Capter3
Function
Setting and Basic Operation
3-114
Curve Tracer CS-5000 Series Instruction Manual
3.11.7.3
CONSTANT VOLT / CURR submenu
Pressing F3 function key allows CONSTANT VOLT / CURR submenu at the second from the left on the
diagram below to appear.
Key / knob
Setting items
Function description
F1
CONSTANT SOURCE Press F1 key to select VOLTAGE or CURRENT for the parameter
to be constant.
F2
FUNCTION
HORIZONNTAL
VERTICAL
TARGET VOLTAGE
/
TARGET CURRENT
It measures the device characteristics in advance and sets the
numeric value of TARGET of the parameter selected by F1 key. In
addition, it sets the permissible range of the TARGET value in the
unit of %. Press F2 key in sequence to select the setting target.
○
TARGET value: Set it by rotating FUNCTION knob or
HORIZONTAL (Vce) / VERTICAL (Ic).
- Setting range: ±10 times of HORIZONTAL / VERTICAL range
- Setting resolution: 1/50 of HORIZONTAL / VERTICAL range
○
Permissible range: Set it by rotating FUNCTION knob.
- Setting range: 0.0 to 20.0%
- Setting resolution: 0.1%
F3
COLLECTOR SUPPLY
SETUP
It measures the device characteristics in advance and sets the
range of the collector supply from % value of VARIABLE of the
curve tracer itself.
Refer to COLLECTOR SUPPLY SETUP submenu on the next
page.
F4
OBSERVATION
SETUP
It sets the numeric value of the upper/ lower limit values of the
parameter (voltage/ current) to protect the device. Even if the range
set by F3 above is too wide, measurement can be stopped at the
upper / lower values.
Refer to OBSERVATION SETUP on 2 pages later.
F5
-
(Not used)
F6
START/STOP
It starts application of constant voltage or current with the setting
above.
After start, it changes to STOP key in the menu. CLEAR key on the
front panel can be used to stop the operation.
F1
F2
F3
F4
F5
F6