Effecis of Electron Irradiation on Operational Amplifiers

Abstract
Second generation operational amplifiers, which are widely used in space applications, show considerable sensitivity to electron irradiation at fluences corresponding to unshielded long term operation in the earth synchronous orbit. Surface and bulk radiation effects are described for different device types. It is shown that the surface effects are very process dependent. Guidelines are given for the selection of reasonably radiation resistant components.

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