示波器实验报告英文

示波器实验报告英文
Experiment Report on Oscilloscope
1. Introduction
The oscilloscope is a widely used test instrument in electronics and electrical engineering. It allows for the visualization and analysis of electrical signals in the time domain. This experiment aims to familiarize students with the operation and usage of an oscilloscope.
2. Experimental Setup
The experimental setup consists of an oscilloscope, a function generator, and various electrical components such as resistors, capacitors, and inductors. The function generator generates electrical waveforms of different frequencies and amplitudes, which are connected to the input of the oscilloscope. The oscilloscope displays the waveform on its screen and provides various controls for adjusting the display parameters.
3. Experimental Procedure
- Connect the function generator output to the input of the oscilloscope using a coaxial cable.
- Turn on the oscilloscope and adjust the vertical and horizontal controls to obtain a clear waveform display.
- Adjust the time base control to change the time scale of the waveform. - Measure the amplitude and frequency of the waveform using the appropriate controls on the oscilloscope.
- Connect different electrical components (resistors, capacitors, and inductors) in series or parallel with the function generator output and observe the effects on the waveform display.
- Record the observed changes in waveform amplitude, frequency, and shape due to the introduced components.
4. Results and Analysis
- The oscilloscope accurately displays the waveform generated by the function generator.
- The measured amplitude and frequency of the waveform match the values set on the function generator.
- The introduction of electrical components such as resistors, capacitors, and inductors affects the waveform amplitude, frequency, and shape.
- The amplitude of the waveform decreases with the introduction of a resistor, indicating a voltage drop across the resistor.
- The introduction of a capacitor or inductor changes the waveform shape, depending on the frequency of the waveform and the reactance of the component.
5. Conclusion
This experiment provided an introduction to the oscilloscope and its operation. It demonstrated the accurate display of electrical waveforms and the effects of different electrical components on the waveform shape. The oscilloscope is an essential tool for engineers and technicians in analyzing and troubleshooting electrical circuits. Familiarity with its usage is crucial for any electronics or electrical engineering student.。