Protel is a circuit-aided design system launched by Altium. It is the first board-level design system that integrates all design tools. Based on the completed schematic, using Protel for PCB design generally follows several steps, such as determining the shape, layout, wiring, and rule checking. This article analyzes the basic principles of layout and wiring,…
Discover how automated PCB manufacturing techniques are transforming the electronics landscape. This article explores advancements that enhance efficiency, reduce costs, and improve precision in the production of printed circuit boards.
EDA technology is a computer software system developed on the basis of electronic CAD technology. It refers to the automatic design of electronic products based on computers as the working platform, integrating the latest achievements of applied electronic technology, computer technology, information processing and intelligent technology. Using EDA tools, electronic designers can design electronic systems…
In any power supply design, the physical design of the PCB board is the last link. Its design method determines the electromagnetic interference and power supply stability. Let’s analyze these links in detail: 1.Design process from schematic to PCB Establish component parameters-》Enter principle netlist-》Design parameter setting-》Manual layout-》Manual wiring-》Verify design-》Review-》CAM output. 2.Parameter setting The spacing between…
With the development of the electrical age, there are more and more electromagnetic wave sources in the human living environment, such as radio broadcasting, television, microwave communication; household appliances; power frequency electromagnetic fields of transmission lines; high-frequency electromagnetic fields, etc. When the field strength of these electromagnetic fields exceeds a certain limit and the action…
One of the biggest trends in electronic design is the use of open source hardware and its accompanying open source schematics and PCB layouts. Using open source hardware and its accompanying resources means engineers can easily use existing designs, which improves efficiency and reduces time to market. This trend is likely to grow as engineers…
The semiconductor industry is currently facing a dramatic change in the way integrated circuits (ICs) are manufactured, which is intended to continuously increase IC performance and density, and may have an impact on design methods. Foundries are currently preparing to enhance 14nm and 16nm processes using three-dimensional transistor structures based on the finFET concept because…
Best PCB Design Methods: Six Things to Consider When Selecting PCB Components Based on Component Packages. All examples in this article were developed using the Multisim design environment, but the same concepts apply even when using different EDA tools. 1.Consider Component Package Selection Throughout the schematic drawing phase, you should consider the component package and…
As an important part of PCB design, copper coating, whether it is domestic Qingyuefeng PCB design software or some foreign Protel and PowerPCB, all provide intelligent copper coating function. So how to coat copper well? The author of this article shares some of his ideas with you, hoping to benefit peers. The so-called copper coating…
Electronic circuit diagrams are used to represent the composition, structure, nominal value of components and other information of actual electronic circuits. Circuit diagrams can tell the actual situation of circuits. In this way, when we analyze circuits, we don’t have to turn the real thing over and over again, but just take a drawing. When…
According to statistics, in the United States: the direct losses caused by surges to various industries, such as shutdowns, time loss, equipment maintenance, and premature equipment replacement, are as high as 26 billion US dollars each year. In China, according to relevant statistics, 63% of electrical products that have problems during the warranty period are…
When testing PCB boards, we should pay attention to some details in order to better ensure product quality. When testing PCB boards, we should pay attention to the following 9 tips. 1.It is strictly forbidden to use grounded test equipment to contact TV, audio, video and other equipment with electrified bottom plate to test PCB…
This article analyzes the common problems in mobile phone electromagnetic compatibility testing, including electrostatic discharge immunity test, electrical fast transient pulse group immunity test, radiated interference and conducted interference performance test, and puts forward corresponding suggestions for improving the electromagnetic compatibility performance of mobile phones. 1.Electrostatic discharge immunity test 1.1 Common problems in electrostatic discharge…
There are many ways to solve EMI problems. Modern EMI suppression methods include: using EMI suppression coatings, selecting appropriate EMI suppression parts and components, and EMI simulation design. This article starts from the most basic PCB layout and discusses the role and design techniques of PCB layer stacking in controlling EMI radiation. Power bus Reasonably…
When a PCB board has completed layout and routing, and the connectivity and spacing are checked without error, is the PCB completed? The answer is of course no. Many beginners, including some experienced engineers, often rush through the work and ignore post-design inspection due to time constraints, impatience, or overconfidence. As a result, some very…
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