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Publication Detail
Stability analysis of a sigma delta modulator
  • Publication Type:
    Conference
  • Authors:
    Zhang J, Brennan PV, Jiang D, Vinogradova E, Smith PD
  • Publisher:
    IEEE
  • Publication date:
    2003
  • Place of publication:
    Piscataway, US
  • Pagination:
    961, 964
  • Published proceedings:
    ISCAS 2003: Proceedings of the 2003 IEEE International Symposium on Circuits and Systems, Sunday, May 25-Wednesday, May 28, 2003, Imperial Queen's Park Hotel, Bangkok, Thailand
  • Volume:
    1
  • ISBN-10:
    0780377613
  • Status:
    Published
  • Language:
    English
  • Keywords:
    May, modulator, sigma delta, SYSTEM, SYSTEMS
Abstract
This paper illustrates how an adaptive iterative method may be used to verify large signal input stability of a third-order sigma delta modulator across a range of DC inputs, once the initial design parameters the system have been determined using small signal nonlinear stability analysis. This approach is potentially useful to design and optimise stored sigma delta sequences to the modulus controller for a fractional-N synthesiser.
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