stray capacitance

简明释义

寄生电容

英英释义

例句

1.In RF circuits, stray capacitance can significantly affect the performance of the system.

在射频电路中，杂散电容会显著影响系统的性能。

2.Testing for stray capacitance is crucial during the prototype phase of product development.

在产品开发的原型阶段，测试杂散电容是至关重要的。

3.The circuit board design must minimize stray capacitance to ensure signal integrity.

电路板设计必须尽量减少杂散电容以确保信号完整性。

4.Engineers often use shielding techniques to reduce stray capacitance in sensitive components.

工程师常常使用屏蔽技术来减少敏感元件中的杂散电容。

5.High-frequency applications are particularly sensitive to stray capacitance which can cause unwanted oscillations.

高频应用特别敏感于杂散电容，这可能导致不必要的振荡。

作文

In the world of electronics, understanding various phenomena is crucial for designing effective circuits. One such phenomenon is known as stray capacitance. This term refers to the unintended capacitance that occurs between two conductive elements in a circuit, which can lead to various issues if not properly managed. Stray capacitance can arise from the proximity of components, traces on a printed circuit board (PCB), or even from the air surrounding the conductors. The existence of this unintended capacitance can cause signal distortion, reduce the performance of high-frequency circuits, and create unwanted coupling between different parts of a circuit.To better understand stray capacitance, it is essential to consider its sources. When two conductors are placed close to each other, an electric field is created between them. This field can store electrical energy, resulting in a capacitance effect. For instance, in a PCB, the traces that connect different components can act as capacitors due to their close proximity. Even when they are not intended to be part of a capacitive network, the physical layout can introduce stray capacitance that affects the overall functionality of the circuit.The implications of stray capacitance are particularly significant in high-speed digital circuits and radio frequency (RF) applications. In these scenarios, the timing and integrity of signals are paramount. Any additional capacitance can slow down signal transitions, leading to timing errors and data corruption. Moreover, stray capacitance can cause crosstalk between adjacent signal lines, where an unwanted signal from one line interferes with another. This interference can degrade the performance of communication systems and lead to increased error rates.To mitigate the effects of stray capacitance, engineers employ various strategies during the design phase. One common approach is to increase the distance between conductive elements whenever possible. By spacing out traces on a PCB or using shielding techniques, designers can reduce the impact of stray capacitance. Additionally, the use of differential signaling can help minimize the effects of unwanted capacitance by ensuring that signals are transmitted in a balanced manner, reducing the likelihood of crosstalk.Another method to manage stray capacitance is through careful component selection. Using components with lower parasitic capacitance can help reduce the overall impact of stray capacitance in a circuit. Furthermore, simulation tools can predict the effects of stray capacitance in a design, allowing engineers to make informed decisions before manufacturing the final product.In conclusion, stray capacitance is a critical concept in electronics that can significantly affect circuit performance. By understanding its sources and implications, engineers can take proactive measures to minimize its impact. As technology continues to advance, the importance of managing stray capacitance will only increase, making it essential for anyone involved in electronics design to have a thorough understanding of this phenomenon.

杂散电容是电子学中一个重要的概念，理解这一现象对于设计有效的电路至关重要。这个术语指的是在电路中两个导体之间发生的非意图电容，这可能导致各种问题，如果不加以管理，可能会影响电路的性能。杂散电容可以由于组件的接近、印刷电路板（PCB）上的走线，甚至是导体周围的空气而产生。这种非意图电容的存在会导致信号失真，降低高频电路的性能，并在电路的不同部分之间产生不必要的耦合。为了更好地理解杂散电容，必须考虑其来源。当两个导体靠近时，会在它们之间产生一个电场。这个电场能够储存电能，从而导致电容效应。例如，在PCB中，连接不同组件的走线由于其近距离而可以充当电容。即使它们并不是设计用作电容网络的一部分，物理布局也可能引入杂散电容，从而影响电路的整体功能。杂散电容的影响在高速数字电路和射频（RF）应用中特别显著。在这些情况下，信号的时序和完整性至关重要。任何额外的电容都可能减慢信号的过渡速度，导致时序错误和数据损坏。此外，杂散电容可能导致相邻信号线之间的串扰，其中一条线的不必要信号干扰另一条线。这种干扰可能降低通信系统的性能并导致错误率增加。为了减轻杂散电容的影响，工程师在设计阶段采用各种策略。一种常见的方法是尽可能增加导体元素之间的距离。通过在PCB上间隔开走线或使用屏蔽技术，设计人员可以减少杂散电容的影响。此外，使用差分信号传输可以帮助最小化不必要电容的影响，确保信号以平衡的方式传输，从而降低串扰的可能性。另一种管理杂散电容的方法是通过仔细选择组件。使用具有较低寄生电容的组件可以帮助减少电路中杂散电容的整体影响。此外，仿真工具可以预测设计中杂散电容的影响，使工程师在制造最终产品之前做出明智的决策。总之，杂散电容是电子学中一个关键概念，可能显著影响电路性能。通过理解其来源和影响，工程师可以采取主动措施来最小化其影响。随着技术的不断进步，管理杂散电容的重要性只会增加，因此任何参与电子设计的人都必须深入了解这一现象。