potentiometer

简明释义

英[pəˌtenʃiˈɒmɪtə(r)]美[pəˌtenʃiˈɑːmɪtər]

n. 电位计；分压计

英英释义

单词用法

同义词

反义词

例句

1.The paper introduces the features of Nonvolatile Digital Potentiometer (NDP).

本文简述了非易失性数调电阻（NDP）的特性。

2.Remove protection screw from the potentiometer.

取出电位器螺丝的保护。

3.Nonpolarized capacitor C1 and potentiometer R2, a linear taper, determine the time constant of integrator IC1B.

无极性电容c1和线性锥形电位器r 2决定积分器ic 1b的时间常数。

4.A potentiometer compass designed with low power consumption, light weight, and inexpensive is described in this paper.

本文介绍一种新研制的电位计式罗盘，它具有体积小、功耗低、重量轻、价格便宜等特点。

5.On the basis of the feature analysis made on the magnetic potentiometer, the automatic measurement of heavy A.

基于对磁位计特点的分析，介绍了以磁位计为采样元件的交流大电流自动测量方法。

6.As you will see in the circuit, it was used only that a Volume potentiometer.

正如你将看到在这条赛道，它是只用一个体积电位。

7.The engineer adjusted the potentiometer to change the resistance in the circuit.

工程师调整了电位器以改变电路中的电阻。

8.A potentiometer can be used to control the volume of a speaker.

可以使用电位器来控制扬声器的音量。

9.In this project, we will use a potentiometer to measure the voltage output.

在这个项目中，我们将使用电位器来测量电压输出。

10.The potentiometer allows for fine adjustments in the lighting of the room.

这个电位器允许对房间的照明进行精细调整。

11.You can replace the broken potentiometer in your guitar to improve sound quality.

您可以更换吉他中损坏的电位器以改善音质。

作文

In the world of electronics, understanding various components is crucial for designing and building effective circuits. One such component that plays a significant role in many applications is the potentiometer. A potentiometer (电位器) is an adjustable resistor that allows for the control of voltage within a circuit. It consists of three terminals: two fixed terminals connected to a resistive element and a third terminal connected to a wiper that moves along the resistive element. This design enables users to vary the resistance and, consequently, the voltage output. The functionality of a potentiometer can be observed in various everyday devices. For instance, in audio equipment, potentiometers are commonly used as volume controls. By turning the knob, the user adjusts the position of the wiper along the resistive track, which alters the resistance and changes the sound level. This simple yet effective mechanism allows for precise control over audio output, making it an essential component in sound systems. Another application of the potentiometer is in measuring instruments, where it is utilized to provide feedback and calibration. For example, in a laboratory setting, a potentiometer can be used to measure the voltage across a specific component in a circuit. By adjusting the potentiometer, technicians can ensure accurate readings, which is vital for experiments and research. This capability makes the potentiometer an invaluable tool for engineers and scientists alike. In robotics and automation, potentiometers serve as position sensors. When attached to a moving part, they can provide real-time feedback on the position of that part. This information is crucial for controlling motors and ensuring that robotic systems operate smoothly and efficiently. By integrating potentiometers into these systems, engineers can enhance the precision and reliability of their designs. Moreover, the versatility of the potentiometer extends to various types, including linear and rotary configurations. Linear potentiometers have a straight resistive element, while rotary potentiometers have a circular track. Each type serves different purposes depending on the application requirements. For example, linear potentiometers are often used in sliders for audio mixing consoles, whereas rotary potentiometers are prevalent in knobs for household appliances. Understanding how to use and implement a potentiometer is fundamental for anyone interested in electronics. Whether you are a hobbyist building your first circuit or a professional engineer designing complex systems, knowledge of potentiometers can greatly enhance your projects. With their ability to adjust resistance and provide variable voltage, potentiometers are essential components that contribute to the functionality and performance of countless electronic devices. In conclusion, the potentiometer (电位器) is a vital electronic component that facilitates control over voltage and resistance in various applications. Its significance in audio equipment, measuring instruments, and robotics highlights its versatility and importance in modern technology. By mastering the principles and applications of potentiometers, individuals can unlock new possibilities in electronic design and innovation.