spurious capacitance

简明释义

寄生电容

英英释义

例句

1.Engineers must account for spurious capacitance when designing high-frequency circuits.

工程师在设计高频电路时必须考虑虚假电容。

2.Testing revealed that spurious capacitance affected the performance of the device.

测试显示，虚假电容影响了设备的性能。

3.The presence of spurious capacitance can lead to signal integrity problems.

存在虚假电容可能导致信号完整性问题。

4.To minimize spurious capacitance, keep traces short in PCB layout.

为了最小化虚假电容，在PCB布局中保持走线短。

5.The circuit design showed significant issues due to spurious capacitance.

电路设计由于虚假电容显示出显著问题。

作文

In the field of electrical engineering, understanding various parameters that affect circuit performance is crucial. One such parameter that often causes confusion is spurious capacitance. This term refers to an unintended or parasitic capacitance that occurs in electronic circuits, leading to unwanted effects. It can significantly impact the behavior of high-frequency circuits, where the presence of spurious capacitance can distort signals and reduce the overall efficiency of the system.The concept of spurious capacitance arises from the physical characteristics of components and their layout on a circuit board. When two conductive elements are placed close to each other, an electric field is generated between them, resulting in a capacitance that is not part of the intended design. This capacitance can be particularly problematic in high-speed digital circuits, where signal integrity is paramount. For example, if a microprocessor is designed to operate at gigahertz frequencies, even a small amount of spurious capacitance can lead to significant timing errors, causing the circuit to malfunction.Moreover, spurious capacitance can also affect analog circuits. In RF (radio frequency) applications, unintended capacitance can lead to frequency shifts and reduced bandwidth. Engineers must take great care in designing circuits to minimize these effects. Techniques such as careful layout design, grounding strategies, and the use of shielding can help mitigate the impact of spurious capacitance. To illustrate the importance of addressing spurious capacitance, consider a scenario where an engineer is designing a high-frequency oscillator. If the layout inadvertently introduces spurious capacitance, the oscillator may fail to start or may operate erratically. This could result in a failure to meet performance specifications, leading to costly redesigns and delays in product development.Testing for spurious capacitance is another critical aspect of circuit design. Engineers often use specialized equipment to measure capacitance values in their designs, allowing them to identify and correct issues before the final product is manufactured. By simulating the circuit and analyzing its behavior under various conditions, they can predict the effects of spurious capacitance and make necessary adjustments.In conclusion, spurious capacitance is a vital concept in the realm of electronics that engineers must understand to ensure the reliability and performance of their designs. It serves as a reminder of the complexities involved in circuit design, especially as technology advances and demands for higher speeds and efficiencies increase. By acknowledging and addressing spurious capacitance, engineers can create more robust and efficient electronic systems that meet the needs of modern applications.

在电气工程领域，理解影响电路性能的各种参数至关重要。其中一个常常引起混淆的参数是虚假电容。这个术语指的是在电子电路中发生的无意或寄生电容，导致不必要的效果。它会显著影响高频电路的行为，在这些电路中，虚假电容的存在可能会扭曲信号并降低系统的整体效率。虚假电容的概念源于组件的物理特性及其在电路板上的布局。当两个导电元件靠近放置时，它们之间会产生电场，从而导致一种不属于设计意图的电容。这种电容在高速数字电路中尤其成问题，因为信号完整性至关重要。例如，如果微处理器设计用于以千兆赫兹频率运行，即使是少量的虚假电容也可能导致显著的时序错误，导致电路故障。此外，虚假电容还可能影响模拟电路。在射频（RF）应用中，无意的电容可能导致频率偏移和带宽降低。工程师必须在设计电路时非常小心，以尽量减少这些影响。诸如仔细布局设计、接地策略和使用屏蔽等技术可以帮助减轻虚假电容的影响。为了说明解决虚假电容问题的重要性，可以考虑一个工程师设计高频振荡器的场景。如果布局无意间引入了虚假电容，则振荡器可能无法启动或可能不稳定运行。这可能导致未能满足性能规格，从而导致昂贵的重新设计和产品开发延迟。测试虚假电容是电路设计的另一个关键方面。工程师通常使用专业设备测量其设计中的电容值，使他们能够在最终产品制造之前识别并修正问题。通过模拟电路并分析其在各种条件下的行为，他们可以预测虚假电容的影响，并进行必要的调整。总之，虚假电容是电子学领域中的一个重要概念，工程师必须理解它，以确保他们设计的可靠性和性能。它提醒我们电路设计中涉及的复杂性，尤其是在技术不断进步、对更高速度和效率的需求增加的情况下。通过承认和解决虚假电容的问题，工程师可以创建更强大、更高效的电子系统，以满足现代应用的需求。