Section 4: Multi-frequency capacitance-voltage unit
Model 4200A-SCS Parameter Analyzer Reference Manual
4-28
4200A-901-01 Rev. C / February 2017
When this test is run, this sequence occurs:
1. The DC source goes to the presoak voltage for the hold time. Typically, the presoak voltage is at
the same potential as the first point in the sweep to allow the device to charge up to equilibrium
before measurements begin.
2. The DC bias goes to the first sweep point voltage.
3. After the built-in system delay and sweep delay, the 4210-CVU makes a measurement. The AC
test signal is applied just before the start of the measurement. AC drive is turned off after the
measurement is completed.
4. Steps 2 and 3 are repeated for remaining DC bias voltages. The sweep delay repeats at the
beginning of each step.
Figure 108: CVU Voltage List Sweep output
