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Cars > tingyuya’s Garage > Blog > Analysis of the PCB Ibuonline the personalized printed circuit board manufacturers layered strategy

 

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Analysis of the PCB Ibuonline the personalized printed circuit board manufacturers layered strategy

By tingyuya

??Analysis of the PCB Ibuonline the personalized printed circuit board manufacturers layered strategy
??Custom printed circuit board manufacturing?The design of the circuit board thickness, the vias process and the number of layers of the circuit board is not the answer key, excellent layered stack is to ensure that the bypass and decoupling of the power bus, the smallest transient voltage on the power planes or ground layer and the signal and power of the electromagnetic field shielding up the key. From the signal traces look good layered strategy should be to all signal traces on one or several layers, the layer next to the power planes or ground layer. For power, good layering strategy should be adjacent power layer and the ground layer and power layer and the ground layer of distance as small as possible, this is what we are talking about "tiered" strategy. Below we will talk specifically about the excellent PCB layered strategy. circuit board manufacturing companies.
??A projection plane of the wiring layer should be refluxed in its planar layer within the region. Wiring layers, if not its reflux within the projection area of the flat layer to, there will be a signal line outside of the projection area, leading edge radiation problem, and also result in the area of the signal circuit is increased, resulting in increase in differential-mode radiation in the wiring .
??2 as far as possible to avoid the wiring layer adjacent to the setting. Adjacent parallel signal traces on the wiring layer causes the signal crosstalk, so if you can not avoid the wiring layer adjacent layer spacing between the two wiring layers should be appropriate to pull narrow layer spacing between the wiring layer and its signal circuit.
??3 adjacent plane layer should avoid overlapping projection plane. Because the overlap of the projection, the coupling capacitance between the layers and will cause the noise between the layers coupled to each other.
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Cars > tingyuya’s Garage > Blog > Analysis of the PCB Ibuonline the personalized printed circuit board manufacturers layered strategy

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