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Monolithic MOS switched-capacitor microsystems for nonlinear analog signal processing

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2 Author(s)
Cichocki, A. ; Lehrstuhl fur Allgemeine und Theor. Elektrotech., Erlangen-Nurnberg Univ., West Germany ; Unbehauen, R.

A novel nonlinear signal processor (converter) concept suitable for MOS switched-capacitor (SC) system applications is presented. The method is based on time-division and sampling principles. Standard stray-insensitive, offset-compensated MOS SC subcircuits are used as building blocks. A wide variety of nonlinear converters such as multipliers, dividers, squares, higher-power-function generators, logarithmic-, exponential-, and trigonometric-function converters, and many others with special algebraic operations can be easily synthesized. The circuits offer high accuracy and low cost. Experimental results for some important converters are presented

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Instrumentation and Measurement, IEEE Transactions on  (Volume:37 ,  Issue: 1 )