The glass weave effect on 56Gbps PAM-4 systems have shown bit error rate issues in the Lab. Our lab results show that our PAM-4 systems are more sensitive for PN skew than previous generations of NRZ with the same UI. For the current generation of designs we must consider glass direction, glass type, weave density. The stackup decisions are based on the on the measured network parameters, TDR, silicon BER, and eye diagram measurement results. Techniques used to mitigate the unbalance effect of the glass weave with differential pairs are discussed here and statistical measurement results will be shared. Speaker(s): Stephen Scearce, Agenda: Light dinner in Front Loggia, 5:30-6 PM Presentation and discussion 6:00-7:30 PM (approx.) in conference room Room: Black Mountain Conference Room, Schneider Electric, 1101 Shiloh Glenn Dr., Morrisville, North Carolina, United States, 27560, Virtual: https://events.vtools.ieee.org/m/300692
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