Agilent 4155B/4156B User’s Guide Vol.2, Edition 5 2-19
Measurement Mode
Sampling Measurement Mode
For example, if Thold=10 ms, Tinterval=5 ms, and @TIME values are as shown
below, estimated measurement time is 15 ms to 20 ms, and there are 3 triggers
between @INDEX=1 and @INDEX=2.
• @TIME (for @INDEX=1) = 10 ms = 10 + 5 ´ [(1 - 1) + 0] ms
• @TIME (for @INDEX=2) = 30 ms = 10 + 5 ´ [(2 - 1) + 3] ms
To Use Multiple Measurement Units
If you define multiple measurement parameters in the NAME column of the
DISPLAY: DISPLAY SETUP screen, sampling measurement is executed by using
multiple measurement units. Differences between this measurement and the
measurement using only one unit are shown below:
• Measurement Sequence
Measurement units start measurement in the order below:
Parameters for GRAPH: X ® Y1 ® Y2
Parameters for LIST: Order of No. assigned for the parameters
• Value of @TIME
@TIME stores the time the first measurement unit starts measurement.
@TIME does not store the time another unit starts measurement.
• Measurement Time
Measurement time is sum of the measurement time by all units. To execute
sampling measurement with the specified sampling interval, the sampling
interval must be enough longer than the measurement time.
Hold Time
Sampling Interval
Meas.time
TIME
@TIME(at @INDEX=1) @TIME(at @INDEX=2)
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