The SpaceWire Physical Layer Tester (SPLT) is a tool designed to test, validate and verify a SpaceWire system across all levels of the SpaceWire standard. Two SpaceWire ports employ a special LVDS interface which allows the transmitted signals to be deliberately and measurably manipulated to test the capability of a unit under test to receive signals of varying quality.
The SPLT SpaceWire drivers offer full, independent control of LVDS common-mode and amplitude for data and strobe pairs, and additional manipulation of skew and jitter characteristics can be introduced between data-strobe and in-pair.
To facilitate acquisition of an eye-diagram, the analogue LVDS signals received on these ports are buffered onto external connectors for easy interfacing to an oscilloscope.
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