Exploring PCI Express: Reference Clock Spread Spectrum Clocking (SSC) and Clock Data Recovery

PCIe 100 MHz reference clock signal is modulated in frequency using Spectrum Clocking (SSC). This explains the wide signal we observed when plugged into our SDR receiver. Clocking for PCIe Applications PDF https://bit.ly/3YZDQTU GogoTraining - 8b/10b Encode/Decode https://bit.ly/3XhGSS5