Departamento de Física
URI permanente desta comunidadehttps://repositorio.fei.edu.br/handle/FEI/785
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2 resultados
Resultados da Pesquisa
- First successful SEE measurements with heavy ions in Brazil(2014-07-18) MEDINA, N. H.; Marcilei Aparecida Guazzelli; ADDED, N.; AGUIAR. V. A . P.; Renato Giacomini; MACHIONE, E. L. A.; DE MELO, M. A. A.; SANTOS, R. B. B.; SEIXAS, L. E.© 2014 IEEE.In this work, the first successful SEE measurements with heavy ions in Brazil is reported. The heavy ions were produced at the São Paulo 8 UD Pelletron accelerator. 12C, 16O, 19F, 28Si, 35Cl, 63Cu and 107Ag heavy ion beams were used to test a commercial off-the-shelf transistor. During irradiation, the response of a pMOS transistor was continuously monitored to measure the SEE events. In order to achieve a uniform low intensity beam the heavy ions were Rutherford scattered at 15 by a 275 μg/cm2 gold foil.
- Heavy ions induced single event upsets testing of the 28 nm Xilinx Zynq-7000 all programmable SoC(2015-07-13) TAMBARA, L. A.; KASTENSMIDT, F. L.; MEDINA, N. H.; ADDED, N.; AGUIAR, V. A. P.; AGUIRRE, F.; MACCHIONE, E. L. A.; Marcilei Aparecida Guazzelli© 2015 IEEE.The recent advance of silicon technology has allowed the integration of complex systems in a single chip. Nowadays, Field Programmable Gate Array (FPGA) devices are composed not only of the programmable fabric but also by hard-core processors, dedicated processing block interfaces to various peripherals, on-chip bus structures and analog blocks. Among the latest released devices of this type, this work focuses in the 28 nm Xilinx Zynq-7000 All Programmable SoC (APSoC). While not immune to the radiation environment in space, the Zynq-7000 seems to be very attractive for the aerospace sector due to its high computational power capability and low-power consumption. In this work, results from heavy ions testing for Zynq-7000 are presented. The experiments were performed in a Brazilian facility located at the University of São Paulo, Brazil.