crystal oscillator

简明释义

晶体振荡器

英英释义

例句

1.A crystal oscillator is often used in watches to ensure they keep accurate time.

在手表中，晶体振荡器通常被用来确保它们保持准确的时间。

2.The clock on my computer is powered by a crystal oscillator, which keeps it accurate over time.

我电脑上的时钟由一个晶体振荡器供电，使其在时间上保持准确。

3.Many electronic devices rely on a crystal oscillator to maintain synchronization.

许多电子设备依赖于晶体振荡器来保持同步。

4.In radio transmitters, a crystal oscillator is essential for generating stable frequencies.

在无线电发射器中，晶体振荡器对于产生稳定频率是必不可少的。

5.The precision of a crystal oscillator makes it ideal for GPS systems.

由于晶体振荡器的精度，使其非常适合用于GPS系统。

作文

In the world of electronics, timing is crucial. One of the most important components that help maintain accurate timing in various devices is the crystal oscillator. A crystal oscillator is an electronic circuit that uses the mechanical resonance of a vibrating crystal, typically made of quartz, to create a precise frequency signal. This technology is fundamental in many applications, including clocks, radios, and computers. The principle behind a crystal oscillator lies in the piezoelectric effect, where certain materials can generate an electric charge when mechanically stressed. When a quartz crystal is cut and shaped into a specific form, it can vibrate at a particular frequency when an electrical voltage is applied. This frequency is extremely stable and is determined by the physical dimensions and the cut of the crystal. One of the main advantages of using a crystal oscillator is its stability. Unlike other types of oscillators that may drift in frequency due to temperature changes or aging, a crystal oscillator maintains its frequency with remarkable precision. This makes it ideal for applications where accurate timing is essential. For example, in GPS systems, the accuracy of the timing signals provided by a crystal oscillator directly affects the positioning calculations, ensuring that users receive precise location information. Moreover, crystal oscillators are widely used in communication devices. In mobile phones, for instance, they ensure that the device can send and receive signals at the correct frequencies. The reliability of these oscillators allows for clear voice calls and uninterrupted data transmission. Without crystal oscillators, modern communication would be significantly less efficient. In addition to their use in consumer electronics, crystal oscillators also play a vital role in scientific research. Many laboratory instruments rely on these oscillators to provide stable frequency references for various measurements. For example, spectrometers use crystal oscillators to ensure that the frequencies of light being analyzed remain consistent, which is crucial for accurate results. Despite their many advantages, there are some limitations to crystal oscillators. They can be relatively expensive to produce, especially when high precision is required. Additionally, while they are stable, they can still be affected by extreme environmental conditions, such as high temperatures or strong vibrations. Engineers must carefully consider these factors when designing circuits that incorporate crystal oscillators. In conclusion, the crystal oscillator is an essential component in the field of electronics, providing accurate and stable frequency signals for a wide range of applications. Its unique properties, derived from the piezoelectric effect of quartz crystals, make it indispensable in modern technology. As we continue to advance in the realms of communication and scientific research, the importance of crystal oscillators will only grow, ensuring that our devices remain precise and reliable. Understanding the functionality and significance of the crystal oscillator is key for anyone interested in electronics and technology.

在电子世界中，时序至关重要。帮助维持各种设备准确计时的最重要组件之一是晶体振荡器。晶体振荡器是一种电子电路，利用振动晶体的机械共振（通常由石英制成）来产生精确的频率信号。这项技术在许多应用中是基础，包括时钟、收音机和计算机。晶体振荡器背后的原理在于压电效应，即某些材料在受到机械压力时能够产生电荷。当石英晶体被切割和塑造成特定形状时，当施加电压时，它可以以特定频率振动。这个频率极其稳定，由晶体的物理尺寸和切割方式决定。使用晶体振荡器的主要优点之一是其稳定性。与其他可能因温度变化或老化而漂移的振荡器不同，晶体振荡器以惊人的精度保持其频率。这使其非常适合需要精确计时的应用。例如，在GPS系统中，晶体振荡器所提供的时序信号的准确性直接影响定位计算，确保用户获得精确的位置资讯。此外，晶体振荡器在通信设备中被广泛使用。例如，在手机中，它们确保设备能够以正确的频率发送和接收信号。这些振荡器的可靠性使得语音通话清晰，数据传输不间断。如果没有晶体振荡器，现代通信将大大降低效率。除了在消费电子产品中的应用外，晶体振荡器在科学研究中也发挥着重要作用。许多实验室仪器依赖这些振荡器为各种测量提供稳定的频率参考。例如，光谱仪使用晶体振荡器确保被分析光的频率保持一致，这对准确结果至关重要。尽管有许多优点，晶体振荡器也存在一些局限性。尤其是在需要高精度时，它们的生产成本相对较高。此外，虽然它们是稳定的，但仍可能受到极端环境条件的影响，例如高温或强震动。工程师在设计包含晶体振荡器的电路时必须仔细考虑这些因素。总之，晶体振荡器是电子领域中一个不可或缺的组件，为广泛的应用提供准确且稳定的频率信号。它独特的特性源于石英晶体的压电效应，使其在现代技术中不可或缺。随着我们在通信和科学研究领域的不断进步，晶体振荡器的重要性只会增加，确保我们的设备保持精确和可靠。了解晶体振荡器的功能和重要性是任何对电子和技术感兴趣的人都必须掌握的关键。