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PAM-4 Simulation to Measurement Validation

PAM-4 Simulation to Measurement Validation

White Papers

Next-generation of OIF and IEEE signaling standards are seriously considering PAM-4 signaling at 56 Gb/s over electrical channels. To exploit the advantages of PAM-4 signaling, a new measurement and simulation eco-system must be established and validated. Simulation of PAM-4 signals are done with an IBIS-AMI signal generator, an S-parameter channel model, and remote access software for receiver data recovery. Measured data is from commercially available PAM-4 generators, QSFP28 Ethernet cable assemblies, and digital oscilloscope receivers with specialized waveform processing. This paper will present correlation data to validate the software and hardware tools necessary for fast-track deployment in upcoming PAM-4 applications. 

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