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A Direct Synthesis Method of Cascaded Continuous-Time Sigma-Delta Modulators

AuthorsTortosa, Ramón ; Rosa, José M. de la ; Rodríguez-Vázquez, Ángel ; Fernández, Francisco V.
Sigma-Delta Modulators
Issue DateMay-2005
PublisherInstitute of Electrical and Electronics Engineers
CitationTortosa, R., De la Rosa, J. M., Rodriguez-Vázquez, A., Fernández, F. V., "A Direct Synthesis Method of Cascaded Continuous-Time Sigma-Delta Modulators". Proceeding of the 2005 IEEE International Symposium on Circuits and Systems (ISCAS), pp. 5585-5588, Kobe, Japan, May 2005.
AbstractThis paper presents an efficient method to synthesize cascaded sigma-delta modulators implemented with continuous-time circuits. It is based on the direct synthesis of the whole cascaded architecture in the continuous-time domain instead of using a discrete-to-continuous time transformation as has been done in previous approaches. In addition to place the zeroes of the loop filter in an optimum way, the proposed methodology leads to more efficient architectures in terms of circuitry complexity, power consumption and robustness with respect to circuit non-idealities.
Appears in Collections:(IMSE-CNM) Comunicaciones congresos
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