parasitic oscillations

简明释义

寄生振荡

英英释义

例句

1.By using proper layout techniques, we can reduce parasitic oscillations 寄生振荡 in our PCB designs.

通过使用适当的布局技术，我们可以减少PCB设计中的寄生振荡。

2.The engineer discovered that the circuit was affected by parasitic oscillations 寄生振荡 that caused signal distortion.

工程师发现电路受到寄生振荡的影响，导致信号失真。

3.The presence of parasitic oscillations 寄生振荡 can lead to overheating in electronic components.

存在寄生振荡可能导致电子元件过热。

4.To improve the performance, we need to minimize the parasitic oscillations 寄生振荡 in the amplifier design.

为了提高性能，我们需要尽量减少放大器设计中的寄生振荡。

5.During testing, the parasitic oscillations 寄生振荡 were observed at frequencies higher than expected.

在测试过程中，观察到频率高于预期的寄生振荡。

作文

In the realm of electrical engineering and signal processing, understanding the concept of parasitic oscillations is crucial for designing effective and reliable circuits. Parasitic oscillations refer to unwanted oscillations that can occur in electronic circuits, often due to the inherent characteristics of the components used. These oscillations can lead to significant performance issues, including distortion of signals, increased power consumption, and even damage to sensitive components. Therefore, engineers must be vigilant in identifying and mitigating these effects during the design process.One common source of parasitic oscillations is the interaction between inductive and capacitive elements within a circuit. For instance, when a circuit contains both inductors and capacitors, they can form unintended resonant circuits, which may oscillate at certain frequencies. This phenomenon is particularly evident in high-frequency applications, where the physical layout of components can exacerbate the issue. As the frequency increases, the effects of parasitic capacitance and inductance become more pronounced, leading to a higher likelihood of parasitic oscillations.Another factor contributing to parasitic oscillations is the feedback mechanisms present in amplifiers and other active devices. In an ideal scenario, feedback should stabilize the operation of the device; however, if the feedback loop includes delays or excessive gain, it can inadvertently introduce oscillations. Engineers must carefully analyze the feedback paths in their designs to ensure stability and prevent the onset of parasitic oscillations.To combat these challenges, various techniques can be employed. One effective strategy is to utilize proper circuit layout practices. By minimizing the distance between components and using ground planes, engineers can reduce the impact of parasitic elements and limit the potential for parasitic oscillations. Additionally, selecting components with low parasitic characteristics can significantly improve circuit performance. For example, choosing resistors with low inductance or capacitors with minimal equivalent series resistance (ESR) can help mitigate the risks associated with parasitic oscillations.Moreover, simulation tools play a vital role in the design process. Modern software allows engineers to model their circuits and predict the behavior of parasitic oscillations before physical implementation. By simulating various scenarios, designers can identify potential issues and make necessary adjustments to enhance stability and performance. This proactive approach not only saves time and resources but also leads to higher quality products.In conclusion, parasitic oscillations are an important consideration in the field of electronics. Their presence can adversely affect the functionality of circuits, making it imperative for engineers to understand their causes and implement strategies to minimize their impact. Through careful design, component selection, and the use of simulation tools, engineers can effectively manage parasitic oscillations and create robust electronic systems. As technology continues to advance, the need for precision and reliability in circuit design will only increase, highlighting the importance of addressing parasitic oscillations in future innovations.

在电气工程和信号处理领域，理解寄生振荡的概念对于设计有效和可靠的电路至关重要。寄生振荡是指在电子电路中可能发生的非期望振荡，通常是由于所用组件的固有特性。这些振荡可能导致显著的性能问题，包括信号失真、功耗增加，甚至对敏感组件造成损害。因此，工程师必须在设计过程中警惕识别和减轻这些影响。寄生振荡的一个常见来源是电路中感性和容性元件之间的相互作用。例如，当一个电路同时包含电感器和电容器时，它们可能形成意外的谐振电路，在某些频率下振荡。这种现象在高频应用中尤为明显，因为组件的物理布局可能加剧这一问题。随着频率的增加，寄生电容和电感的影响变得更加明显，从而导致寄生振荡的可能性增大。另一个导致寄生振荡的因素是放大器和其他有源器件中存在的反馈机制。在理想情况下，反馈应稳定设备的操作；然而，如果反馈回路包含延迟或过高的增益，它可能无意中引入振荡。工程师必须仔细分析其设计中的反馈路径，以确保稳定性并防止寄生振荡的发生。为了应对这些挑战，可以采用各种技术。一种有效的策略是利用适当的电路布局实践。通过最小化组件之间的距离和使用接地平面，工程师可以减少寄生元件的影响，并限制寄生振荡的潜在性。此外，选择具有低寄生特性的组件可以显著改善电路性能。例如，选择低电感的电阻器或等效串联电阻（ESR）最低的电容器可以帮助减轻与寄生振荡相关的风险。此外，仿真工具在设计过程中扮演着重要角色。现代软件允许工程师对其电路进行建模，并预测寄生振荡的行为，以便在物理实施之前。通过模拟各种场景，设计人员可以识别潜在问题并进行必要的调整，以增强稳定性和性能。这种主动的方法不仅节省了时间和资源，还能提高产品质量。总之，寄生振荡是电子领域中一个重要的考虑因素。它们的存在可能对电路的功能产生不利影响，因此工程师必须了解其原因并实施策略以最小化其影响。通过仔细设计、选择组件和使用仿真工具，工程师可以有效管理寄生振荡，并创建强大的电子系统。随着技术的不断进步，对电路设计中精确性和可靠性的需求只会增加，这突显了在未来创新中解决寄生振荡的重要性。