Rapid Prototyping of Third-Order Sigma-Delta A/D Converters

Robert Suszyński, Krzysztof Wawryn


Prototyping of third-order sigma-delta analog to digital converters (ƩΔADCs) has been presented in the paper. The method is based on implementation of field programmable analog arrays (FPAA) to configure and reconfigure proposed circuits. Three third-order ƩΔ ADC structures have been considered. The circuit characteristics have been measured and then the structure of the converters have been reconfigured to satisfy input specifications.

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