quartz crystal oscillator

简明释义

石英晶体振荡器

英英释义

例句

1.The accuracy of a digital clock largely depends on its quartz crystal oscillator.

数字钟的准确性在很大程度上取决于其石英晶体振荡器。

2.Engineers often choose a quartz crystal oscillator for its reliability in electronic circuits.

工程师们通常选择石英晶体振荡器，因为它在电子电路中的可靠性。

3.The quartz crystal oscillator in your wristwatch helps keep it running accurately.

你手表中的石英晶体振荡器有助于保持其准确运行。

4.In mobile phones, the quartz crystal oscillator ensures stable frequency for signal processing.

在手机中，石英晶体振荡器确保信号处理的稳定频率。

5.Many modern computers use a quartz crystal oscillator to maintain time accuracy.

许多现代计算机使用石英晶体振荡器来保持时间的准确性。

作文

In the realm of electronics, precision and stability are paramount. One component that embodies these qualities is the quartz crystal oscillator. A quartz crystal oscillator is a device that uses the mechanical resonance of a vibrating crystal of quartz to create an electrical signal with a precise frequency. This technology has become fundamental in various applications, from watches and clocks to computers and communication devices.The principle behind a quartz crystal oscillator lies in the piezoelectric effect, which allows quartz crystals to generate an electric charge when subjected to mechanical stress. When an alternating voltage is applied to the crystal, it vibrates at its natural frequency, producing a stable and consistent oscillation. This makes quartz crystal oscillators incredibly reliable for timekeeping and frequency generation.One of the most common uses of quartz crystal oscillators is in wristwatches. The accuracy of a watch largely depends on the precision of its oscillator. A typical quartz crystal oscillator in a watch vibrates at a frequency of 32,768 Hz, which is precisely divided down to one pulse per second. This level of accuracy ensures that modern quartz watches can keep time to within a few seconds per month, a feat that was nearly impossible with mechanical watches.Beyond timekeeping, quartz crystal oscillators play a crucial role in the world of telecommunications. They are used in mobile phones, radios, and satellite systems to maintain synchronization and ensure clear signal transmission. For instance, in mobile phones, multiple quartz crystal oscillators may be used to manage different frequencies for voice and data transmission, enhancing overall performance and reliability.The advantages of quartz crystal oscillators extend beyond their precision. They are also robust and can operate under a wide range of temperatures, making them suitable for both consumer electronics and industrial applications. Their durability means that they can withstand environmental factors that might otherwise disrupt electronic signals.However, it is essential to recognize that while quartz crystal oscillators offer many benefits, they are not without limitations. For instance, their performance can degrade over time due to aging and temperature fluctuations. Engineers must carefully consider these factors when designing systems that rely on quartz crystal oscillators. Additionally, as technology advances, there is ongoing research into alternative oscillators, such as MEMS (Micro-Electro-Mechanical Systems) oscillators, which may provide even greater integration and miniaturization.In conclusion, the quartz crystal oscillator is a vital component in modern electronics, providing the accuracy and stability required for various applications. Its unique properties derived from the piezoelectric effect enable it to function effectively in numerous devices, from simple wristwatches to complex telecommunication systems. As technology continues to evolve, the quartz crystal oscillator will undoubtedly remain a cornerstone of electronic design, even as new alternatives emerge. Understanding the significance and functionality of quartz crystal oscillators is essential for anyone interested in the field of electronics and engineering.

在电子领域，精确性和稳定性至关重要。一个体现这些特质的组件是石英晶体振荡器。石英晶体振荡器是一种利用振动的石英晶体的机械共振来产生具有精确频率的电信号的设备。这项技术已成为各种应用的基础，从手表和时钟到计算机和通信设备。石英晶体振荡器背后的原理在于压电效应，这使得石英晶体在受到机械压力时能够产生电荷。当施加交变电压到晶体上时，它以其自然频率振动，产生稳定且一致的振荡。这使得石英晶体振荡器在计时和频率生成方面极为可靠。石英晶体振荡器最常见的用途之一是在腕表中。手表的准确性在很大程度上取决于其振荡器的精度。典型的石英晶体振荡器在手表中以32,768赫兹的频率振动，这一频率被精确地分频至每秒一个脉冲。这种精确度确保现代石英手表可以在一个月内保持几秒钟的时间误差，这是机械手表几乎无法实现的成就。除了计时之外，石英晶体振荡器在电信领域也发挥着关键作用。它们被用于手机、收音机和卫星系统，以保持同步并确保清晰的信号传输。例如，在手机中，可能会使用多个石英晶体振荡器来管理语音和数据传输的不同频率，从而增强整体性能和可靠性。石英晶体振荡器的优点不仅在于其精确性。它们也很坚固，能够在广泛的温度范围内运行，使其适合消费电子和工业应用。它们的耐用性意味着它们能够承受可能干扰电子信号的环境因素。然而，必须认识到，尽管石英晶体振荡器提供了许多好处，但它们也并非没有局限性。例如，由于老化和温度波动，它们的性能可能会随着时间的推移而下降。工程师在设计依赖于石英晶体振荡器的系统时，必须仔细考虑这些因素。此外，随着技术的进步，关于替代振荡器（如MEMS（微机电系统）振荡器）的研究正在进行，这可能提供更大的集成和小型化。总之，石英晶体振荡器是现代电子产品中的重要组件，为各种应用提供所需的准确性和稳定性。它源自压电效应的独特性质使其能够在从简单的腕表到复杂的电信系统的众多设备中有效工作。随着技术的不断发展，石英晶体振荡器无疑将继续成为电子设计的基石，即使新的替代品出现。理解石英晶体振荡器的重要性和功能，对于任何对电子和工程领域感兴趣的人来说都是必不可少的。