Reading time ( words)
One method to achieve higher data rates is to encode multiple bits per transition; PAM-4 does this by sending 2 bits every unit interval. The result is multiple eyes at the receiver, as opposed to just a single eye.
This video demonstrates how HyperLynx includes PAM-4 signaling in serial link analysis to allow for analysis of links that use this signaling standard.
09/18/2017 | Kelly Dack, CID+, EPTAC
There are thousands of things that can go wrong during the design and manufacture of a PCB assembly. One might say that it is an absolute miracle when a PCB goes through all of its phases—design, fabrication and assembly—and operates successfully. But there are some management and customer cultures who naively attempt to resolve problems by seeking out the culprits and shouting “Off with their heads!”
03/22/2017 | Andy Shaughnessy, PCBDesign007
At DesignCon, I met with Dave Kohlmeier, senior product line director for Mentor Graphics. We discussed their Best Paper award and DesignCon sessions such as the Signal Integrity Boot Camp, as well as the new rigid-flex capabilities found in the HypeLynx suite.
03/15/2017 | Dingru Xiao, Cadence Design Systems
Advanced PCB design is an iterative process of analysis-fix-analysis. Historically, this process is very time-consuming, requiring analysis experts and PCB designers to work together to find and fix layout problems. This article describes a new PCB design methodology that allows a PCB designer to perform the power design without having to run expert-level analysis tools. This methodology provides the setup automation for advanced analysis without the need to understand every minute parameter, and can be completed in a few steps.