User`s guide

Agilent 4155C/4156C User’s Guide Vol.2, Edition 6 1-7
Sweep Measurements
Measurement Functions
Subordinate Sweep Measurement
For subordinate sweep measurement, you set up a secondary sweep source (VAR2)
in addition to a primary sweep source (VAR1). After primary sweep is completed,
the output of secondary sweep source is incremented or decremented by the
specified step value, then the primary sweep source is swept again.
Figure 1-2 Subordinate Sweep Measurement
To set up the subordinate sweep measurement, select the following on CHANNELS:
CHANNEL DEFINITION screen:
• VAR1 function for desired primary sweep source (SMU or VSU).
• VAR2 function for desired secondary sweep source (SMU or VSU).
Subordinate sweep measurement has the following restriction:
• For the secondary sweep source, only single sweep mode and linear staircase
mode are available.