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Keysight N5990A MIPI M-PHY Receiver Test User Guide
4
Calibrations
When the DSGA is used, two calibrations are required at each data rate:
one for Data0 and another one for the other channels. The calibration for
Data0 includes the switch. For the other channels, Data1 is calibrated
without the switch.
Procedure
The pattern generator does a sweep of the random jitter values starting
with the Min Jitter Value and increases using the Step-Size value until the
specified Max Jitter Value is reached. The oscilloscope measures the
actual random jitter at each step and then the set and actual jitter values
are stored.
Connection Diagram
Refer to the connection diagrams shown in the Connection Diagram
section of the ISI (w/Switch) Calibration test.
Parameters
The parameters used in
Expert Mode
for this calibration, are as follows:
• Lane Under Test Termination Model
• Oscilloscope Bandwidth
• Amplitude
• Min Jitter Value
• Max Jitter Value
• Step Size
• Scope RJrms
• Use Infiniisim
• Transfer Function Chan2
• Filter Delay Chan2
• Max Time Span Chan2
These parameters are listed in
.
Dependencies
No calibration is required for this procedure.
Summary of Contents for N5990A
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