SIMPLE PIECEWISE-LINEAR DIODE MODEL FOR TRANSIENT-BEHAVIOR

Transient behaviour of a pn-junction diode can be correctly predicted by a simple piecewise-linear model comprising one linear resistor and one linear capacitor under forward bias and only a linear capacitance under reverse bias. These are selected by a voltage-controlled switch which is the only nonlinear element. Starting from solid-state analysi s, an algorithm is developed for extracting values for model parameter s from measurements. Simulation and experimental results confirm the a ccuracy of the model, the great strength of which is that it allows an alytical results to be obtained for the complicated and chaotic nonlin ear phenomena in series-resonant converters and other practical electr onic circuits.