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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Title
PAM4 in 400G/200G/100G/50G Networking Technology
Optical Bandwidth Requirements for NRZ and PAM4 Signaling

Until recently, both optical and electrical bandwidth produced similar results but this is no longer the case with the recent IEEE spec change. This paper clarifies these terms, mathematically shows how they are related, and provides the basis to understand and confidently calculate optical and electrical bandwidth for an optical channel.

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, key instrument considerations to account for, and how acquisition bandwidth influences SNDR noise parameters and more.

This video highlights the benefits of using the DPO70000SX real time oscilloscope…

4:02

The accelerated development of 400G Ethernet technology is driving new…

1:00:12
Title
PAM4 Electrical Webinar

This presentation will review PAM4 measurement methodologies and expand on emerging needs related to FFE reference equalization, clock recovery challenges, BER measurement needs as well as SNDR as it relates to multi-level signaling. 

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 presentation will review both of these two very different technology fronts and discuss practical elements of physical layer PAM4 testing ranging from 50mm based CEI-XSR specs to 10Km 400GBASE-LR8.

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