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Keyword: PCB circuit layout, PCB directional antenna working process, PCB figure

Working principle of the directional antenna PCB? PCB directional antenna working process, the system layout is completed, to review PCB figure, look at the layout of the system is reasonable, whether can achieve the optimal effect. Usually can be examined from the following several aspects:

1. The system whether guarantee reasonable wiring or optimal layout, wiring whether can guarantee the reliable and can ensure the reliable of circuit. When the layout of the need of the signal and the direction of the power and ground network have a whole understanding and planning.

2. The PCB size is consistent with the processing drawing size, can meet the requirements of PCB manufacturing process, any behavior. Don't pay attention to this need, a lot of PCB circuit layout and wiring design beautifully, reasonable, but neglect the precise localization of locating connectors, lead to can't and other circuit docking design.

3. Components in 2 d and 3 d space without conflict. Pay attention to the actual size devices, especially the height of the device. Yuan device, layout of the welding from altitude generally no more than 3 mm.

4. The component layout density and orderly, neat rows, whether all the cloth. When components layout, not only to consider the direction of the signal and the signal types, need to pay attention to the places or protect, also want to consider the overall density of the device layout, density uniformity.

5. Often need to change the components can be easily replaced, whether it's a good card inserted into the device. Often should guarantee the change of components of the replacement and plug is convenient and reliable.

Source: http://www.seekic.com