Modelling, simulation and design sigma-delta converters in silicon microsystems

The purpose of this paper is the new approach of modeling and designs the sigma-delta converters in silicon microsystems. Microsystem described in this paper bases on two major parts. First part consists of various sensors and the second part consists of analogue to digital converters as well as other standard electronics circuits. The analogue to digital conversion is performed using sigma-delta modulators. Modulators were designed in CAD CADENCE environment and simulated using SPECTRES, and ELDO simulators. In this paper the simulation results were presented, and discussion of the advantages of sigma-delta conversion in this kind of measurement was underlined.