PCB Board Reverse Engineering Lay-Up

PCB Board Reverse Engineering Lay-Up structure will normally use P as the reference plane layer, S as the signal layer, T as top layer, B as bottom layer. Hereby we would like to take a PCB board with twelve layers as reference to illustrate the structure, and the layer distribution according to their functionality can be seen below:

T-P-S-P-S-P-S-P-S-P-S-S-P-B

PCB Board Reverse Engineering Lay-Up structure will normally use P as the reference plane layer, S as the signal layer, T as top layer, B as bottom layer.
PCB Board Reverse Engineering Lay-Up structure will normally use P as the reference plane layer, S as the signal layer, T as top layer, B as bottom layer

Install the direct voltage on the plane layer: there is an important measure to solve the power supply integrity issue, and decoupling capacitors can only be set on the top or bottom layer of multilayer PCB, decoupling capacitor effect will be affected severely by other adjacent circuit, soldering pad and through hole, which also require the circuit connected to the decoupling capacitors as short and wide as possible,

Designate the 2nd layer as the high speed digital component power source; use 4th layer as high speed digital ground; but place the decoupling power supply place on top of the PCB board layer, which will be viewed as a reasonable design structure for multilayer PCB board lay-up. Besides, need to ensure the signal circuit drive by same high speed generator and use the same power supply layer as reference plane for PCB reverse engineering, and use this power supply layer as the high speed part source.

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We are a Full Service Contract Manufacturer specializing in Defense, Commercial and Industrial Electronics for over 40 years. Circuit Engineering Co.,Ltd. offers the latest in Technology Solutions such as PCB reverse engineering, PCB Board Clone, PCB Assemble Copy, Printed Circuit Board Replicate, Printed Wiring Board Duplicate, Turnkey Manufacturing and Engineering Services. Our capabilities include:

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