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Nyquist-criterion based design of a CT Sigma Delta-ADC with a reduced number of comparators

Jeroen De Maeyer (UGent) , Pieter Rombouts (UGent) and Ludo Weyten (UGent)
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Abstract
In this paper we present the design of a continuous time Sigma Delta-modulator in a 0.35 mu m technology. While using a 6-bit internal quantizer a total of only 15 comparators were implemented. The inherent loop delay is accounted for in the design by using a design strategy based on the Nyquist stability criterion and the vector gain margin. Measurement results show a Peak SNR of 82 dB and a dynamic range of 85 dB for a bandwidth of 1.5 MHz.
Keywords
RECEIVERS, BANDWIDTH

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Citation

Please use this url to cite or link to this publication:

Chicago
De Maeyer, Jeroen, Pieter Rombouts, and Ludo Weyten. 2006. “Nyquist-criterion Based Design of a CT Sigma Delta-ADC with a Reduced Number of Comparators.” In 2006 13TH IEEE INTERNATIONAL CONFERENCE ON ELECTRONICS, CIRCUITS AND SYSTEMS (ICECS 2006), VOLS 1-3, 411–414. New York, NY, USA: IEEE.
APA
De Maeyer, Jeroen, Rombouts, P., & Weyten, L. (2006). Nyquist-criterion based design of a CT Sigma Delta-ADC with a reduced number of comparators. 2006 13TH IEEE INTERNATIONAL CONFERENCE ON ELECTRONICS, CIRCUITS AND SYSTEMS (ICECS 2006), VOLS 1-3 (pp. 411–414). Presented at the 13th IEEE International Conference on Electronics, Circuits and Systems, New York, NY, USA: IEEE.
Vancouver
1.
De Maeyer J, Rombouts P, Weyten L. Nyquist-criterion based design of a CT Sigma Delta-ADC with a reduced number of comparators. 2006 13TH IEEE INTERNATIONAL CONFERENCE ON ELECTRONICS, CIRCUITS AND SYSTEMS (ICECS 2006), VOLS 1-3. New York, NY, USA: IEEE; 2006. p. 411–4.
MLA
De Maeyer, Jeroen, Pieter Rombouts, and Ludo Weyten. “Nyquist-criterion Based Design of a CT Sigma Delta-ADC with a Reduced Number of Comparators.” 2006 13TH IEEE INTERNATIONAL CONFERENCE ON ELECTRONICS, CIRCUITS AND SYSTEMS (ICECS 2006), VOLS 1-3. New York, NY, USA: IEEE, 2006. 411–414. Print.
@inproceedings{411683,
  abstract     = {In this paper we present the design of a continuous time Sigma Delta-modulator in a 0.35 mu m technology. While using a 6-bit internal quantizer a total of only 15 comparators were implemented. The inherent loop delay is accounted for in the design by using a design strategy based on the Nyquist stability criterion and the vector gain margin. Measurement results show a Peak SNR of 82 dB and a dynamic range of 85 dB for a bandwidth of 1.5 MHz.},
  author       = {De Maeyer, Jeroen and Rombouts, Pieter and Weyten, Ludo},
  booktitle    = {2006 13TH IEEE INTERNATIONAL CONFERENCE ON ELECTRONICS, CIRCUITS AND SYSTEMS (ICECS 2006), VOLS 1-3},
  isbn         = {978-1-4244-0394-3},
  language     = {eng},
  location     = {Nice, France},
  pages        = {411--414},
  publisher    = {IEEE},
  title        = {Nyquist-criterion based design of a CT Sigma Delta-ADC with a reduced number of comparators},
  year         = {2006},
}

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