Synthesis of multiport resistors with piecewise-linear characteristics: a mixed-signal architecture: Research Articles

Authors:
Mauro Parodi;Marco Storace;Pedro Julián
Affiliations:
Biophysical and Electronic Engineering Department, University of Genoa, Via Opera Pia 11a, I-16145 Genova, Italy;Biophysical and Electronic Engineering Department, University of Genoa, Via Opera Pia 11a, I-16145 Genova, Italy;Universidad Nacional del Sur, Av. Alem 1353, Bahía Blanca, Argentina and Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET), 1033 Cap. Federal, Argentina
Venue:
International Journal of Circuit Theory and Applications
Year:
2005

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Abstract

Non-linear multiport resistors are the main ingredients in the synthesis of non-linear circuits. Recently, a particular PWL representation has been proposed as a generic design platform (IEEE Trans. Circuits Syst.-I 2002; 49:1138–1149). In this paper, we present a mixed-signal circuit architecture, based on standard modules, that allows the electronic integration of non-linear multiport resistors using the mentioned PWL structure. The proposed architecture is fully programmable so that the unit can implement any user-defined non-linearity. Moreover, it is modular: an increment in the number of input variables can be accommodated through the addition of an equal number of input modules. Copyright © 2005 John Wiley & Sons, Ltd.