feedback oscillator

简明释义

回授振荡器

英英释义

例句

1.The circuit includes a feedback oscillator 反馈振荡器 that adjusts the frequency based on input signals.

该电路包含一个反馈振荡器 feedback oscillator，根据输入信号调整频率。

2.In audio applications, a feedback oscillator 反馈振荡器 can create complex sound waves.

在音频应用中，反馈振荡器 feedback oscillator可以产生复杂的声波。

3.The feedback oscillator 反馈振荡器 is essential for generating sine waves in synthesizers.

在合成器中，反馈振荡器 feedback oscillator对于生成正弦波至关重要。

4.The engineer designed a feedback oscillator 反馈振荡器 to stabilize the signal in the communication system.

工程师设计了一个反馈振荡器 feedback oscillator来稳定通信系统中的信号。

5.A properly tuned feedback oscillator 反馈振荡器 can enhance the performance of radar systems.

调谐良好的反馈振荡器 feedback oscillator可以提高雷达系统的性能。

作文

In the world of electronics and signal processing, the term feedback oscillator refers to a specific type of electronic circuit that generates a continuous output signal. This device plays a crucial role in various applications, including radio transmitters, audio equipment, and even in the field of telecommunications. Understanding how a feedback oscillator works can provide valuable insights into its significance and functionality.A feedback oscillator operates on the principle of positive feedback, where a portion of the output signal is fed back into the input. This feedback loop allows the oscillator to maintain its oscillation, producing a stable and periodic waveform. The most common types of feedback oscillators include the Hartley oscillator, Colpitts oscillator, and phase-shift oscillator, each differing in their configuration and components.The basic components of a feedback oscillator typically include an amplifier, a frequency-determining network, and feedback connections. The amplifier boosts the signal, while the frequency-determining network sets the oscillation frequency. This arrangement ensures that the output signal is not only amplified but also sustained over time.One of the fascinating aspects of a feedback oscillator is its ability to produce different waveforms, such as sine waves, square waves, or triangular waves, depending on the design and components used. For instance, a sine wave oscillator is commonly used in audio applications, providing a smooth and continuous sound, whereas a square wave oscillator is often utilized in digital circuits, where sharp transitions are essential.The stability and reliability of a feedback oscillator are critical in many applications. Any variation in the circuit components or environmental factors can affect the performance of the oscillator. Therefore, engineers must meticulously design these circuits to ensure consistent operation. In addition, modern advancements in technology have led to the development of integrated circuits that can perform the functions of a feedback oscillator with enhanced efficiency and reduced size.In practical applications, feedback oscillators are widely used in generating clock signals for digital devices, modulating signals in communication systems, and creating audio tones in musical instruments. For example, in a synthesizer, a feedback oscillator can create a range of sounds by adjusting the frequency and waveform, allowing musicians to explore creative possibilities.Moreover, the concept of feedback oscillators extends beyond electronics. In control systems and robotics, feedback mechanisms are employed to achieve desired outcomes, demonstrating the universal importance of feedback in various fields. By studying the behavior of feedback oscillators, engineers and scientists can gain insights into stability, control, and system dynamics.In conclusion, the feedback oscillator is a fundamental component in the realm of electronics, providing essential functions across numerous applications. Its ability to generate stable and periodic signals through positive feedback makes it invaluable in both analog and digital systems. As technology continues to advance, the understanding and application of feedback oscillators will undoubtedly evolve, paving the way for innovative solutions in various industries.

在电子和信号处理的世界中，术语反馈振荡器指的是一种特定类型的电子电路，它生成连续的输出信号。该设备在包括无线电发射机、音频设备甚至电信领域的各种应用中发挥着至关重要的作用。理解反馈振荡器的工作原理可以提供对其重要性和功能的宝贵见解。反馈振荡器基于正反馈的原理运作，其中部分输出信号被反馈到输入端。这个反馈环路使振荡器能够维持其振荡，产生稳定且周期性的波形。最常见的反馈振荡器类型包括哈特利振荡器、科尔皮茨振荡器和相移振荡器，每种类型在配置和组件上都有所不同。反馈振荡器的基本组成部分通常包括放大器、频率决定网络和反馈连接。放大器增强信号，而频率决定网络设置振荡频率。这种安排确保输出信号不仅被放大，还能随着时间的推移持续存在。反馈振荡器的一个迷人之处在于它能够根据设计和使用的组件产生不同的波形，例如正弦波、方波或三角波。例如，正弦波振荡器通常用于音频应用，提供平滑和连续的声音，而方波振荡器则常用于数字电路，其中尖锐的过渡是必不可少的。反馈振荡器的稳定性和可靠性在许多应用中至关重要。电路组件或环境因素的任何变化都可能影响振荡器的性能。因此，工程师必须精心设计这些电路，以确保一致的操作。此外，现代技术的进步导致了集成电路的发展，这些电路能够以增强的效率和减小的尺寸执行反馈振荡器的功能。在实际应用中，反馈振荡器广泛用于为数字设备生成时钟信号、调制通信系统中的信号以及在乐器中创建音频音调。例如，在合成器中，反馈振荡器可以通过调整频率和波形来创造一系列声音，使音乐家能够探索创意可能性。此外，反馈振荡器的概念超越了电子学。在控制系统和机器人技术中，反馈机制被用来实现期望的结果，展示了反馈在各个领域的普遍重要性。通过研究反馈振荡器的行为，工程师和科学家可以获得关于稳定性、控制和系统动态的见解。总之，反馈振荡器是电子学领域的基本组成部分，在众多应用中提供了基本功能。它通过正反馈生成稳定且周期性信号的能力使其在模拟和数字系统中都具有不可或缺的价值。随着技术的不断进步，对反馈振荡器的理解和应用无疑将不断发展，为各个行业的创新解决方案铺平道路。