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Printed Circuit Board Size and Device Layout

Jun 13, 2017

Printed Circuit Board size should be moderate, if the printed line length is too long, which increases impedance, not only anti-noise capacity declines, the cost is higher, if it too short, the heat dissipation will not be good, and vulnerable to interfere by adjacent line.

In the device layout should be same with other logic circuits, it should be related to the device as close as possible, so you can get a better anti-noise effect. The generator, crystal and CPU clock input are easy to produce noise, it should be close to each other. The devices that are easy to produce noisily, small current circuits, high current circuits should be kept away from the logic circuit, if possible, should do another circuit board, which is very important.

Printed Circuit Board

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