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Metrology and Measurement Systems

The Journal of Committee on Metrology and Scientific Instrumentation of Polish Academy of Sciences

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Volume 18, Issue 2

Issues

DAC Testing Using Modulated Signals

Pavel Fexa
  • Faculty of Electrical Engineering Department of Measurement, CTU Prague, Technicka 2, 16627, Prague 6, Czech Republic
  • Other articles by this author:
  • De Gruyter OnlineGoogle Scholar
/ Josef Vedral
  • Faculty of Electrical Engineering Department of Measurement, CTU Prague, Technicka 2, 16627, Prague 6, Czech Republic
  • Other articles by this author:
  • De Gruyter OnlineGoogle Scholar
/ Jakub Svatoš
  • Faculty of Electrical Engineering Department of Measurement, CTU Prague, Technicka 2, 16627, Prague 6, Czech Republic
  • Other articles by this author:
  • De Gruyter OnlineGoogle Scholar
Published Online: 2011-06-09 | DOI: https://doi.org/10.2478/v10178-011-0010-0

DAC Testing Using Modulated Signals

This document analyses qualities of methods used for testing dynamical parameters of Digital-to-Analog Converters (DAC) using a multi-frequency signal. As the source for these signals, Amplitude Modulated (AM) and Frequency Modulated (FM) signals are used. These signals are often used in radio engineering. Results of the tests, like Effective Number of Bits (ENOB), Signal-to-Noise and Distortion (SINAD), are evaluated in the frequency domain and they are compared with standard results of Sine Wave FFT test methods. The aim of this research is firstly to test whether it is possible to test a DAC using modulated signals, secondly to reduce testing time, while estimating band performance of DAC.

Keywords: Digital-to-analog converter; ENOB; Signal-to-noise and distortion - SINAD; FFT analysis; Crest Factor (CF)

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About the article


Published Online: 2011-06-09

Published in Print: 2011-01-01


Citation Information: Metrology and Measurement Systems, Volume 18, Issue 2, Pages 283–294, ISSN (Print) 0860-8229, DOI: https://doi.org/10.2478/v10178-011-0010-0.

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