PSpice modelling of the Pulsed Electro Acoustic device: A new approach to account attenuation, dispersion and reflection phenomena

The Pulsed Electro Acoustic (PEA) method is very common to study the transport of space charges inside dielectric. In most cases, the calibration of the transfer matrix does not take into account some phenomena as reflections, attenuation and dispersion of the pressure wave going through the sample. Analytical models of the PEA can help to bring this lack of information to the matrix transfer. In this study, we first introduce an electrical PSpice model, based on analytical ones, to consider the acoustic phenomena mentioned. Second, we present a new signal processing employing this PSpice model to build a PEA transfer matrix, which is used to deconvoluate a PEA signal.