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PAM4 Software for Emerging OIF-CEI and IEEE PAM4 Standards

Tektronix, at the leading edge of signal fidelity, works in collaboration with datacom engineers and standards organizations to help pioneer the measurement techniques needed to perform PAM4 Tx and Rx characterization up to 112Gbps/56Gbaud for emerging OIF-CEI and IEEE PAM4 standards.

Real-Time Scope

PAM4 software for the MSO/DPO70000 (C/DX/SX) series:

  • Opt. PAM4 - Comprehensive PAM4 analysis and debug including jitter, noise, BER, SNDR and more. See datasheet »
  • Opt. 400G-TXE – TekExpress 400G TX electrical compliance solution (OIF-CEI-56G-VSR, MR, and LR). See datasheet »
  • Opt. PAM4-O - Comprehensive PAM4 analysis and debug including ER, OMA, AOP, TDECQ, and more.

Sampling Scope

PAM4 software for the DSA8300:

  • Opt. 80SJARB/80SJNB -  Jitter, noise, and BER analysis of high-speed PAM-4 and PAM-2 NRZ serial data rates. See datasheet »
  • Opt. 80S400G-TXO –TekExpress 400G TX optical compliance solution. (IEEE802.3bs and IEEE802.3cd). See datasheet »


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PAM4 in 400G/200G/100G/50G Networking Technology
Optical Bandwidth Requirements for NRZ and PAM4 Signaling
Until recently, both optical and electrical bandwidths produced similar results but this is no longer the case with the recent IEEE spec change. This paper clarifies these terms, mathematically shows …
Overcoming SNDR Measurement Challenges in 100G, 400G Datacom Testing
With important changes occurring in transmitter characterization and measurement methods for 100G and 400G standards (both IEEE and OIF-CEI) it is vital to learn more about SNDR and its advantages …
PAM4 Signaling in High Speed Serial Technology: Test, Analysis, and Debug
Learn valuable information on testing PAM4 technology and approaches for validating PAM4 signals.  This application note describes: PAM4 technology for 50-400G applications Provides details of PAM4 …
PAM4 Electrical Webinar
The accelerated development of 400G Ethernet technology is driving new requirements through the test community as it relates to measuring electrical PAM4 systems. This presentation will review PAM4 …
Webinar: PAM4 Optical Transceiver Characterization
Watch as we discuss PAM4 optical transceivers, both 100G and 400G, including the latest on standards, testing, and characterization. We cover high throughput NRZ measurement and margin and compare …
Practical 400G PAM4 Test Methods - Optical and Electrical Measurement
The accelerated development of 400G Ethernet technology is driving new requirements through the test community as it relates to measuring PAM4 signals for optical and electrical systems. This …
Webinar: High Volume Optical Transceiver Validation
Learn about the current challenges in testing optical transceivers in a high volume manufacturing setting, and see a demonstration of a transceiver test system for PAM4 characterization using the …