astable multivibrator

简明释义

无稳态多谐振动器；无稳态多谐振荡器； 无稳态复振器

英英释义

例句

1.In a simple LED flasher circuit, an astable multivibrator can be employed to turn the LED on and off repeatedly.

在一个简单的LED闪烁电路中，可以使用无稳态多谐振荡器来反复开启和关闭LED。

2.An astable multivibrator can be used to create sound in buzzer circuits.

在蜂鸣器电路中，可以使用无稳态多谐振荡器来产生声音。

3.The frequency of an astable multivibrator can be adjusted by changing the resistor and capacitor values.

通过改变电阻和电容值，可以调整无稳态多谐振荡器的频率。

4.An astable multivibrator is commonly used in clock pulse generation for digital circuits.

一个无稳态多谐振荡器通常用于数字电路中的时钟脉冲生成。

5.A timer circuit often utilizes an astable multivibrator to generate timing pulses.

定时器电路通常利用无稳态多谐振荡器生成定时脉冲。

作文

An astable multivibrator is a fundamental electronic circuit that generates a continuous square wave signal without requiring any external triggering. This type of circuit is often used in various applications, including timers, pulse width modulation, and frequency generation. The astable multivibrator operates in a state of perpetual oscillation, meaning it does not have a stable state and continuously switches between its high and low output states. The basic configuration of an astable multivibrator typically involves two resistors and two capacitors, along with a pair of transistors. When power is applied, the circuit begins to charge one of the capacitors through the resistors, causing the voltage to rise. Once the voltage across the capacitor reaches a certain threshold, it triggers the transistors to switch states. This action causes the other capacitor to discharge while the first one begins to charge again, creating a loop of oscillation.One of the significant advantages of using an astable multivibrator is its simplicity and ease of construction. It can be built using a few basic components, making it accessible for hobbyists and students learning about electronics. Moreover, the frequency of the oscillation can be easily adjusted by changing the values of the resistors and capacitors in the circuit. This feature allows for flexibility in designing circuits for various purposes.In practical applications, astable multivibrators are commonly found in LED flashers, tone generators, and clock pulses for digital circuits. For instance, when used in an LED flasher circuit, the astable multivibrator can turn the LED on and off at a specific rate, creating a blinking effect. Similarly, in tone generation, it can produce audio signals at different frequencies, which can be utilized in alarms or sound effects.Furthermore, the astable multivibrator can also serve as a basic timer. By configuring the timing components correctly, it can create precise time delays for various applications, such as controlling the duration of an event in a microcontroller project. This versatility makes the astable multivibrator a valuable tool in both analog and digital electronics.In conclusion, the astable multivibrator is an essential component in the field of electronics. Its ability to generate square wave signals continuously without external triggers opens up numerous possibilities for electronic design and experimentation. Understanding how to construct and utilize an astable multivibrator can greatly enhance one's knowledge and skills in electronics, providing a solid foundation for more complex projects in the future. Whether you are a beginner exploring the world of electronics or an experienced engineer, mastering the astable multivibrator will undoubtedly be beneficial in your endeavors.

一个无稳态多谐振荡器是一个基本的电子电路，它能够在不需要外部触发的情况下产生连续的方波信号。这种电路通常用于各种应用，包括定时器、脉宽调制和频率生成。无稳态多谐振荡器处于持续振荡状态，这意味着它没有稳定状态，并且不断在高输出状态和低输出状态之间切换。无稳态多谐振荡器的基本配置通常涉及两个电阻和两个电容，以及一对晶体管。当施加电源时，电路开始通过电阻给其中一个电容充电，导致电压上升。一旦电容上的电压达到某个阈值，它会触发晶体管切换状态。这一动作使得另一个电容放电，而第一个电容则开始再次充电，从而创建了一个振荡循环。使用无稳态多谐振荡器的一个显著优势是其简单性和易于构建。它可以用几个基本组件构建，使其对学习电子学的爱好者和学生来说具有可及性。此外，振荡频率可以通过改变电路中电阻和电容的值轻松调整。这一特性使得为各种目的设计电路时具有灵活性。在实际应用中，无稳态多谐振荡器通常出现在LED闪烁器、音调发生器和数字电路的时钟脉冲中。例如，当用于LED闪烁器电路时，无稳态多谐振荡器可以以特定速率打开和关闭LED，产生闪烁效果。同样，在音调生成中，它可以以不同频率产生音频信号，这可以用于警报或音效。此外，无稳态多谐振荡器还可以作为基本定时器。通过正确配置定时组件，它可以为各种应用创建精确的时间延迟，例如控制微控制器项目中事件的持续时间。这种多功能性使得无稳态多谐振荡器在模拟和数字电子学中成为一个有价值的工具。总之，无稳态多谐振荡器是电子领域中的一个重要组成部分。它能够持续生成方波信号而无需外部触发，为电子设计和实验开辟了无数可能性。理解如何构建和利用无稳态多谐振荡器可以大大增强个人在电子学方面的知识和技能，为未来更复杂的项目提供坚实的基础。无论你是初学者探索电子学的世界，还是经验丰富的工程师，掌握无稳态多谐振荡器无疑会对你的努力产生积极影响。