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A new approach for automated synthesis of analog and mixed-signal systems is presented. The heterogeneous genetic optimization strategy starts from a functional description and evolves a simple design solution in a strict top-down design process to a complex one that fulfills multiple objectives. Transformations of both architecture and parameters are(More)
Circuit-level simulation of /spl Delta//spl Sigma/ modulators is a time-consuming task, taking one or more days for meaningful results. While there are a great variety of techniques and tools that speed up the simulations for discrete-time /spl Delta//spl Sigma/ modulators, there is no rigorous methodology implemented in a tool to efficiently simulate and(More)
— Circuit–level simulation of modulators is a time– consuming task (taking one or more days for meaningful results). While there are a great variety of techniques and tools that speed up the simulations for discrete–time (DT) modulators, there is no rigorous methodology implemented in a tool to efficiently simulate and design the continuous– time (CT)(More)
— Increasing complexity of modern mixed-signal chips requires systematic analysis and design methodologies. High-level formal models are a key ingredient for the high-level synthesis of systems-on-chip. This paper proposes a formal description of continuous-time ∆Σ modulators. The presented model makes it straightforward to analyze the converter at(More)