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1. Overview of embedded hardware circuit design With the development of Internet of Things and artificial intelligence technology, our life is becoming more and more intelligent and informative. Smart phones, smart bracelets, smart locks, smart refrigerators, autonomous driving, robots and other smart products are emerging one after another, and human beings are about to enter […]

There are too many PCB manufacturers, and some larger ones will choose customers. For example, your factory is small and the order quantity is not enough, so they may not cooperate with you. Some small factories may have the technology, but by the time of mass production, they may not be able to meet your […]

The basic principles of high-speed PCB layout are as follows: ① Considering the distribution parameters of circuit components under high-frequency working conditions, all components should be arranged evenly, neatly and compactly on the double-sided circuit board, so as to minimize and shorten the lead length between components. ② Analog circuits should be separated from digital […]

1. process window of SMT processing factory Process window is usually used to describe the available limit range of process parameters, and it is the technical term of “USL-LSL” concept in SMT process field. For example, according to experience, the lowest temperature of reflow soldering is generally 11~12ºC higher than the melting point of solder. […]

Advantages and disadvantages of flexible circuit board Strengths: (1) It can be bent, rolled and folded freely, can be arbitrarily organized according to the requirements of spatial layout, and can be arbitrarily moved and elastic in three-dimensional space, so as to achieve the integration of component installation and wire connection; (2) Using FPC can greatly […]

In the process of PCBA processing, reflow soldering is a very important process, which will be divided into three dimensions: basic concept, process flow and process characteristics. PCBA reflow soldering has good manufacturability, and there are no special requirements for the layout position, direction and spacing of components. The layout of components on reflow soldering […]

In the manufacturing process of PCB, one of the most basic and critical processes, whether it is single-panel, double-panel or multi-panel, is graphic transfer, that is, transferring the Art-work graphic to the copper-clad substrate. Graphic transfer is the key control point in production, and it is also the technical difficulty. There are many technological methods, […]

The topic of intelligent vehicle development continues to be hot, especially after the green transportation boom of all-electric EV vehicles, and the demand for electronic design, such as autonomous driving, networked vehicles, and active/passive vehicle safety, is stimulated. Not only is the development of new technologies maturing, but the demand for automotive electronic PCB required […]

1.layout design PCB wiring and layout isolation criteria: strong and weak current isolation, large and small voltage isolation, high and low frequency isolation, input and output isolation, and the demarcation standard is one order of magnitude difference. The isolation method includes: the space is far away and the ground wire is separated. 2. The crystal […]

Circuit board simulation is no longer an option but an inevitable way for most layout designs today. EDA industry is the key factor to promote the rapid development of the global electronic industry, and its market size is as high as $1 trillion. Most of the sales are monopolized by several big companies (measured by […]