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Modeling and Simulation for Network Signal Integrity Design

CAN Network SI

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

 
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