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  • Introduction
  • Agenda
  • Where PAM-4 is used
  • These Standards / Implementation Agreements are not released
  • Challenges with the shift to PAM-4 signaling
  • PAM4 Simulation
  • Does Your Legacy Channel Go Faster with PAM-4
  • AMI Simulation Flow for PAM4
  • IBIS-AMI Based PAM-4 Link Simulation
  • Introducing PAM-4 IBIS AMI Channel Simulation
  • PAM-4 Channel Simulations that Predict Measurements
  • Trust Keysight to Lead the Industry in PAM-4 Simulations
  • Output (Transmitter) Characterization
  • Patterns
  • Compliant Frequency Response (Reference Receiver)
  • Clock Recovery for PAM-4 Designs
  • System Architectures - Optical
  • Output (Transmitter) Characterization: Optical
  • A quick review of legacy 25 GBd NRZ Tx Test…
  • The Basic Concepts of Transmitter and Dispersion Penalty (TDP)
  • The TDP concept…and it’s challenges.
  • Overview of Key Optical PAM-4 Measurements
  • PAM-4: OMA and Extinction Ratio
  • PAM4 transmitter ‘eye’ will be more closed at 26 and 53 Gbaud compared to NRZ
  • TDECQ: Transmitter and Dispersion Eye Closure Quaternary
  • Transmitter and dispersion eye closure for PAM-4 (TDECQ)
  • Keysight TDECQ implementation
  • TDECQ measurement setup
  • TDECQ, OMA and ER all available from the TDECQ process
  • Early TDECQ Findings
  • 53 Gbaud (106 Gb/s/PRBS13Q) Optical PAM-4 analysis
  • Keysight Oscilloscope Solutions for Optical Test
  • Keysight Real-time oscilloscope with O/E front-end
  • Optical PAM4 Demo
  • Demo Setup – Optical 26.5625 GBd PAM4
  • Demo
  • Output (Transmitter) Characterization: Electrical
  • Key Electrical Measurements
  • Transmitter Linearity at TP0a (IEEE)
  • Signal-to-noise and distortion ratio (SNDR)
  • Output Jitter at TP0a
  • Key Electrical PAM-4 Measurements at TP1a
  • Eye Width, Eye Height Measurement Method
  • Host output eye height (TP1a)
  • Eye Width, Eye Height Measurements
  • Eye symmetry mask width (ESMW) at TP1a
  • Transition Times at TP1a
  • Key Electrical PAM-4 Measurements at TP4
  • Host output eye width and eye height (TP4)
  • CEI-56G-VSR-PAM-4 Very Short Reach (VSR) Interface
  • Transmitter Linearity
  • Keysight Electrical Solutions Used to characterize / troubleshoot PAM-4 Electrical Tx Designs
  • Built-in PAM-4 Measurement Capability
  • PAM-4 Measurement Apps for Keysight Scopes
  • Keysight Oscilloscope Solutions - Electrical
  • Compare 56 GBaud (112 Gb/s) PAM-4 signals
  • Oscilloscope Solutions for 100G/400G
  • Electrical PAM4 Demo
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  • Speaker: Steve Sekel, 400G Solutions Specialist Internet Infrastructure Solutions / Keysight Technologies
  • Speaker: Steve Sekel, 400G Solutions Specialist Internet Infrastructure Solutions / Keysight Technologies
  • Speaker: Steve Sekel, 400G Solutions Specialist Internet Infrastructure Solutions / Keysight Technologies
  • Speaker: Steve Sekel, 400G Solutions Specialist Internet Infrastructure Solutions / Keysight Technologies
  • Speaker: Steve Sekel, 400G Solutions Specialist Internet Infrastructure Solutions / Keysight Technologies
  • Speaker: Rob Sleigh, Strategic Planner / Keysight Technologies
  • Speaker: Rob Sleigh, Strategic Planner / Keysight Technologies
  • Speaker: Rob Sleigh, Strategic Planner / Keysight Technologies
  • Speaker: Rob Sleigh, Strategic Planner / Keysight Technologies
  • Speaker: Rob Sleigh, Strategic Planner / Keysight Technologies
  • Speaker: Rob Sleigh, Strategic Planner / Keysight Technologies
  • Speaker: Rob Sleigh, Strategic Planner / Keysight Technologies
  • Speaker: Rob Sleigh, Strategic Planner / Keysight Technologies
  • Speaker: Rob Sleigh, Strategic Planner / Keysight Technologies
  • Speaker: Rob Sleigh, Strategic Planner / Keysight Technologies
  • Speaker: Rob Sleigh, Strategic Planner / Keysight Technologies
  • Speaker: Rob Sleigh, Strategic Planner / Keysight Technologies
  • Speaker: Rob Sleigh, Strategic Planner / Keysight Technologies
  • Speaker: Rob Sleigh, Strategic Planner / Keysight Technologies
  • Speaker: Rob Sleigh, Strategic Planner / Keysight Technologies
  • Speaker: Rob Sleigh, Strategic Planner / Keysight Technologies
  • Speaker: Rob Sleigh, Strategic Planner / Keysight Technologies
  • Speaker: Rob Sleigh, Strategic Planner / Keysight Technologies
  • Speaker: Rob Sleigh, Strategic Planner / Keysight Technologies
  • Speaker: Rob Sleigh, Strategic Planner / Keysight Technologies
  • Speaker: Rob Sleigh, Strategic Planner / Keysight Technologies
  • Speaker: Rob Sleigh, Strategic Planner / Keysight Technologies
  • Speaker: Rob Sleigh, Strategic Planner / Keysight Technologies
  • Speaker: Rob Sleigh, Strategic Planner / Keysight Technologies
  • Speaker: Rob Sleigh, Strategic Planner / Keysight Technologies
  • Speaker: Rob Sleigh, Strategic Planner / Keysight Technologies
  • Speaker: Rob Sleigh, Strategic Planner / Keysight Technologies
  • Speaker: Rob Sleigh, Strategic Planner / Keysight Technologies
  • Speaker: Rob Sleigh, Strategic Planner / Keysight Technologies
  • Speaker: Rob Sleigh, Strategic Planner / Keysight Technologies
  • Speaker: Rob Sleigh, Strategic Planner / Keysight Technologies
  • Speaker: Rob Sleigh, Strategic Planner / Keysight Technologies
  • Speaker: Rob Sleigh, Strategic Planner / Keysight Technologies
  • Speaker: Rob Sleigh, Strategic Planner / Keysight Technologies
  • Speaker: Rob Sleigh, Strategic Planner / Keysight Technologies
  • Speaker: Rob Sleigh, Strategic Planner / Keysight Technologies
  • Speaker: Rob Sleigh, Strategic Planner / Keysight Technologies
  • Speaker: Rob Sleigh, Strategic Planner / Keysight Technologies
  • Speaker: Rob Sleigh, Strategic Planner / Keysight Technologies
  • Speaker: Rob Sleigh, Strategic Planner / Keysight Technologies
  • Speaker: Rob Sleigh, Strategic Planner / Keysight Technologies
  • Speaker: Rob Sleigh, Strategic Planner / Keysight Technologies
  • Speaker: Rob Sleigh, Strategic Planner / Keysight Technologies
  • Speaker: Rob Sleigh, Strategic Planner / Keysight Technologies
  • Speaker: Rob Sleigh, Strategic Planner / Keysight Technologies
  • Speaker: Rob Sleigh, Strategic Planner / Keysight Technologies
  • Speaker: Rob Sleigh, Strategic Planner / Keysight Technologies
  • Speaker: Rob Sleigh, Strategic Planner / Keysight Technologies
  • Speaker: Rob Sleigh, Strategic Planner / Keysight Technologies
  • Speaker: Rob Sleigh, Strategic Planner / Keysight Technologies
  • Speaker: Rob Sleigh, Strategic Planner / Keysight Technologies
  • Speaker: Rob Sleigh, Strategic Planner / Keysight Technologies
  • Speaker: Rob Sleigh, Strategic Planner / Keysight Technologies