-SCS Pulse Card (PGU and PMU) User's Manual Section 3:
Setting up PMUs and PGUs in Clarius
4200A-PMU-900-01 Rev. B March 2023 3-9
Current Spot Mean High
Makes current measurements on the amplitude. Available when the Test Mode is set to Pulse I-V.
The following figure shows an example of a spot mean measurement on pulse high (amplitude) and
pulse low (base level). For a more detailed example, refer to Test Mode (PMU) (on page 3-16
).
Figure 36: Spot mean measurements
Current Spot Mean Low
Makes current measurements on the base level. Available when the Test Mode is set to Pulse IV.
The following figure shows an example of a spot mean measurement on pulse high (amplitude) and
pulse low (base level). For a more detailed example, refer to Test Mode (PMU) (on page 3-16
).
Figure 37: Spot mean measurements
Measure Current Range (PMU)
The measure range determines the full-scale measurement span that is applied to the signal.
Therefore, it affects both the accuracy of the measurements and the maximum signal that can be
measured.
The current measure range affects the time required to obtain settled measurements. Lower current
ranges require additional time to reach a settled signal level. If the pulse timing parameters are too
short for one or more current measure ranges, some ranges will be unavailable.
As shown in the following table, available current measurement ranges for the PMU depend on the
selected voltage source range. The 10 mA measure range for the 10 V source range has better
accuracy than the 10 mA range for the 40 V source range.
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