Keysight U7233A Testing Notes page 189

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DDR1 Compliance Testing Methods of Implementation
The probes are properly calibrated and skewed. Ensure that correct probes are used and they are
properly calibrated, so that it reflects the actual signal and is not over or under amplified.
Similarly, ensure that the channels are properly soldered on the DDR1 module and ensure that the
signals are not over skewed.
The types of signals selected in the Configuration page matches the physical connection. For
example, if Channel 1 is physically connected to the Clock signal, ensure that you select the same
in the Configuration page.
Common Error Messages 15
189