Download and install TINA-TI, the preferred simulator used exclusively with TI Precision Labs. https://www.ti.com/tool/tina-ti Peripheral Component Interface Express (PCIe) is a high-performance interconnect that leverages bandwidth, scalability, advanced error detection and hot-swap functionality. In this video, you'll learn about the elements that make up the PCIe signal path and the effects of attenuation on its primary transmission media – 85-ohm differential traces.  Download and install the Analog Engineer's Calculator. https://www.ti.com/tool/ANALOG-ENGINEER-CALC Download the Analog Engineer's Pocket Reference e-book. https://www.ti.com/amplifier-circuit/op-amps/precision/support-training.html#pocketref Search TI PCIe products, including redrivers, retimers and multiplexers. https://www.ti.com/interface/pcie-sas-sata/retimers-redrivers-and-switches-muxes/products.html