Abstract
This article reports the dynamic testing of an A/D converter (ADC) when the input test signal is a triangular wave. Computation of code transition levels is done using the histogram method. Further normalised differential nonlinearity and normalised integral nonlinearity are determined based on the normalised code transition levels. Errors in both the type of nonlinearity and their variance are computed. This work is carried out by simulating an ideal 5 and 8 bit ADC and introducing arbitrary nonlinearity errors in ADC transfer characteristics. The simulated triangular wave is digitised by the test ADC and a large number of samples is collected. Simulation results are reported for the 5 and 8 bit ADC which shows the effectiveness of the proposed method.
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