Not intending to make sparks. Actually interested in a large high voltage electric field.
@gbaddeley its not anything I measured. Well, it was something I measured from a tesla coil, but specifically it is an arbitrary wave from an equation. The source is a signal generator > tesla coil > and this is the output. I'm just trying to reproduce it and don't know how.
@Berni thanks that's what I thought. Sounds good to hear from others because it was just my basic guess LOL