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Título : Interactive verification of switched-current ΣΔ modulators
Autor : Rosa, José M. de la ; Kaiser, A.; Pérez-Verdú, Belén
Palabras clave : Switched-Current Circuits
Modeling and Simulation
Sigma-Delta Modulators
Fecha de publicación : sep-1998
Editor: Institute of Electrical and Electronics Engineers
Citación : IEEE International Conference on Electronics, Circuits and Systems 2: 157-160 (1998)
Resumen: A simulation tool named SDSI, specifically suited for the simulation of switched-current (SI) sigma-delta data converters, has been developed in an interactive design environment. The tool exploits the sampled-data nature of the circuits and provides several levels of hierarchy for the models. High level behavioural models are suited for initial system-level simulations and specification of building blocks. Lower level models, which take into account non-linear effects and eventually full SPICE level transistor models, are suited for bottom-up verification of circuits after the design of the building-blocks. There are no restrictions on the interoperability of both types of models. Very fast simulation times are achieved thanks to the sampled-data simulation approach, making the tool appropriate for the extensive analysis of sigma-delta modulators. The tool has been used to check the performance of a SI bandpass sigma-delta modulator fabricated in a 0.8μm CMOS technology. Experimental results validate this approach to the verification of SI ΣΔ modulators.
Descripción : Comunicación presentada al "ICECS'98" celebrado en Lisboa del 7 al 10 de septiembre de 1998.
Versión del editor: http://dx.doi.org/10.1109/ICECS.1998.814854
URI : http://hdl.handle.net/10261/3769
DOI: 10.1109/ICECS.1998.814854
ISBN : 0-7803-5008-1
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