Rohde & Schwarz presents first automated solution to speed up PCIe 5.0 and 6.0 cable and connector compliance testing

06/14/2023

Rohde & Schwarz efficiently tackles compliance verification challenges for PCIe 5.0 and 6.0 cables and connectors by automating the process with a new R&S ZNrun vector network analyzer automation suite option. R&S ZNrun-K440 is designed for automatic compliance testing of PCIe 5.0 and 6.0 internal and external cables and connectors in line with PCI-SIG specifications, saving users a lot of time. The test setup is based on the R&S ZNB26 or R&S ZNB43 vector network analyzer with four test ports in combination with multiple open switch and control platforms – depending on the number of the DUT lanes for verification – to provide multiple four-port measurements, all without reconnecting to the DUT and repeatedly terminating the other lanes. A PCIe x8 cable, for example, has 16 lanes and requires 64 test ports, provided by three R&S OSP320 platforms, while a PCIe x4 cable only needs 32 test ports from two R&S OSP320 platforms.

The R&S ZNrun-K440 solution fully automates all measurements in line with the PCIe specification. Postprocessing of defined PCIe metrices is also covered. A powerful test configurator lets test items be selected and deselected by lane for greater flexibility in meeting customer needs and preferences in R&D and verification testing. A test report with a pass/fail verdict is generated at the end of the automated measurement. The automation features a new calibration procedure, which significantly reduces number of calibration steps and calibration connections. It also includes a method for de-embedding of the test fixture as required in the PCIe test specifications.

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