PCB Network News Optical modules have gained prominence in high-speed communication due to their ability to convert optical signals. The design of their PCB mainboard must meet special requirements such as high-speed transmission, heat dissipation, mounting, and hot-swapping, making it different from ordinary PCBs. The PCB of optical modules is a key component for achieving … Read more
Whether it’s a board made by someone else or a PCB board designed and produced by yourself, the first thing to do upon receiving it is to check the integrity of the board, such as issues with soldering, cracks, short circuits, open circuits, and drilling. If the function of the board is relatively strict, it’s … Read more
PCB, also known as Printed Circuit Board, enables the connection of electronic components and the realization of functions. It is also an important part of power circuit design. This article will introduce the basic rules for PCB layout and wiring. Basic Rules for Component Layout 1. Layout according to circuit modules. Related circuits with the … Read more
This article organizes some detailed issues that need attention in layout. Let’s check if you know them all! 01 Spacing of SMD Components The spacing between surface mount devices is a critical issue that engineers must pay attention to during layout. The spacing between components should not be too large (which wastes PCB space) or … Read more
As a support for electronic components and a provider of electrical connections, printed circuit boards (PCBs) play a crucial role in the electronics industry. Based on different classification criteria, PCBs can be divided into various types. So, do you know what types of PCBs exist? What are their differences? 1. Structural Classification Single-sided board: The … Read more
In the manufacturing of printed circuit boards (PCBs), the PCB assembly technology has emerged to improve production efficiency, reduce costs, and optimize material utilization. Below, we will briefly introduce three common methods of PCB assembly, hoping to be helpful to everyone. Generally speaking, PCB assembly refers to the practice of circuit board manufacturers connecting smaller … Read more
Click the above “Mechanical and Electronic Engineering Technology” to follow us 1. Key Performance Indicators Physical Performance: Peel Strength / Coefficient of Thermal Expansion / Peel Strength Chemical Performance: Tg / Td / Z-CTE Electrical Performance: Dielectric Constant / Dielectric Loss / Flame Retardancy Environmental Performance: Water Absorption / CAF Resistance / CTI 2. Glass … Read more
Common PCB Wiring Rules (1) Pre-divide digital, analog, and DAA signal wiring areas on the PCB. (2) Separate digital and analog components and place them in their respective wiring areas. (3) Keep high-speed digital signal traces as short as possible. (4) Keep sensitive analog signal traces as short as possible. (5) Reasonably allocate power and … Read more
Introduction For beginners in electronic technology, mastering basic circuit principles, the functions and characteristics of components, how to analyze circuit diagrams, reading PCBs, soldering techniques, and common troubleshooting methods are all essential skills that need to be well understood. This article discusses how to read PCBs, hoping to assist beginners. PCB stands for printed circuit … Read more
Known as the “mother of electronic products,” the printed circuit board (PCB) is an important carrier in the electronics industry, playing a role in supporting and interconnecting electronic devices. PCBs can be used in various fields such as consumer electronics, automotive electronics, network communication, industrial control and medical, aerospace, etc. For example, they are found … Read more