Wavelet-Based Transistor Parameter Estimation

In this paper a wavelet-based parameter estimation method has been proposed for the common emitter transistor amplifier circuit and compared with the least squares method. As the maximal precision of simulation requires the modeling of electronic circuits in terms of device parameters and circuit components, the Volterra model of the common emitter amplifier circuit derived using the Ebers–Moll model and perturbation technique has been used for parameter estimation. The advantage of the proposed method is a smaller data storage requirement and accurate parameter estimation as compared to the least squares method because the wavelet method is adapted to time-frequency resolution.