A pure nodal-analysis method suitable for analog circuits using nullors



Document title: A pure nodal-analysis method suitable for analog circuits using nullors
Journal: Journal of applied research and technology
Database: PERIÓDICA
System number: 000224014
ISSN: 1665-6423
Authors: 1
Institutions: 1Instituto Tecnológico de Puebla, Departamento de Electrónica, Puebla. México
Year:
Season: Oct
Volumen: 1
Number: 3
Pages: 235-247
Country: México
Language: Inglés
Document type: Artículo
Approach: Aplicado
English abstract A novel technique suitable for computer-aided analysis of analog integrated circuits (ICs) is introduced. This technique uses the features of both nodal-analysis (NA) and symbolic analysis, at nullor level. First, the nullor is used to model the ideal behavior of several analog devices, namely: transistors, opamps, OTAs, and current conveyors. From this modeling approach, it is shown how to transform circuits working in voltage-mode to current-mode and vice-versa. Second, it is demonstrated that using nullors, all non-NA-compatible elements can be transformed into NA-compatible ones, this results in a computationally-improved pure-NA method. Third, the computation of fully-symbolic expressions using MAPLEV™, is described. It is demonstrated that a symbolic expression gives more insight in the behavior and performance of the circuit. Finally, several examples demonstrate the suitability and appropriateness of the proposed method to be used in education
Disciplines: Ingeniería
Keyword: Ingeniería electrónica,
Circuitos analógicos,
Modelamiento,
Análisis simbólico,
Analisis nodal
Keyword: Engineering,
Electronic engineering,
Analog circuits,
Nullors,
Modeling,
Symbolic analysis,
Nodal analysis
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