active device

简明释义

有源器件

英英释义

例句

1.The active device 主动设备 in this circuit amplifies the signal.

这个电路中的主动设备 active device 放大了信号。

2.Without an active device 主动设备, the circuit would not function properly.

没有主动设备 active device，电路将无法正常工作。

3.The active device 主动设备 regulates the power supply in the system.

该系统中的主动设备 active device 调节电源供应。

4.In telecommunications, an active device 主动设备 is essential for signal processing.

在电信中，主动设备 active device 对信号处理至关重要。

5.A transistor is a common example of an active device 主动设备 used in electronics.

晶体管是电子学中常见的主动设备 active device 的例子。

作文

In the realm of electronics and technology, the term active device refers to components that can control the flow of electrical energy. Unlike passive devices, which only dissipate or store energy, active devices can amplify signals and provide gain. This unique characteristic makes them essential in various applications, from simple audio systems to complex communication networks. One of the most common examples of an active device is the transistor. Transistors serve as the building blocks of modern electronic circuits, allowing for the amplification and switching of electronic signals. They are used in everything from radios to computers, playing a crucial role in processing information and enabling communication. The ability of transistors to act as active devices allows them to modulate signals, making them indispensable in today’s digital world.Another example of an active device is the operational amplifier (op-amp). Op-amps are widely used in signal processing applications due to their high gain and versatility. They can perform various mathematical operations on signals, such as addition, subtraction, integration, and differentiation. The functionality of op-amps as active devices enables engineers to design complex circuits that can manipulate signals effectively, enhancing the performance of electronic systems.The significance of active devices extends beyond individual components; they form the backbone of entire systems. In telecommunications, for instance, active devices like amplifiers and repeaters are crucial for ensuring that signals can travel long distances without significant loss of quality. These devices boost the strength of signals, allowing for clearer communication over vast networks. Without active devices, modern communication would be limited, and the quality of our connections would suffer greatly.Moreover, the evolution of active devices has paved the way for advancements in technology. The development of integrated circuits (ICs) showcases how active devices can be miniaturized and combined to create powerful and efficient systems. ICs contain numerous active devices on a single chip, which has revolutionized electronics by making them more compact and cost-effective. This innovation has led to the proliferation of smartphones, tablets, and other smart devices that we rely on daily.In conclusion, understanding the concept of active devices is vital for anyone interested in electronics and technology. These components play a fundamental role in shaping our modern world, enabling advancements in communication, computing, and countless other fields. As technology continues to evolve, the importance of active devices will only grow, driving innovation and enhancing our capabilities. Therefore, recognizing the significance of active devices helps us appreciate the intricate workings of the devices we use every day and the technological marvels that define our era.

在电子和技术领域，术语active device指的是能够控制电能流动的组件。与仅仅耗散或储存能量的被动设备不同，active devices可以放大信号并提供增益。这一独特特性使它们在各种应用中至关重要，从简单的音频系统到复杂的通信网络。一个常见的active device例子是晶体管。晶体管作为现代电子电路的基石，允许对电子信号进行放大和切换。它们被广泛应用于从收音机到计算机的各种设备，在处理信息和实现通信中发挥着至关重要的作用。晶体管作为active devices的能力使它们能够调制信号，这使得它们在当今数字世界中不可或缺。另一个active device的例子是运算放大器（op-amp）。由于其高增益和多功能性，运算放大器被广泛用于信号处理应用。它们可以对信号进行各种数学运算，如加法、减法、积分和微分。运算放大器作为active devices的功能使工程师能够设计出能够有效操控信号的复杂电路，从而增强电子系统的性能。active devices的重要性不仅限于单个组件；它们构成了整个系统的基础。例如，在电信领域，像放大器和中继器这样的active devices对于确保信号能够在长距离内传输而不会显著损失质量至关重要。这些设备增强了信号的强度，使得在广泛网络中实现更清晰的通信成为可能。如果没有active devices，现代通信将受到限制，我们的连接质量将大大下降。此外，active devices的演变为技术进步铺平了道路。集成电路（IC）的发展展示了如何将active devices微型化并组合以创建强大而高效的系统。IC在单个芯片上包含众多的active devices，这彻底改变了电子产品，使其更加紧凑且具有成本效益。这一创新导致了智能手机、平板电脑和我们每天依赖的其他智能设备的普及。总之，理解active devices的概念对于任何对电子和技术感兴趣的人来说都是至关重要的。这些组件在塑造我们现代世界方面发挥着基础性作用，使通信、计算和无数其他领域的进步成为可能。随着技术的不断发展，active devices的重要性只会增加，推动创新并增强我们的能力。因此，认识到active devices的重要性有助于我们欣赏我们每天使用的设备的复杂运作以及定义我们时代的技术奇迹。