Tag: PAM4

PAM4 And How Forward Error Correction (FEC) Produces Relief -  And New Problems

Industry Insights

PAM4 And How Forward Error Correction (FEC) Produces Relief - And New Problems

Stephanie Michel 2019.02.15

Forward Error Correction [1] is becoming ubiquitous in the data-center. Not only in 400G links, where SNR requirements to achieve error-free transmission using  PAM4 modulation cannot be met anymore, 

3 min read

#PAM4 #400GE #Data Center Infrastructure

5 Tips to Reduce Data Center Transceiver Costs

Industry Insights

5 Tips to Reduce Data Center Transceiver Costs

Nicole Faubert 2019.01.10

The cost of optical transceivers is a major concern for data center operators as they migrate their networks from 100GE to 400GE. To be competitive, transceiver manufacturers must find ways to drive d

7 min read

#PAM4 #Data Center Infrastructure #400GE #5G

6 Key Trends Driving Data Center Innovation

Industry Insights

6 Key Trends Driving Data Center Innovation

Nicole Faubert 2018.11.23

Ever increasing demands for a connected world with instant data access continues to drive data center innovation. Data center operators need to embrace new technologies to support the response times a

6 min read

#Network Test #PAM4 #Data Center Infrastructure #400GE #5G

Keeping the Pulse on 400GE in the Data Center

Industry Insights

Keeping the Pulse on 400GE in the Data Center

Nicole Faubert 2018.10.29

At the heart of every data center is the transceiver. Large hyperscale data centers have more than 50,000 optical fibers in them. With a transceiver at each end of the fiber, these data centers house

5 min read

#Network Test #PAM4 #Data Center Infrastructure #400GE #Communications

PAM4 and FEC Push the Limits of the Shannon-Hartley Theorem

Industry Insights

PAM4 and FEC Push the Limits of the Shannon-Hartley Theorem

Nicole Faubert 2018.10.15

The Shannon-Hartley theorem states that there is a theoretical maximum amount of error-free data that can be delivered over a specified channel bandwidth in the presence of noise. By increasing either

5 min read

#Communications #Network Test #PAM4 #Data Center Infrastructure #400GE

5 Ways to Overcome Signal and Power Integrity Challenges with Simulation

Simulation + Design

5 Ways to Overcome Signal and Power Integrity Challenges with Simulation

Anna McCowan 2018.08.28

Engineers continue to face major challenges when it comes to signal and power integrity in modern day high-speed systems. These often include higher device integration, lower IC supply voltages, small

10 min read

#PAM4 #Design Software