Observation of single event upsets in analog microcircuits

Abstract
Selected analog devices were tested for heavy ion induced single event upset (SEU). The results of these tests are presented, likely upset mechanisms are discussed, and standards for the characterization of analog upsets are suggested. The OP-15 operational amplifier, which was found to be susceptible to SEU lit the laboratory, has also experienced upset in space. Possible strategies for mitigating the occurrence of analog SEUs in space are discussed.

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