O. Guerra, J. D. Rodríguez-García, E. Roca, F. Fernández, Á. Rodríguez-Vázquez
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An error-controlled methodology for approximate hierarchical symbolic analysis
Limitations of existing approaches for symbolic analysis of large analog circuits are discussed. To address their solution, a new methodology for hierarchical symbolic analysis is introduced. The combination of a hierarchical modeling technique and approximation strategies, comprising circuit reduction, graph-based symbolic solution of circuit equations and matrix-based error control, provides optimum results in terms of speech and quality of results.