Problem Statement Hello, Teacher Zhuo. I observed a strange phenomenon while testing my new motor driver with the oscilloscope: 1. When I set the oscilloscope to a time base on the same order of magnitude as the PWM period, I could measure a standard PWM waveform. However, when I increased the time base, I noticed … Read more
Please follow our WeChat subscription account “Finger Motorcycle” for the latest motorcycle maintenance and repair information. Search for ID mscmoto directly in WeChat to follow! This article mainly discusses several points that are often overlooked when using general-purpose oscilloscope probes. 1. Bandwidth This is usually marked on the probe. If the probe’s bandwidth is insufficient, … Read more
The oscilloscope is one of the most important testing instruments in modern electronics, and its applications are also very broad in other fields. The main use of an oscilloscope is to observe and measure the waveforms of electrical signals. Additionally, using its image display function, users can directly measure parameters such as the amplitude, frequency, … Read more
1. Introduction Originally, I needed to use the front end of the oscilloscope probe to create a shielded connection, but unexpectedly, when disassembling the front end, I discovered a strange part inside. It seems there is a small capacitor within this structure. 2. Internal Structure To minimize the impact on the circuit being measured, the … Read more
To not miss exciting content, please set “Measurement Information Express” as a starred ☆. 1. Entering Adjustment Mode To prevent unauthorized adjustments, specific steps must be followed to enter the adjustment mode. The method may vary among different models of oscilloscopes. Common methods to enter adjustment mode include: 1. Calibration Switch For the Tektronix TDS200 … Read more
An oscilloscope is a commonly used measuring instrument, primarily used to detect various electrical signals, with applications in fields such as power, electronics, medicine, scientific research, and military. Do we understand the methods and precautions for measuring voltage with an oscilloscope? Below, I will introduce the methods and precautions for measuring voltage with an oscilloscope … Read more
Click on the image above to follow “Chuangxue Electronics” for easy learning of electronics knowledge. Chuangxue Electronics Subscription Account Daily updates on technical articles in the electronics industry and the latest news on microcontrollers for easy learning anytime, anywhere. If you are engaged in power supply design, you cannot do without the help of an … Read more
The oscilloscope measures the voltage applied to its input. In most cases, this is not an issue, but in certain situations, it is necessary to move the reference measurement plane and recalibrate the oscilloscope’s measurements. For example, if a minimum insertion loss impedance box (MLP) is used to terminate a measurement source with an impedance … Read more
Analysis of Six Common Issues When Using Oscilloscopes Oscilloscopes are an indispensable measurement tool for engineers, but during the use of oscilloscopes, various issues may arise. This article compiles the six most common problems faced by oscilloscope users to help laboratory personnel address measurement concerns. The oscilloscope is currently an essential tool on the workbench, … Read more
An oscilloscope is an indispensable instrument in modern electrical repair. With it, technicians can quickly and accurately locate common faults, making the proper and skilled use of an oscilloscope a required skill for electrical repair personnel. Although there are various models, specifications, and types of oscilloscopes, their basic structure and function are quite similar. This … Read more