Agilent 4155C/4156C VXIplug&play Driver User’s Guide, Edition 4 7-29
Sample Application Programs Using VEE
Customizing Sample Programs
To Change the Vth Measurement Setup
You can change the 4155/4156 source setup and the E5250A switching setup by
editing the Device 1 (or 2) Vth Measurement object. See Figure 7-16.
1. Open the sample1.vee or sample2.vee program.
2. Double click Device 1 (or 2) Vth Measurement in the Agilent VEE program
explorer. The Device 1 (or 2) Vth Measurement object is displayed.
3. Change the Device ID for MOSFET if needed, using a string format.
4. Change the setup for all terminals for MOSFET.
Pin E5250A output channel number; 1 to 24 are available.
SMU Ch 4155/4156 SMU number; 1 to 4 are available.
Voltage SMU output voltage (in volts).
Start,Stop Voltage SMU output voltage for Vg sweep (in volts).
5. Change the target Id for extracting Vth. See “Definition of Vth” on page 5.
6. Change the number of measurement points in a sweep; 2 to 256 are available.
Figure 7-16 Vth Measurement Panel Display
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