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FPC, also called flexible printed circuit board for short, is commonly known as FPC in the industry. It is a printed circuit board made of flexible insulating substrate (mainly polyimide or polyester film). It has many advantages that rigid printed circuit boards do not have, such as it can be bent, rolled and folded freely. […]

For most electronic engineers (EEs), circuit board design is a daily job. Although they have many years of PCB design experience, it is difficult to produce high-quality PCB design. There are many factors to consider. Let’s discuss seven factors that need to be considered in high-quality PCB design. If electronic engineers want to design high-quality […]

Nowadays, the trend of increasingly compact electronic products requires three-dimensional design of multilayer printed circuit boards. However, layer stacking raises new problems related to this design viewpoint. One of the problems is to obtain high-quality stack construction for the project. With the production of more and more complex printed circuits composed of multiple layers, the […]

With the rise of Internet of Things technology, it is more and more common for electronic products to be equipped with wireless communication function, and wireless communication technology is realized by radio frequency circuit on PCB. Unfortunately, even the best PCB designers are often discouraged from radio frequency circuit, because it will bring great design […]

The design of schematic diagram is the basis of circuit design. Only on the basis of designing schematic diagram can the circuit simulation of printed circuit board be carried out. The following briefly introduces the design steps of circuit schematic drawing by new scholars of Protel DXP2004SP2. It contains the following nine specific design steps: […]

When welding PCBA, there are usually many requirements for PCBA boards, and only boards that meet the requirements can be welded. So why do welding processes require so many requirements for boards? Originally, the processing of PCBA will go through a lot of special processes, and the application of special processes immediately brings the requirements […]

With the development of electronic industry, the integration of electronic components is getting higher and higher, but the volume is getting smaller and smaller, and BGA type packaging is widely used. Therefore, PCB lines will be smaller and smaller, with more and more layers. Reducing the line width and line spacing is to make the […]

Today, with the rapid development of science and technology, various high-tech electronic products emerge in endlessly, which makes circuit board manufacturers more and more strict on the quality of plates. So, what quality problems are most likely to occur in the PCB production process of PCB factory? 1. The dimension of substrate changes due to […]

As we all know, when designing PCB, if it’s just an ordinary board, just do a good job of precise design of mechanical dimensions. However, if high-frequency signals, load lines or long lines are used, these lines should be treated specially; otherwise, a series of signal interference problems, such as reflection and crosstalk between lines, […]

Have seen the PCB (printed circuit board) of radio or computer, are there any interconnected electronic components? No? Then, this is a circuit board containing pads and wires, which can be electrically connected together at different points, or more precisely, connect components and connectors to each other. Circuit boards allow signals and power to be […]