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Título: | Systematic design of high-resolution high-frequency cascade continuous-time sigma-delta modulators |
Autor: | Tortosa, Ramón CSIC; Castro-López, R. CSIC ORCID ; Rosa, José M. de la CSIC ORCID; Roca, Elisenda CSIC ORCID ; Rodríguez-Vázquez, Ángel CSIC ORCID; Fernández, Francisco V. CSIC ORCID | Fecha de publicación: | 2008 | Editor: | Electronics and Telecommunication Research Institute (Korea) | Citación: | ETRI Journal 30(4): 535-545 (2008) | Resumen: | This paper introduces a systematic top-down and bottom-up design methodology to assist the designer in the implementation of continuous-time (CT) cascade sigma-delta (ΣΔ) modulators. The salient features of this methodology are (a) flexible behavioral modeling for optimum accuracy-efficiency trade-offs at different stages of the top-down synthesis process, (b) direct synthesis in the continuous-time domain for minimum circuit complexity and sensitivity, (c) mixed knowledge-based and optimization-based architectural exploration and specification transmission for enhanced circuit performance, and (d) use of Pareto-optimal fronts of building blocks to reduce re-design iterations. The applicability of this methodology will be illustrated via the design of a 12-bit 20 MHz CT ΣΔ modulator in a 1.2 V 130 nm CMOS technology. | URI: | http://hdl.handle.net/10261/86399 | DOI: | 10.4218/etrij.08.0107.0225 | Identificadores: | doi: 10.4218/etrij.08.0107.0225 issn: 1225-6463 |
Aparece en las colecciones: | (IMSE-CNM) Artículos |
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Systematic design.pdf | 862,84 kB | Adobe PDF | Visualizar/Abrir |
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