability to maintain linearity.

工程师通常更喜欢 分布式放大器 distributed amplifier ，因为它能够保持线性。

4.In RF applications, a distributed amplifier 分布式放大器 can significantly reduce noise levels.

在射频应用中，分布式放大器 distributed amplifier 可以显著降低噪声水平。

5.The distributed amplifier 分布式放大器 is commonly used in communication systems to enhance signal strength.

在通信系统中，分布式放大器 distributed amplifier 通常用于增强信号强度。

作文

In the realm of modern electronics, the concept of a distributed amplifier plays a crucial role in enhancing signal processing capabilities. A distributed amplifier is a type of amplifier that utilizes multiple active devices to amplify signals across a range of frequencies. Unlike traditional amplifiers, which typically rely on a single active component to boost the input signal, a distributed amplifier distributes the amplification process over a series of stages or sections. This design allows for improved performance, particularly in high-frequency applications.One of the key advantages of a distributed amplifier is its ability to maintain a flat gain response over a wide frequency range. This characteristic is essential in applications such as telecommunications, where signals must be transmitted without distortion. By distributing the amplification across several transistors, the distributed amplifier can achieve a more uniform gain, minimizing the variations that often occur in conventional amplifiers.Furthermore, the distributed amplifier is known for its exceptional bandwidth. Traditional amplifiers may struggle to provide sufficient gain at higher frequencies due to parasitic capacitances and other limitations. However, because a distributed amplifier employs multiple devices in parallel, it can effectively counteract these issues, allowing it to function efficiently at microwave frequencies and beyond.The architecture of a distributed amplifier typically consists of several stages, each contributing to the overall amplification. These stages are interconnected in such a way that they work in harmony to achieve the desired output. The result is a device that can amplify weak signals while preserving their integrity. This feature makes distributed amplifiers particularly valuable in radar systems, satellite communications, and other high-frequency applications where signal fidelity is paramount.Moreover, the design flexibility of a distributed amplifier allows engineers to tailor the amplifier's characteristics to meet specific requirements. By adjusting the number of stages, the choice of transistors, and the interstage coupling, designers can create amplifiers with varied performance metrics. This adaptability is a significant advantage in fields such as RF (radio frequency) engineering, where different applications may demand unique amplification profiles.In conclusion, the distributed amplifier represents a significant advancement in the field of electronics, offering enhanced performance and versatility compared to traditional amplification methods. Its ability to provide consistent gain over a broad frequency range, along with its high bandwidth capabilities, makes it an indispensable tool in modern communication systems. As technology continues to evolve, the importance of distributed amplifiers will likely grow, paving the way for new innovations in signal processing and transmission.

在现代电子学领域，分布式放大器的概念在增强信号处理能力方面发挥着至关重要的作用。分布式放大器是一种利用多个有源器件在一系列频率范围内放大信号的放大器。与传统放大器通常依赖单个有源元件来增强输入信号不同，分布式放大器将放大过程分散到多个阶段或部分。这种设计允许在高频应用中提高性能。分布式放大器的一个主要优点是它能够在宽频率范围内保持平坦的增益响应。这一特性在电信等应用中至关重要，因为信号必须在不失真的情况下传输。通过将放大分散到多个晶体管上，分布式放大器可以实现更均匀的增益，最小化传统放大器中常出现的变化。此外，分布式放大器以其卓越的带宽而闻名。传统放大器可能因寄生电容和其他限制而难以在较高频率下提供足够的增益。然而，由于分布式放大器采用多个并联设备，它可以有效地抵消这些问题，使其能够在微波频率及更高频率下高效工作。分布式放大器的结构通常由多个阶段组成，每个阶段都对整体放大作出贡献。这些阶段以一种和谐的方式相互连接，以实现所需的输出。其结果是一个能够在保持信号完整性的同时放大微弱信号的设备。这一特性使得分布式放大器在雷达系统、卫星通信和其他高频应用中尤为宝贵，在这些应用中，信号的保真度至关重要。此外，分布式放大器的设计灵活性使工程师能够根据特定要求调整放大器的特性。通过调整阶段数量、晶体管选择和级间耦合，设计人员可以创建具有不同性能指标的放大器。这种适应性在射频（RF）工程等领域中是一项重要优势，因为不同的应用可能需要独特的放大特性。总之，分布式放大器代表了电子学领域的一项重大进步，相较于传统放大方法，提供了增强的性能和多功能性。它在广泛频率范围内提供一致增益的能力，以及其高带宽能力，使其成为现代通信系统中不可或缺的工具。随着技术的不断发展，分布式放大器的重要性可能会进一步增长，为信号处理和传输的新创新铺平道路。