[PCB Information Network] News: Factory owners are crying out in despair, and this year seems particularly tough. Some have described the current state of small and medium-sized manufacturing factories as follows: “ Worrying about orders when there are none; Worrying about payments when there are orders; Long-time partners have fewer orders; New clients are hesitant … Read more
I have a demo board with an integrated MOSFET Buck power supply. Although the circuit is simple, the layout is quite textbook-like. Here are some key design points of this circuit: 1. Phase Plane The phase plane, which is the plane connecting the inductor and the power IC, is the dirtiest signal (high current, high … Read more
Nowadays, the rapid prototyping of PCBs is incredibly convenient. By placing orders through online platforms, you can receive PCB samples without having to interact with factory personnel. However, if you are not familiar with the PCB production process, some quality issues caused by your own design may lead to misunderstandings during communication with the factory’s … Read more
When performing SMT (Surface Mount Technology) processing on PCBs, the PCBs are conveyed along the SMT production line via guide rails. Therefore, a pair of edges must be reserved as forbidden areas for component placement. Typically, the two long edges of the PCB or the assembled panel are designated as the conveyance edges. The width … Read more
Route according to the 50-ohm impedance line width, try to route from the center of the pad, keeping the lines straight and preferably on the top layer. When a bend is necessary, make it at a 45-degree angle or as an arc, preferably bending near capacitors or resistors. If routing meets the matching requirements of … Read more
Editor’s Note: The content of this article is quite concise. The first two factors are introduced using ADS simulation schematics, and those interested can follow along. Many buses have requirements for loss, so for design engineers, it is essential to understand which factors dominate the changes in loss. We often discuss the issue of loss … Read more
[Fundamentals] 3W Principle Power Supply Management and Plane Segmentation About Dead Copper (PCB Islands) Where is the Reference Plane for Routing? How to Quickly Estimate PCB Trace Resistance: Square Statistics [PCB Fabrication and Materials] Basic Knowledge of PCB Fabrication Classification of Substrate Materials for Printed Circuit Boards Classification and Selection of PCB Materials Differences in … Read more
Most engineers send the PCB files or Gerber files to the manufacturer and then wait for the boards to be returned. However, many hardware development professionals may work for years without the opportunity to visit a PCB manufacturing facility to see the entire production process. Today, I will take you on a tour to see … Read more
1. Concept of PCB PCB (Printed Circuit Board), known in Chinese as 印制电路板, is an important electronic component that serves as a support for electronic components and provides electrical connections between them. It is called a “printed” circuit board because it is made using electronic printing technology. 2. Role and Function of PCB in Various … Read more
1 What is Reliability? Reliability refers to “trustworthy” or “dependable,” indicating the ability of a product to perform its specified functions under defined conditions and for a specified period. For end products, the higher the reliability, the greater the assurance of use.PCB reliability refers to the ability of a “bare board” to meet the production … Read more