A unified technique for mathematical modelling of the input output characteristics of nonlinearelectronic circuits is presented. This technique can be easily implemented using simplehand computations without recourse to standard curve-fitting techniques, which invariablyrequires extensive computing facilities and well-developed software. The mathematicalmodel, basically a sine-series function, can easily yield closed-form series expressions for theamplitudes of the output components resulting from a multisinusoidal input signal to nonlinearelectronic circuits. The technique is very helpful in analysing nonlinear electronic circuitsunder different scenarios of input signals.
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