What is the difference between Linear, Square Wave, and Differential Pulse sweep types?
The preceding graphical display shows the difference between the ASV and CSV methods, but it is also in essence a linear sweep. The appearance of the sweep is that of a staircase, but if the steps are made infinitesimally small, the appearance is that of a line, thus the term Linear Sweep meaning that the potential is changed in a linear fashion over time. The following graphic displays the parameters of a Differential Pulse Sweep. In a differential pulse sweep, the step size, pulse amplitude or height, pulse width, and rest width are all variable factors that can be used to increase sensitivity of a particular application. The VAS software provided with the instrument has a mathematics function that will calculate recommended values, or they can be modified independently. The differential pulse potential wave form consists of small pulses (of constant amplitude) superimposed upon a staircase wave form. In the example waveform shown, the current would be sampled at two points during th
