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teledyne lecroy

What is PCIe gen 6 and how do I test it? (Part 2)

September 5, 2023 By Rick Nelson

PAM4 modulation boosts throughput but adds test challenges. Part 1 of this two-part series described the evolution of the PCI Express (PCIe) standard, including the move from non-return-to-zero (NRZ) signaling in PCIe 5 to four-level pulse-amplitude modulation (PAM4) signaling in PCIe 6. What unique test challenges does PCIe 6 present? As mentioned in Part 1, […]

Filed Under: FAQ, Featured, Test and Measurement Tips Tagged With: Cadence, keysighttechnologies, synopsys, tektronix, teledyne lecroy

What are insertion loss and return loss and how can I measure them?

March 20, 2023 By Rick Nelson

These basic RF measurements often uncover system problems in wired and wireless communications. If you observe a signal traveling from a source to a load through a passive system of some sort, you will notice that the signal attenuates by the time it reaches the load, and you will also notice that some of the […]

Filed Under: FAQ, Featured, Test and Measurement Tips Tagged With: FAQ, tektronix, teledyne lecroy

Software tests PCIe 6.0 on high-end oscilloscope

January 24, 2023 By Martin Rowe

Teledyne LeCroy has released a beta version of software for automating serial-data analysis on PAM4 signals. Engineers can request a copy. By using PAM4 modulation, PCIe 6.0 doubles data rates to 64 GT/sec (256 Gb/sec when using an x16 configuration). The “secret sauce” in the doubling comes from PAM4, which puts four voltage levels in […]

Filed Under: Test and Measurement Tips Tagged With: teledyne lecroy

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