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A MAXIMUM LIKELIHOOD ESTIMATOR FOR ADC AND DAC LINEARITY TESTING

Giuseppe Cavone, Attilio Di Nisio, Nicola Giaquinto and Mario Savino
  • Abstract:
    The paper illustrates a method for simultaneous ADC and DAC linearity testing in a loop-back scheme. The main features of the method are: (i) it is statistically nearly optimal, being based on a maximum likelihood estimator; (ii) it does not require prior knowledge neither of the ADC nonlinearity, nor of the DAC nonlinearity – both are simultaneously measured relying only on a constant-variance noise. The performances of the method are studied both mathematically and via computer simulations. The method, because of its optimality and universality, appears to be also a good candidate for inclusion in technical standards relevant to ADC and DAC testing.
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  • DOI:
    _unreg_tc4-2008.140

Event details:

  • IMEKO TC:
    TC4
  • Event name:
    IWADC 2008
  • Title:

    13th IMEKO TC4 Workshop on ADC Modelling and Testing IWADC (together with XVIth IMEKO TC4 International Symposium on Electrical Measurements and Instrumentation) (IWADC)

  • Place:
    Florence, ITALY
  • Time:
    22 September 2008 - 24 September 2008