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Advantages of PCB Multilayer Board
Compared with a double-layer board, the multilayer circuit board has greatly improved the electromagnetic compatibility.
The benefits of doing so are as follows:
(1) The inductance of the power wire and ground wire is greatly reduced, thus reducing the noise voltage
(2) The power supply layer and ground layer form a large distributed capacitor, which provides a good high-frequency decoupling effect for the power supply, thus reducing the noise on the power cord.
(3) Independent power and ground layer can minimize the area of all signal loops.
PCB multilayer board is the trend of the circuit board industry, the circuit board industry is developing toward the smaller size, the smaller the hole, the thinner the thickness, the larger the number of layers, the smaller the line width and spacing and so on.
Many high-precision high-tech electronic products are required multilayer PCB board to achieve functions, the ordinary double-sided board simply cannot replace.