PCB Impedance Discontinuity occurs when there is a sudden change in impedance along a signal path, causing reflections and signal distortion. Common causes include vias, connectors, trace width changes, and poor reference plane transitions. These issues become critical in high-speed and RF designs, where even small mismatches affect performance. Proper stack-up planning, controlled impedance routing, and optimized via design help reduce problems. At BitWise Laboratories, advanced testing and analysis services support engineers in identifying and minimizing [PCB Impedance Discontinuity](https://bitwiselabs.com/), ensuring reliable signal integrity and high-performance PCB designs.

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