Agilent 4155B/4156B User’s Guide Vol.2, Edition 5 3-11
Measurement Functions
Knob Sweep Function
Knob Sweep Function
The knob sweep function allows you to easily perform real-time sweep
measurements by rotating the rotary knob on the front panel. This function is useful
when you want to quickly make a rough measurement of a DUT characteristic, or
when you want to easily define a measurement setup for normal sweep.
To start the knob sweep measurement, press the green key and then the Single
front-panel key. The 4155B/4156B starts knob sweep measurement, and repeats
measurements continuously until this function is stopped. You can change the
measurement setups even while the measurements are being performed.
When knob sweep measurements are started, the VAR1 start value and VAR1 sweep
range are 0 V or 0 A. You change the sweep range from 0 to the stop value by
rotating the knob.
To stop the knob sweep measurements, press Stop front-panel key, or a PAGE
CONTROL group key. To restart the measurement, press the following key(s):
If you pressed the Stop key: Single key
If you pressed a PAGE CONTROL key: green key and Single key
Available units and functions
Table 3-2 shows available units and functions for knob sweep measurement.
Table 3-2 Available Units and Functions for Knob Sweep Measurement
· means "This is available for knob sweep measurement".
n.a. means "This is not available for knob sweep measurement".
- means "This is not available for this unit".
Unit
Output Function Output Mode
Pulse
Meas. Mode
VAR1 VAR1' VAR2
CONST
STAND
BY
VI
COMM
ON
V DVOLT I
SMU · n.a. ······ n.a. ·- ·
VSU · n.a. ····----- -
VMU -------- -·· -
GNDU ---·---· --- -
PGU ---···-- ·-- -
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