Transient SDM Performance

  • Erwin Janssen
  • Arthur van Roermund
Part of the Analog Circuits and Signal Processing book series (ACSP)


Virtually all traditional signal quality analysis procedures operate on data in the frequency domain, and therefore require steady-state signals. However, real-life signals are, typically, not steady-state. In order to be able to measure the conversion quality of a sigma-delta modulator under non-steady-state excitation, in this chapter a time domain SINAD measurement method is introduced. The operation of this time domain method is first verified with steady-state signal measurements, and finally applied to non-steady-state signals. The simulations on various non-steady-state signals indicate that no significant conversion errors are generated, and that the traditional signal quality analysis procedures are adequate.


Input Signal Quantization Noise Dynamic Error Time Domain Method Time Domain Signal 
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Copyright information

© Springer Science+Business Media B.V. 2011

Authors and Affiliations

  1. 1.Mixed Signal Circuits & SystemsNXP Semiconductors, Central R&DEindhovenThe Netherlands
  2. 2.Electrical Engineering, Mixed-signal Microelectronics GroupTechnical University EindhovenEindhovenThe Netherlands

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