Symbolic Analysis in Analog Integrated Circuit Design (The Springer International Series in Engineering and Computer Science, 413)

Floberg, Henrik

ISBN 10: 0792399692 / ISBN 13: 9780792399698

Editore: Springer, 1997

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Riassunto:

This text provides an introduction to computer-aided circuit analysis and presents systematic methods for solving linear (i.e. small-signal) and nonlinear circuit problems, which are illustrated by a number of examples. Computer-aided symbolic circuit analysis is useful in analogue integrated circuit design. Analytic expressions for the network transfer functions contain information that is not provided by a numerical simulation result. However, these expressions are generally extremely long and difficult to interpret; therefore, it is necessary to be able to approximate them guided by the magnitude of the individual circuit parameters. Engineering has been described as "the art of making approximations". The inclusion of symbolic analysis in analogue circuit design reduces the implied risk of ambiguity during the approximation process. A systematic method based on the nullor concept is used to obtain the basic feedback transistor amplifier configurations. Approximate expressions for the locations of poles and zeros for linear networks are obtained using the extended pole-splitting technique. An unusual feature of the book is the consistent use of the transadmittance element with finite (linear or nonlinear) or infinite (i.e. nullor) gain as the only requisite circuit element. The describing function method is used to obtain approximate symbolic expressions for the harmonic distortion generated by a soft or hard transconductance nonlinearity embedded in an arbitrary linear network. The design and implementation of a program (i.e. CASCA) for symbolic analysis of time-continuous networks is described. The algorithms can also be used to solve other linear problems, for example, the analysis of time-discrete switched-capacitor networks.

Contenuti: 1. Introduction. 2. Network Theory. 3. Symbolic Analysis. 4. Extended Pole-Splitting. 5. Compacted Nodal Analysis. 6. Nullor Synthesis. 7. Transistor Models. 8. Symbolic Distortion Analysis. 9. Switched-Capacitor Networks. 10. CASCA. 11. Conclusions. A: Determinants. B: Cubic Polynomial Equation. C: Describing Function Method. D: CASCA Examples. Bibliography. Index.

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Titolo: Symbolic Analysis in Analog Integrated ...
Casa editrice: Springer
Data di pubblicazione: 1997
Legatura: Rilegato
Condizione: good