fixed capacitor

简明释义

固定电容器

英英释义

例句

1.In audio applications, a fixed capacitor (固定电容器) can help filter out unwanted noise.

在音频应用中，固定电容器可以帮助滤除不必要的噪音。

2.The design of the power supply includes a fixed capacitor (固定电容器) for smooth voltage regulation.

电源的设计包括一个固定电容器以实现平稳的电压调节。

3.The circuit requires a reliable fixed capacitor (固定电容器) to maintain stability.

该电路需要一个可靠的固定电容器来保持稳定性。

4.For high-frequency applications, select a fixed capacitor (固定电容器) with low ESR.

对于高频应用，选择一个具有低等效串联电阻（ESR）的固定电容器。

5.A fixed capacitor (固定电容器) is often used in timing circuits to set frequency.

在定时电路中，通常使用固定电容器来设置频率。

作文

In the world of electronics, various components work together to create functional devices that we use every day. One of the essential components in many electronic circuits is the capacitor. Among the different types of capacitors, the fixed capacitor plays a crucial role. A fixed capacitor is defined as a capacitor with a constant capacitance value that does not change over time. This characteristic makes it particularly useful in applications where stability and reliability are paramount.The primary function of a fixed capacitor is to store electrical energy temporarily. When a voltage is applied across its terminals, the fixed capacitor charges up, accumulating energy in the form of an electric field. Once the voltage is removed, the stored energy can be released back into the circuit. This ability to store and release energy makes fixed capacitors invaluable in smoothing out voltage fluctuations, filtering signals, and providing timing functions in various electronic devices.There are several types of fixed capacitors, each designed for specific applications. For instance, ceramic capacitors are widely used in high-frequency applications due to their low equivalent series resistance (ESR) and stable capacitance values. On the other hand, electrolytic capacitors, which are also classified as fixed capacitors, have a higher capacitance value and are often used in power supply circuits to filter out ripples in the output voltage.Understanding the properties of fixed capacitors is essential for anyone working in electronics. One important aspect to consider is the voltage rating of a fixed capacitor. This rating indicates the maximum voltage that can be applied across the capacitor without risking damage or failure. Exceeding this voltage can lead to breakdown, resulting in short circuits or even explosions in some cases. Therefore, selecting a fixed capacitor with an appropriate voltage rating for the application is critical to ensure safety and reliability.Another factor to consider is the temperature coefficient of a fixed capacitor. This characteristic describes how the capacitance value changes with temperature variations. Some applications require capacitors that maintain their capacitance over a wide temperature range, while others may be less sensitive to such changes. Understanding these specifications helps engineers choose the right fixed capacitor for their designs.In summary, the fixed capacitor is a fundamental component in the field of electronics, serving various purposes in circuits. Its ability to store and release electrical energy, combined with its stable capacitance value, makes it a preferred choice for many applications. Whether in power supplies, signal processing, or timing circuits, the fixed capacitor continues to be an indispensable part of modern electronic systems. As technology advances, the development of new materials and manufacturing techniques will likely enhance the performance and reliability of fixed capacitors, further solidifying their importance in the electronics industry.

在电子世界中，各种组件协同工作，创造出我们每天使用的功能设备。在许多电子电路中，电容器是一个重要的组件。在不同类型的电容器中，固定电容器发挥着至关重要的作用。固定电容器被定义为一种电容值恒定且随时间不变的电容器。这一特性使其在稳定性和可靠性至关重要的应用中尤为有用。固定电容器的主要功能是暂时存储电能。当电压施加到其端子上时，固定电容器会充电，在电场中积累能量。一旦电压移除，存储的能量可以释放回电路中。这种存储和释放能量的能力使得固定电容器在平滑电压波动、过滤信号和提供计时功能等各种电子设备中具有不可或缺的价值。固定电容器有几种类型，每种类型都设计用于特定的应用。例如，陶瓷电容器因其低等效串联电阻（ESR）和稳定的电容值而广泛用于高频应用。另一方面，电解电容器也被归类为固定电容器，它们具有更高的电容值，通常用于电源电路中，以过滤输出电压中的波纹。理解固定电容器的特性对于任何从事电子工作的人来说都是至关重要的。需要考虑的一个重要方面是固定电容器的电压等级。该等级指示可以施加到电容器两端的最大电压，而不会冒着损坏或故障的风险。超过此电压可能导致击穿，导致短路甚至在某些情况下爆炸。因此，为应用选择合适电压等级的固定电容器对于确保安全和可靠性至关重要。另一个需要考虑的因素是固定电容器的温度系数。该特性描述了电容值如何随温度变化而变化。有些应用需要在宽温度范围内保持电容的电容器，而其他应用可能对这种变化不太敏感。理解这些规格帮助工程师为他们的设计选择合适的固定电容器。总之，固定电容器是电子领域的基本组件，在电路中发挥着各种作用。其存储和释放电能的能力，加上其稳定的电容值，使其成为许多应用的首选。无论是在电源、信号处理还是计时电路中，固定电容器仍然是现代电子系统中不可或缺的一部分。随着技术的进步，新材料和制造技术的发展可能会进一步增强固定电容器的性能和可靠性，从而进一步巩固其在电子行业中的重要性。