A Method for Evaluation on Signal Integrity of SpaceWire High-Speed Transmission Network

In this paper, the necessity of making signal integrity (SI) evaluation on the free topological network of SpaceWire is discussed, and a kind of simulation evaluation method for the SI of SpaceWire transmission network based on IBIS model and Cadence is proposed. The major steps include: analyzing the simulation errors of model introduction by extracting the S-parameter model; carrying out simulations such as coupling length, impedance matching and differential crosstalk; evaluating the overall quality of SI of the entire transmission network. Such SI simulation evaluation method has been proven feasible in the practical test, which helps to improve the SI performance of the transmission bus in terms of both design and usage.

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