Kontron Compact Computers AG SMX945 Detailed Manual V1.1
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6.5. Layout of High Speed Signals:
6.5.1. Design Rules for PCIexpress
Point-to-point, match
per data pair only
TX must be AC coupled
up to 12" long, 0.3dB loss per inch
max. 13.2 dB loss and 300ps jitter between TX - RX!
