The design, analysis, and system simulation of an adaptive processor based on a current-mode mixed analog-digital circuit is presented. The processor consists of a mixed four-quadrant multiplier and a current conveyor that performs the nonlinearity. Schematics, circuit parameters, and a high-level model are shown. The results achieved when applying this processor model to conditioning several sensor types are discussed.
This paper explains the design and simulation of a conditioning circuit based on a currentmode mixed analogue-digital adaptive processor. The proposed processor model consists of two main blocks: a D/A four quadrant multiplier and a current conveyor that performs the non-linear output function. Applied to sensors conditioning, the processing system customizes its free parameters, stored in digital registers, adapting the response. System simulation results and achieved performance are presented.
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