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Study on the Sigma Delta ADC Modulators Based on Signal to Noise Ratio (SNR) and Effective Number of Bits (ENOB) Parameters

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Authors Study on the Sigma Delta ADC Modulators Based on Signal to Noise Ratio (SNR) and Effective Number of Bits (ENOB) Parameters

  Sina Mahdavi - Department of Electrical Engineering, Technical and Vocational University of Tabriz, Tabriz, Iran
  Arvin Mohammady - Department of Electrical Engineering, Technical and Vocational University of Tabriz, Tabriz, Iran
Faeze Noruzpur - Department of Microelectronics Engineering, Urmia Graduate Institute, Urmia, Iran
Shima Tayyeb Ghasemi - Department of Microelectronics Engineering, Urmia Graduate Institute, Urmia, Iran
Mohammad Madadpour Inallou -

Abstract:

In this paper, the Signal to Noise Ratio (SNR) and Effective Number of Bits (ENOB) parameters of the different types of the Sigma Delta ADC Modulators are studied and discussed, comprehensively. The CIFF structure of first, second and third orders with considering the different OSR are presented. Meanwhile, the MASH 1-1, MASH 2-1, and MASH 1-1-1 structures are analyzed and simulated, carefully, too. It is noteworthy that, as simulation results prove, the SNR and ENOB of each modulator is dependent on the value of the Order, OSR, and Quantizer bit parameters, extremely. For this case, in the design of the sigma-delta modulator, the designers must be considered and selected the suitable value for the mentioned parameters, carefully. Also, among of the presented modulators in this paper, the first order CIFB structure has minimum SNR and MASH 1-1-1 structure with good optimization has the maximum SNR, respectively. Finally, simulation results of the different orders and kinds of the DSM are compared in the comparison tables, too. Simulation results of the proposed paper are simulated using the MATLAB software.

Keywords:

ADC, Delta Sigma, DSM, MASH, Modulator, CIFF

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Mahdavi, Sina; Arvin Mohammady; Faeze Noruzpur; Shima Tayyeb Ghasemi & Mohammad Madadpour Inallou, 2020, Study on the Sigma Delta ADC Modulators Based on Signal to Noise Ratio (SNR) and Effective Number of Bits (ENOB) Parameters, International Journal of Mechatronics, Electrical and Computer Technology 10 (36), https://www.civilica.com/Paper-JR_IJMEC-JR_IJMEC-10-36_003.htmlInside the text, wherever referred to or an achievement of this article is mentioned, after mentioning the article, inside the parental, the following specifications are written.
First Time: (Mahdavi, Sina; Arvin Mohammady; Faeze Noruzpur; Shima Tayyeb Ghasemi & Mohammad Madadpour Inallou, 2020)
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Type: state university
Paper No.: 17093
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