PCB Circuit Card Reverse Engineering Signal Singularity Analysis
APSIM-SPI will consider the impact of ground layer in the process of signal singularity analysis of Pcb circuit card reverse engineering. For SPI can view the Component IBIS or SPICE models, parasite parameter model and signal layout parameter model as a whole unit. As a result of that, whatever simulated parts like decoupling capacitor, wave filtering and terminal resistor in your PCB Circuit Board reverse engineering process or SSO switch noise, ground bounce noise from the working PCB Circuitry, it will reflect completely on the simulation wave result.
Using the SPI tools from APSIM company to deal with the issues occurs, signal singularity situations on the pcb circuit card can be monitored by the engineer and make prompt adjustment. If they found the ground track hasn’t been layout in sufficient width which can cause the noise, even distortion, then engineer can modify the width of it till the satisfied result can be obtained.
In the past, how much width the ground track should be layout, engineer can only modify it according to the experience without any tools to affiliate them to make the guideline. If the grounding line doesn’t have a good layout, it will cause the malfunctionality of pcb circuit card in great possibility.
As we all know, the design of pcb circuit card nowadays become much more difficult than previous, except the ground line width issue, it should also include the surface filled, multilayer plane design especially the ground surface separation technology, etc. for different frequency need to use different processing methods to reverse engineering PCB Board.
The limited working experience fail to satisfy the PCB reverse engineering requirement. Now by the assistance of APSIM-SPI tools, engineers can know conveniently that if their groundling surface, groundling system design is rational or effective.
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