Many people have probably done this: disconnecting the “ground” of the oscilloscope’s power supply as shown in the figure below:Initially, I didn’t understand why the “ground” should be disconnected!First, let’s state the conclusion: the ground of the oscilloscope definitely has significance; if it didn’t, the manufacturer wouldn’t provide it!Let’s first look at how the oscilloscope’s … Read more
After publishing the article “Is the Textbook Wrong? – Rethinking the Capacitor Charging and Discharging Experiment,” I received praise and feedback from Teacher Lin Shufen, which made me very happy. The article is written for communication purposes. As a self-media public account mainly focused on educational essays, it does not aim to impart knowledge but … Read more
☞ This is the 15659th article published by Metal Processing (mw1950pub) Editor’s Note What is a sensor? It is a detection device that can sense the information being measured and convert that information into electrical signals or other required forms of output according to certain rules, to meet the requirements for information transmission, processing, storage, … Read more
A multimeter is a multifunctional and multi-range measuring instrument, generally including functions such as ammeter, voltmeter, and ohmmeter. Below are the basic steps and precautions for using a multimeter: Preparation Before Use 1. Check the instrument: Ensure that the multimeter is in good condition and that the dial is clearly visible. 2. Familiarize with functions: … Read more
Company Introduction Shenzhen Gaote High-Sensitivity Technology Co., Ltd. is a high-tech enterprise focused on the research, development, manufacturing, and sales of industrial sensors. The company’s sensor products cover high-precision position detection, precise measurement, and safety identification, and are widely used in fields such as electronics and semiconductors, CNC machine tools, automotive manufacturing, food and medical, … Read more
The oscilloscope is an essential tool for all electronic engineers. This document shares the basic structure, working principles, and measurement operations of oscilloscopes, and introduces methods and techniques for using oscilloscopes in scenarios such as signal measurement and power integrity testing. Table of Contents: Illustrated Guide to Oscilloscope Usage and Application Techniques, “In-Depth Understanding of … Read more
Click Mechanical Frontier” Follow for Updates Leading the Mechanical Frontier, Mechanical Videos, Automotive, Processing Technology, 3D Printing, Automation, Robotics, Production Processes, Bearings, Molds, Machine Tools, Sheet Metal, and other industry frontiers await you here A multimeter, also known as a multi-tester, is a multifunctional and multi-range measuring instrument. Generally, a multimeter can measure DC current, … Read more
Recently, I have seen many popular articles using 50-ohm coaxial cables to measure power supply ripple, various styles, and impressive content. I finally took the time to research related articles and would like to share some personal recommendations for measuring ripple & noise with an oscilloscope in my work.When testing power supply waveforms, we often … Read more
Click the “blue text” above to follow us We all know that a multimeter is an essential maintenance tool for electrical workers. Proper use of a multimeter can not only make our work more efficient but also enhance our safety and effectiveness. 1. Before using the multimeter, perform a “mechanical zeroing”; 2. Do not touch … Read more
Search on WeChatTechnical TrainingA multimeter, also known as a multi-tester, is a versatile measuring instrument that can measure DC current, DC voltage, AC voltage, resistance, and audio levels. Some models can also measure AC current, capacitance, inductance, and certain parameters of semiconductors. It is a commonly used tool for electricians. 1. Check the range before … Read more