parasitic oscillation

简明释义

寄生振荡

英英释义

例句

1.The engineer noticed that the circuit was experiencing parasitic oscillation 寄生振荡 during testing.

工程师注意到在测试过程中电路出现了寄生振荡。

2.Engineers must be cautious of parasitic oscillation 寄生振荡 when designing high-frequency circuits.

工程师在设计高频电路时必须小心寄生振荡。

3.To mitigate the effects of parasitic oscillation 寄生振荡, we added additional damping components to the circuit.

为了减轻寄生振荡的影响，我们在电路中增加了额外的阻尼元件。

4.The design flaw led to significant parasitic oscillation 寄生振荡 in the RF amplifier.

设计缺陷导致射频放大器中出现显著的寄生振荡。

5.The team conducted simulations to analyze the parasitic oscillation 寄生振荡 behavior in the circuit.

团队进行了模拟以分析电路中的寄生振荡行为。

作文

In the realm of electronics and signal processing, understanding various phenomena is crucial for the design and optimization of circuits. One such phenomenon that engineers often encounter is parasitic oscillation. This term refers to unwanted oscillations that can occur in electronic circuits, particularly in amplifiers and oscillators. These oscillations are not part of the intended signal and can lead to significant issues, including distortion, instability, and even damage to components. Therefore, grasping the concept of parasitic oscillation is essential for anyone working in the field of electronics.To comprehend parasitic oscillation, it is important to first understand the basic principles of oscillation in electrical circuits. Oscillation occurs when energy is exchanged between two or more elements in a circuit, such as inductors and capacitors. In a well-designed circuit, these oscillations are controlled and contribute to the desired output. However, in cases of parasitic oscillation, the energy exchange happens unintentionally due to unintended feedback paths or resonances within the circuit.One common cause of parasitic oscillation is the presence of stray capacitance or inductance. Every circuit has some level of parasitic elements, which can create unintentional feedback loops. For example, if an amplifier has a high gain, even a small amount of feedback from these parasitic elements can result in a significant oscillation. This is particularly problematic in high-frequency applications where the effects of these parasitic elements become more pronounced.Another factor that contributes to parasitic oscillation is the layout of the circuit board. Poorly designed layouts can introduce additional paths for signals to travel, leading to increased likelihood of feedback and oscillation. Engineers must pay careful attention to the physical arrangement of components to minimize these risks. Techniques such as using ground planes, keeping signal paths short, and separating sensitive components can help mitigate the occurrence of parasitic oscillation.The implications of parasitic oscillation extend beyond just circuit performance; they can also affect the reliability and longevity of electronic devices. For instance, excessive oscillations can cause overheating, which may lead to component failure. In critical applications, such as medical devices or aerospace technology, ensuring that parasitic oscillation is controlled is vital for safety and functionality.To combat parasitic oscillation, engineers employ various strategies during the design phase. Simulation tools can predict potential oscillatory behavior before physical prototypes are built. Additionally, implementing feedback control systems can help stabilize circuits by counteracting any unintended oscillations. By understanding the underlying causes and effects of parasitic oscillation, engineers can create more robust and reliable electronic systems.In conclusion, parasitic oscillation is a critical concept in electronics that highlights the importance of careful circuit design and analysis. By recognizing the factors that contribute to this phenomenon and employing effective design strategies, engineers can minimize its impact on circuit performance. As technology continues to advance, the need for precise control over oscillations will only increase, making the study of parasitic oscillation ever more relevant in the field of electronics.

寄生振荡是电子学和信号处理领域中的一个重要概念，理解这一现象对于电路的设计和优化至关重要。这一术语指的是在电子电路中，特别是在放大器和振荡器中，可能发生的非期望振荡。这些振荡并不是意图信号的一部分，可能导致严重问题，包括失真、不稳定，甚至对元件造成损坏。因此，掌握寄生振荡的概念对于任何从事电子工作的人来说都是必不可少的。要理解寄生振荡，首先需要了解电路中振荡的基本原理。振荡发生在电路中的两个或多个元件之间能量交换时，例如电感器和电容器。在设计良好的电路中，这些振荡是受控的，并有助于实现预期的输出。然而，在寄生振荡的情况下，能量交换由于电路中的意外反馈路径或共振而无意间发生。寄生振荡的一个常见原因是存在杂散电容或电感。每个电路都有一定程度的寄生元件，这可能会创建意外的反馈回路。例如，如果一个放大器增益很高，即使是来自这些寄生元件的少量反馈也可能导致显著的振荡。这在高频应用中特别成问题，因为这些寄生元件的影响变得更加明显。另一个导致寄生振荡的因素是电路板的布局。设计不当的布局可能会引入额外的信号传输路径，从而增加反馈和振荡的可能性。工程师必须仔细关注组件的物理排列，以最小化这些风险。使用接地平面、缩短信号路径和分离敏感元件等技术可以帮助减轻寄生振荡的发生。寄生振荡的影响不仅仅局限于电路性能；它们还可能影响电子设备的可靠性和使用寿命。例如，过度的振荡可能导致过热，从而可能导致元件故障。在关键应用中，例如医疗设备或航空航天技术，确保控制寄生振荡对于安全和功能至关重要。为了应对寄生振荡，工程师在设计阶段采用各种策略。仿真工具可以预测潜在的振荡行为，避免在物理原型构建之前出现问题。此外，实施反馈控制系统可以通过抵消任何意外振荡来帮助稳定电路。通过理解寄生振荡的根本原因和影响，工程师可以创建更强大、更可靠的电子系统。总之，寄生振荡是电子学中的一个关键概念，突显了电路设计和分析的关键性。通过认识到导致这一现象的因素并采用有效的设计策略，工程师可以最小化其对电路性能的影响。随着技术的不断进步，对振荡的精确控制需求只会增加，使得对寄生振荡的研究在电子学领域变得愈发相关。