PAM4 Software für neue OIF-CEI- und IEEE-PAM4-Standards

Als Vorreiter auf dem Gebiet der Signalgüte arbeitet Tektronix mit Ingenieuren und Normungsorganisationen aus dem Bereich der Datenkommunikation Hand in Hand, um gemeinsam Messverfahren auf den Weg zu bringen, die für die PAM4-Charakterisierung bei Sendern und Empfängern bis zu 112 Gbit/s bzw. 56 Gbaud für neue OIF-CEI- und IEEE-PAM4-Standards erforderlich sind.


PAM4 Software für die Serien MSO/DPO70000 (C/DX/SX):

  • Opt. PAM4 – Umfassende PAM4-Analyse und Fehlerbereinigung einschließlich Jitter, Rauschen, BER, SNDR und mehr. Siehe Datenblatt »
  • Opt. 400G-TXE – TekExpress 400G TX Lösung für elektrische Konformität (OIF-CEI-56G-VSR, MR und LR). Siehe Datenblatt »
  • Opt. PAM4-O – Umfassende PAM4-Analyse und Fehlerbereinigung einschließlich ER, OMA, AOP, TDECQ und mehr.


PAM4 Software für das DSA8300:

  • Opt. 80SJARB/80SJNB – Jitter-, Rauschen- und Bitfehler-Analyse von PAM-4- und PAM-2-NRZ-Highspeed-Datenraten (seriell). Siehe Datenblatt »
  • Opt. 80S400G-TXO –TekExpress 400G TX Lösung für optische Konformität. (IEEE802.3bs und IEEE802.3cd). Siehe Datenblatt »


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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 signaling
  • Outlines important aspects of evaluating electrical and optical transmitters
  • And explains methods for evaluating PAM4 receivers and more
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.

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


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


In this video you will learn how easy it is to recover a clock on an optical PAM4…


Finding the right filter settings for your optical TDECQ and NRZ measurements can…


See the versatility of our high-speed optical-to-electrical converters (DPO7OE1…

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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