Tektronix TCP300 Series - Figure 21: Linear Current Vs. Time Ramp

Application Notes
4. Measure the cur
rent ramp. The inductance is effectively defined by the slope
of the current ramp shown here.
Figure 21: Linear current vs. time ramp
5. Calculate the inductance using the following formula:
where:
L is the inductance in henries,
E is the voltage of the pulse generator,
dt is the change in time, and
di is the change in current.
36 TCPA300/400 Amplifiers and TCP300/400 Series Current Probes User Manual