Module 2
Basic Measurement
2-28
Higher voltages are necessary to observe breakdown conditions, such as BVceo. In the case of
BVceo the base must be open (no SMU) or the SMU must be set as a current source with I=0.
One SMU must sweep in a positive direction while the other sweeps in a negative direction. The
result is a floating measurement with double the differential voltage. A resistor is used in the next
few slides to demonstrate a 200 V sweep.
Note: Using two HPSMUs, it is possible to sweep a total of 400 Volts.
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