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Non-ideal quantization noise shaping in switched-current bandpass ΣΔ modulators

 

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Opened Access Non-ideal quantization noise shaping in switched-current bandpass ΣΔ modulators
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Author: Rosa Utrera, José Manuel de la
Pérez Verdú, Belén
Medeiro Hidalgo, Fernando
Río Fernández, Rocío del
Department: Universidad de Sevilla. Departamento de Electrónica y Electromagnetismo
Date: 1999
Published in: Proceedings of the 1999 IEEE International Symposium on Circuits and Systems (1999), p 476-479
ISBN/ISSN: 0-7803-5471-0
Document type: Presentation
Abstract: This paper presents a systematic analysis of the major switched-current (SI) errors and their influence on the quantization noise shaping of SI BandPass SD Modulators (BPSDMs). Closed form equations are provided for the degradation of the signal-to-noise ratio and for the change of the notch frequency position in order to facilitate the design of this class of modulators. All these results have been validated by non-ideal time-domain behavioral simulations.
Cite: Rosa Utrera, J.M.d.l., Pérez Verdú, B., Medeiro Hidalgo, F. y Río Fernández, R.d. (1999). Non-ideal quantization noise shaping in switched-current bandpass ΣΔ modulators. En Proceedings of the 1999 IEEE International Symposium on Circuits and Systems (476-479), Orlando, USA: Institute of Electrical and Electronics Engineers.
Size: 388.9Kb
Format: PDF

URI: https://hdl.handle.net/11441/89098

DOI: 10.1109/ISCAS.1999.780777

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