6: Clarius Model 4200A-SCS Parameter Analyzer
6-74 4200A-901-01 Rev. C / February 2017
The current range options are:
• Auto: The instrument automatically optimizes the measurement range as the test progresses.
This option provides the best resolution when the measurements span several decades.
However, time delays can occur with range changes that can limit the measurement speed.
• Limited Auto: A compromise between Auto and a fixed range option. It allows you to specify the
minimum range that the PMU uses when it automatically optimizes the current measurements.
This option reduces test time when you do not need maximum resolution at minimum currents.
The available ranges are limited by the chosen pulse timing parameters. For additional
information, see PMU minimum settling times versus current measure range.
• Specific ranges: You can select a fixed measurement range.
The available ranges are limited by the pulse timing parameters. For additional information, see
PMU
minimum settling times versus current measure range (on page 5-41).
Low Range
Available when the Measure Range is set to Limited Auto. This sets the minimum range that the
instrument uses.
Current Sample Waveform
Makes current measurements on the waveform. Available when the Test Mode is set to Waveform
Capture.
Voltage Spot Mean High
Makes voltage measurements on the amplitude. Available when the Test Mode is set to Pulse IV.
The next 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 6-97
).
Figure 251: Spot mean measurements
Voltage Spot Mean Low
Makes voltage measurements on the base level. Available when the Test Mode is set to Pulse IV.
The next 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 6-97
).
Figure 252: Spot mean measurements
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