PCB Assembly Card Reverse Engineering Negative Current

In the process of PCB assembly card reverse engineering, and the negative current which flow through signal can return to the route to ensure the flow in positive current can maintain the same amount. However, the location in front of the signal wave, Alternative current can flow through the signal line and signal reverted route can form the capacitor, to complete the signal loop to stabilize the featured impedance.

PCB Assembly Card Reverse Engineering Negative Current

PCB Assembly Card Reverse Engineering Negative Current

From the perspective of battery, once the design engineer can introduce the battery lead into the front terminal of transmission line, and there will be a constant value of current will flow into the battery, and keep the voltage signal stable. Probably some of the engineers will question what kind of electronic components will be granted to such performance? And naturally the constant voltage signal can maintain the constant current value, it is resistor.

As for the battery, signal can broadcast alongside the transmission line, and every 10ps time separation, 0.06inch of transmission line will be charged to 1V, and the newly added electrons from the battery can keep a stable current, current absorbed from the battery, transmission line is equal to a resistor and resistor value is consistent. The meaning call it surge impedance of transmission line.


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