PCIe Redrivers

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redrivers
PCI Express® Retimers vs. Redrivers: An Eye-Popping Difference

A redriver amplifies a signal, whereas a retimer retransmits a fresh copy of the signal. Retimers provide capabilities such as PCIe® protocol participation, lane-to-lane skew compensation, adaptive EQ, diagnostics features, etc. Therefore, retimers particularly address the need for reach extension in PCIe 4.0 & PCIe 5.0 systems, where increased number of PCIe slots, multiconnectors, and long physical topologies lead to signal integrity (SI) challenges.