Accuracy of an automatic second derivative plotter

Author / Creator

Medicus, G. K., author

Available as

Online

Summary

The influences of the finite signal amplitude, delta V, the finite current sensing resistor, R sub J, the signal-producing resistor, R sub S, the noise, and the system hysteresis on the second harm...

The influences of the finite signal amplitude, delta V, the finite current sensing resistor, R sub J, the signal-producing resistor, R sub S, the noise, and the system hysteresis on the second harmonic curves of an automatic second derivative plotter are determined experimentally for a simulated probe (Si-diode) and for a real Langmuir probe. It is found that, in general, undistorted second derivative curves are obtainable without any of the three quantities having to be excessively low. (Author).

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