Acquire Spectroscopy Data
vacuum tunneling regime (this is part of the curve shown above in Figure 6.8, “Example I/V Spectroscopy
Measurement on a Pair of Back to Back FETs”).
Figure 6.12. I/V and dI/dV Spectroscopy Plots
In the following figure, the idea behind measuring the slope of the I/V curve is illustrated. Here we show
that a small change in Bias voltage (the peak to peak amplitude of the CH1 Oscillator signal indicated by
the back to back arrows) is being added to the each of the three Bias Voltages. For the lowest Bias
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