April 5-7, 2022|Santa Clara Convention Center| Santa Clara, CA

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Receiver Calibration & Testing Methodologies Comparison for PAM-4 IOs


Marianne Nourzad  (Analog Engineer, Intel)


Hsinho Wu  (Design Engineer, Intel)

Christiaan Bil  (Analog Engineer, Intel)

Joseph Boon Hock  (product development engineer, Intel)

Masachi Shimanouchi  (Design Engineer, Intel)

Karsten Stangel  (Analog Engineer, Intel)

Jong-Ru Guo  (Analog Engineer, Intel)

Mohiuddin Mazumder  (Senior Principal Engineer, Intel)

Zuoguo Wu  (Senior Principal Engineer, Intel)

Mike Li  (Fellow, Intel)

Location: Ballroom G

Date: Wednesday, April 6

Time: 11:15 am - 12:00 pm

Track: 12. Applying Test & Measurement Methodology, 08. Measurement & Simulation Techniques for Analyzing Jitter, Noise & BER

Format: Technical Session

Theme : High-speed Communications

Education Level: All

Pass Type: 2-Day Pass, All Access Pass

Vault Recording: TBD

Audience Level: All

This paper will provide a detailed overview and comparison of the methods used for the calibration and receiver testing for PCI-Express 6.0 and IEEE 802.3 Ethernet. Starting with PCIe 6.0, PAM-4 signaling scheme is used for PCIe, as opposed to Non-Return to Zero (NRZ) signaling for previous PCIe generations. As a result, significant changes in calibration tools and measurement capabilities are needed for PCIe 6.0 Receiver testing. A methodology comparison to the already established IEEE 802.3 Ethernet is done both theoretically and by observing the Bit Error Rate impact on commercially available silicon, while subjecting the Receiver under test to both PCIe stressed eye calibration and IEEE interference tolerance calibration recipe.


The audience will gain the knowledge on receiver calibration and testing in PAM-4 high-speed serial links, including the upcoming PCI-Express 6.0 receiver stressed eye calibration methodology.

Intended Audience

For audience with knowledge on high-speed serial links, jitter and noise components, and receiver calibration and testing schemes in serial communication links