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You are here: Home > Reverse Engineering PCB > Printed Circuit Board Reverse Engineering Power Comsuption

Printed Circuit Board Reverse Engineering Power Comsuption

When there are multiple integrated circuits on the PCB Reverse Engineering, and some of them have great power comsuption, there will be great electrical level difference on the ground line and form the common impedance interference, In this case, it is better to design the ground line into the close shut-down circle loop which has no electrical level difference if reverse engineering Printed Circuit Board, it can have a higher noise capacitance; shorten the lead length as much as possible and connect all of the GNDs from each integrated circuits to the entrance of Printed Circuit Board ground line in the shortest distance, decrease the peak pulse generated from the conductors from Printed Circuit Board reverse engineering; make the ground line, power supply line and data transmission line are on the same orientation to increase the noise capacitance when reverse engineering Printed Circuit Board.

When reverse engineering printed circuit board with tremendous high speed logic circuits, multilayer printed circuit board is the first choise, since it can decrease the electrical level difference, and impedance from power supply line and cross-talk among the signal lines. When in the scenario that multilayer printed circuit board can’t be used but need to use double sides printed circuit board reverse engineering, the ground line width and space must be widen, normally the width of grounding line on when reverse engineering printed circuit board must be as wide as three times of specified current can flow through; or use the mini-female cable method and distribute the public wire and grounding wires among the two sides of printed wiring board clone. When there are exist multiple terminal sockets contacts on the printed circuit board socket, should prepare more leads on it as grounding line.


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