Practical Oscilloscope Fault Diagnosis for EFI Systems

Practical Oscilloscope Fault Diagnosis for EFI Systems

Please follow the WeChat subscription account “Finger Motorcycle” to read the latest information on motorcycle maintenance and repair. Search for ID mscmoto directly in WeChat to follow! The repair process for this motorcycle began ten days ago. A customer came to the shop asking for help with an EFI motorcycle that had no spark from … Read more

How to Capture High-Speed Signals? Testing Signals That Probes Cannot Detect on Circuit Boards

How to Capture High-Speed Signals? Testing Signals That Probes Cannot Detect on Circuit Boards

With the significant improvement in the processing capabilities of communication devices, whether designing computer systems, next-generation semiconductor products, or communication systems, RF engineers must cope with increasingly higher signal rates. To enable high-speed devices to process data more efficiently, they have tirelessly invented technologies that can increase external bus bandwidth, allowing for the transmission of … Read more

How Engineers Set Up Eye Diagrams in Oscilloscopes

In high-speed digital circuit debugging, many engineers utilize eye diagram analysis to assess signal integrity. By capturing eye diagrams with an oscilloscope, engineers can intuitively evaluate key metrics such as inter-symbol interference and noise margin. This article discusses the setup of eye diagrams using mainstream oscilloscopes like Tektronix. 1. Hardware Connection and Basic Setup ① … Read more

Should the Ground Connection of an Oscilloscope Be Disconnected?

Should the Ground Connection of an Oscilloscope Be Disconnected?

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

Practical Applications of Oscilloscopes: Precise Control of Exposure and Color Cast with Waveform and Vectors

Practical Applications of Oscilloscopes: Precise Control of Exposure and Color Cast with Waveform and Vectors

Our eyes can deceive us, but data never lies. Today, I will teach you how to use DaVinci’s built-in “Oscilloscope Duo”—the waveform and vector scopes—to precisely control the brightness and color of your footage, just like playing a puzzle game. All operations have been tested on the free version of DaVinci 18, so follow along … Read more

What is the Difference Between Grounding and Ungrounding an Oscilloscope?

What is the Difference Between Grounding and Ungrounding an Oscilloscope?

What is the purpose of grounding an oscilloscope? Grounding serves as the reference point for all voltage measurements, ensuring that there is a known 0V voltage point in the circuit. This is crucial for ensuring measurement accuracy, suppressing noise interference, and ensuring measurement safety. It can be observed that the power cord of a desktop … Read more

Detailed Explanation of Oscilloscope Probe Interfaces

Detailed Explanation of Oscilloscope Probe Interfaces

Oscilloscope probes come in many types based on electrical performance and usage scenarios (as shown in the figure below). However, their interface types mainly depend on the design of the oscilloscope’s input channels and the compatibility of the probes. Below are common interface types and their characteristics: 1.BNC Interface Most Common Type, widely used in … Read more

WaveRunner 8000 Oscilloscope

WaveRunner 8000 Oscilloscope

The WaveRunner 8000 is a series of oscilloscopes launched by Teledyne LeCroy. TLC is a well-known testing and measurement company, significantly positioned in the field of testing and measurement instruments such as oscilloscopes and logic analyzers. Their products are widely used in industries such as electronic design, communications, and aerospace, providing engineers and researchers with … Read more

Detailed Explanation of Oscilloscope Differential Probes

Detailed Explanation of Oscilloscope Differential Probes

Previously, we wrote an article specifically about oscilloscope probes, and recently a friend asked for a detailed introduction to “differential probes”. Today, I will organize the information.Definition of Differential Probes A differential probe is an electronic measurement tool used foraccurately measuring the voltage difference (differential signal) between two test points rather than the voltage at … Read more

Practical Oscilloscope Manual Collection: Your Guide to Testing and Measurement

Practical Oscilloscope Manual Collection: Your Guide to Testing and Measurement

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