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Andrew Zonenberg

Took a few minutes to get initial proof of life out of the GTXes.

Here's a PRBS-15 out of the front panel "sync" port. Cable losses de-embedded to the SMPM reference plane, but losses in the DC block and SMA - 2.92mm adapter are not included in the de-embed.

After the PCB channel (about 100mm of TU872SLK), once I spent a few minutes tweaking TX FFE settings, the waveform comfortably passes the XFI eye mask.

ngscopeclient screenshot showing 10.3125 Gbps PRBS-15 eye pattern passing the XFI eye mask
Feb 26, 2024, 07:38 PM·Public·Web
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