quartz crystal oscillator

简明释义

石英晶体振荡器

英英释义

A quartz crystal oscillator is an electronic circuit that uses the mechanical resonance of a vibrating quartz crystal to create a precise frequency signal.

石英晶体振荡器是一种电子电路,利用振动的石英晶体的机械共振产生精确频率信号。

例句

1.The quartz crystal oscillator in my phone helps it maintain precise timing for calls.

我手机中的石英晶体振荡器帮助它保持通话的精确时间。

2.Engineers often choose a quartz crystal oscillator for its low power consumption.

工程师们通常选择石英晶体振荡器因为它的低功耗。

3.The clock on my wall uses a quartz crystal oscillator to keep accurate time.

我墙上的时钟使用石英晶体振荡器来保持准确的时间。

4.In radio transmitters, a quartz crystal oscillator ensures that the signal remains consistent.

在无线电发射机中,石英晶体振荡器确保信号保持一致。

5.Many modern electronics rely on a quartz crystal oscillator for frequency stability.

许多现代电子设备依赖于石英晶体振荡器来保持频率稳定。

作文

In the world of electronics, precision and stability are paramount. One of the key components that contribute to these qualities is the quartz crystal oscillator. A quartz crystal oscillator is an electronic circuit that uses the mechanical resonance of a vibrating quartz crystal to create an electrical signal with a precise frequency. This technology is crucial in various applications, from simple wristwatches to complex communication systems. The fundamental principle behind a quartz crystal oscillator is based on the piezoelectric effect, which was discovered in the 1880s. When mechanical stress is applied to certain materials, they generate an electric charge. Conversely, when an electric field is applied, these materials can change shape. Quartz crystals exhibit this property, making them ideal for use in oscillators. When a voltage is applied to a quartz crystal, it vibrates at a specific frequency determined by its physical dimensions and the cut of the crystal. This vibration generates a consistent and stable frequency, which can be used to control the timing of electronic devices. The most common frequency for quartz crystal oscillators is 32.768 kHz, often found in wristwatches and clocks. The advantages of using a quartz crystal oscillator include high stability, low phase noise, and excellent temperature characteristics. These features make them indispensable in modern electronics. For instance, in telecommunications, quartz crystal oscillators provide the necessary timing signals for data transmission, ensuring that information is sent and received accurately. Moreover, quartz crystal oscillators are also used in computers and other digital devices to synchronize operations. The clock speed of a computer's processor is determined by the frequency of the quartz crystal oscillator, impacting overall performance. As technology advances, the demand for higher frequencies and greater stability in oscillators continues to grow, leading to innovations in the design and manufacturing of quartz crystal oscillators. Despite their many advantages, quartz crystal oscillators are not without limitations. They can be sensitive to temperature changes, which may affect their frequency stability. Engineers often employ compensation techniques to mitigate these effects, ensuring that the oscillators maintain their accuracy across varying conditions. In conclusion, the quartz crystal oscillator is a vital component in the realm of electronics, providing the precision and reliability needed for countless applications. Its unique properties, derived from the piezoelectric effect, enable it to produce stable frequencies essential for the functioning of modern devices. As we continue to innovate and push the boundaries of technology, the role of quartz crystal oscillators will undoubtedly remain significant, shaping the future of electronic systems and communications.

在电子世界中,精确性和稳定性至关重要。一个有助于实现这些品质的关键组件是石英晶体振荡器石英晶体振荡器是一种电子电路,它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。这项技术在各种应用中至关重要,从简单的手表到复杂的通信系统。石英晶体振荡器背后的基本原理基于压电效应,该效应是在19世纪80年代发现的。当施加机械压力于某些材料时,它们会产生电荷。相反,当施加电场时,这些材料可以改变形状。石英晶体表现出这种特性,使其成为振荡器的理想选择。当对石英晶体施加电压时,它会以由其物理尺寸和晶体切割决定的特定频率振动。这种振动产生一致且稳定的频率,可用于控制电子设备的定时。石英晶体振荡器最常见的频率是32.768 kHz,通常用于手表和钟表。使用石英晶体振荡器的优点包括高稳定性、低相位噪声和优良的温度特性。这些特征使它们在现代电子产品中不可或缺。例如,在电信中,石英晶体振荡器提供数据传输所需的定时信号,确保信息准确地发送和接收。此外,石英晶体振荡器还用于计算机和其他数字设备,以同步操作。计算机处理器的时钟速度由石英晶体振荡器的频率决定,影响整体性能。随着技术的进步,对振荡器更高频率和更大稳定性的需求不断增长,促使石英晶体振荡器的设计和制造创新。尽管有许多优点,石英晶体振荡器也并非没有局限性。它们可能对温度变化敏感,这可能会影响其频率稳定性。工程师们通常采用补偿技术来减轻这些影响,确保振荡器在不同条件下保持准确性。总之,石英晶体振荡器在电子领域中是一个重要的组件,为无数应用提供了所需的精确性和可靠性。其独特的特性源自压电效应,使其能够产生现代设备功能所必需的稳定频率。随着我们继续创新并推动技术的边界,石英晶体振荡器的作用无疑将继续显著,塑造电子系统和通信的未来。

相关单词

quartz

quartz详解:怎么读、什么意思、用法

crystal

crystal详解:怎么读、什么意思、用法

oscillator

oscillator详解:怎么读、什么意思、用法