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ΣΔ-BASED REMOVAL OF UNWANTED SPECTRAL COMPONENTS FOR SINEWAVE SYNTHESIS

A. Sabatini, A. Moschitta, P. Carbone
  • Abstract:
    This paper addresses the generation of spectrally pure sinewaves by combining the feedback structure of a ΣΔ loop with digital cancellation of unwanted spectral components in the output signal. In particular, the non-linearities of the in-loop Digital to Analog Converter (DAC) are compensated by applying a digital pre-distortion to the DAC input, and the feedback architecture is used to enhance the performance of the all digital estimation and cancellation algorithm.
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  • DOI:
    _unreg_tc4-2004.041

Event details:

  • IMEKO TC:
    TC4
  • Event name:
    TC4 Symposium 2004
  • Title:
    XIII IMEKO TC4 International Symposium on Measurements for Research and Industrial Applications (together with IXth International Workshop on ADC Modeling and Testing, IWADC)
  • Place:
    Athens, GREECE
  • Time:
    29 September 2004 - 01 October 2004