What is PCB Back DrillingBack drilling is a technique used to remove via stubs from the inner layers of a multilayer PCB Via stubs are non-functional portions of plated through-hole or via barrels w
The article discusses the challenges of minimizing via stub length in high-speed PCB design, using a PCIe example to show that while routing layer choices may seem similar in theory, they can lead to significant differences in signal integrity, particularly in terms of return loss and eye diagrams.
PCB with multiple routing layers and identical stub configuration Read More »
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