Radiation effects in the space telecommunications environment

  • Fleetwood D
  • Winokur P
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Trapped protons and electrons in the Earth's radiation belts and
cosmic rays present significant challenges for electronics that must
operate reliably in the natural space environment. Single event effects
(SEE) can lead to sudden device or system failure, and total dose
effects ran reduce the lifetime of a space-based telecommunications
system. One of the greatest sources of uncertainty in developing
radiation requirements for a space system is accounting for the small
but finite probability that the system will be exposed to a massive
solar particle event. Once specifications are decided, standard
laboratory tests are available to predict the total dose response of MOS
and bipolar components in space, but SEE testing of components can be
more challenging. Prospects are discussed for device modeling and for
the use of standard commercial electronics in space

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  • Daniel M. Fleetwood

  • Peter S. Winokur

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