Operating the Power System 4
Keysight N6700 User’s Guide 83
Synchronizing Digitizer Measurements
Use the measurement trigger system to synchronize the acquisition of
measurements with a Bus, Transient, or an external trigger. Then use
FETCh commands to return voltage or current information from the
acquired data. Briefly, to make a triggered measurement:
Select the measurement function to trigger.
Adjust the measurement to capture pre-trigger data.
Select the trigger source.
Initiate the trigger system and generate a trigger.
Fetch the triggered measurements.
Select the Measurement Function to Trigger
The following commands select a measurement function.
Not Available
To select the voltage measurement function:
SENS:FUNC:VOLT ON,(@1)
To select the current measurement function:
Some power modules have two measurement converters, which allow
simultaneous voltage and current measurements (Refer to Chapter 1,
“Model Differences”). In that case, BOTH voltage and current
measurements can be enabled. If a power module has only one
converter, the parameter that it measures (either voltage or current)
must be specified.
The measurement system lets you capture data before, after, or at the
trigger signal. As shown in the following figure, you can move the block
of data being read into the acquisition buffer with reference to the
trigger. This allows pre- or post-trigger data sampling.
TRIGGER
524,288 DATA POINTS
524,288 DATA POINTS
524,288 DATA POINTS
OFFSET = -524,287
OFFSET = -262,144
OFFSET = 0
524,288 DATA POINTS
OFFSET = 0 to 2E9
TIME
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