Modeling and Simulation for Network Signal Integrity Design

Catch Signal Integrity Issues Early

Ensure all variants of a CAN network function correctly using simulation-based techniques.

Designing and managing multiple networks connected to a hundred computers, and exchanging thousands of signals, can lead to a complexity nightmare.

The complexity of in-vehicle networks such as CAN creates significant challenges to verify a network’s physical layer signal integrity. The building of traditional physical prototypes to test the network against its system specifications is expensive.

Based on the IEEE standard language VHDL-AMS, the SystemVision virtual design environment provides hardware modeling capabilities that are well suited for CAN SI analysis.

• Model the analog, digital, and mixed-signal aspects of the transceivers
• Model the behavior of twisted-pair transmission lines, connectors, and other components of the CAN physical layer

SystemVision supports both VHDL-AMS as well as traditional Spice modeling methods.

Examples of Simulation-based Techniques

• Analysis of static and dynamic features of transceivers, lines, and other components
• Examining termination strategies
• Characterizing data delay vs. intermediate-note stub-length
• Assessment of electrostatic discharge protection capability of transient voltage suppression components