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Evaluation of a mixed-signal design diversity system under radiation effects | IEEE Conference Publication | IEEE Xplore

Evaluation of a mixed-signal design diversity system under radiation effects


Abstract:

In this work a data acquisition system, based on a design diversity redundant scheme, is tested under total ionizing dose effects. The data acquisition system is composed...Show More

Abstract:

In this work a data acquisition system, based on a design diversity redundant scheme, is tested under total ionizing dose effects. The data acquisition system is composed by three ADCs and two voters, implementing different levels of diversity (architectural and temporal). This system is implemented on a 130nm commercial mixed-signal programmable SoC (PSoC 5), from Cypress Semiconductor. The system was tested under 60Co gamma radiation with a dose rate of 1 krad(Si)/h reaching a total dose of 242 krad(Si). One of the system copies presented a significant degradation on its linearity during the irradiation, while the others kept the functionality with less severe degradation, evidencing the advantage of using diversity to improve resilience in mixed-signal redundant systems.
Date of Conference: 13-15 March 2017
Date Added to IEEE Xplore: 24 April 2017
ISBN Information:
Conference Location: Bogota, Colombia

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