Signal Integrity, Design and Measurement
General
The PCI Express bus runs at 2.5Gb/s and it should be noted that, without a proper PCB design, developers will not be able to produce a functional product. At these frequencies the losses impact the quality of the signal that passes through the transmission medium. Additional sources of problems may also be attributed to crosstalk. In short, more extensive research on high-speed design guidelines and simulation by system modeling are strongly recommended. Here are a few items that first time designers of Gigahertz technology should be aware of and pursue.
High Speed PCB Design Requirements
The designer must be aware of:
Symmetrical routing and trace length matching
There are requirements for routing ...
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