User`s guide

Agilent 4155C/4156C User’s Guide Vol.2, Edition 6 2-11
Knob Sweep Measurements
Executing Measurements
To Define Measurement Units
Press Chan front-panel key to define the measurement units. CHANNELS:
CHANNEL DEFINITION screen is displayed.
1. MEASUREMENT MODE:
Select SWEEP secondary softkey.
2. VNAME and INAME:
Enter a unique name for voltage or current variable. These names must be 6 or
less alphanumeric characters. First character must be alphabet character. For
example, enter Vce for collector-emitter voltage. If channel does neither output
nor measurement, you can omit VNAME and INAME.
3. MODE:
Select one of the following softkeys to set the output mode:
• V : Voltage output (for SMU, VSU, and PGU).
V : Grounded mode voltage measurement (for VMU).
• I : Current output (for SMU).
• VPULSE : Pulsed voltage output (for PGU).
• IPULSE : Not available.
• COMMON : Circuit common (for SMU and GNDU).
• DVOLT : Differential mode voltage measurement (for VMU).
4. FCTN:
Select one of the following softkeys to set the output function:
• CONST : Constant output function (for SMU, VSU, and PGU).
• VAR1 : Primary sweep output function (for SMU and VSU).
• VAR2 : Secondary sweep output function (for SMU and VSU).
• VAR1' : Not available.
To disable a unit
Select DELETE ROW softkey. The settings for the unit are deleted.