TESTING DATA CONVERTERS WHEN SAMPLING IS INCOHERENT

A. Moschitta, P. Carbone

Abstract

Coherent sampling is a well known scheme for guaranteeing uniform distribution of sinewave phases. While such condition can be profitably exploited for testing Analog to Digital Converters (ADC) or Digital to Analog Converters (DAC), inaccuracies and non-idealities in both the signal generator and the sampling hardware make such condition rarely achievable. In this paper, the effect of deviations from the coherent sampling condition is analyzed, along with some effects on the related testing procedures.

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IMEKO TC

TC4 - Measurement of Electrical Quantities

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