Characterizing SETs in Oscillator Circuits

Authored by: Stephen J. Horst

Extreme Environment Electronics

Print publication date:  November  2012
Online publication date:  November  2012

Print ISBN: 9781439874301
eBook ISBN: 9781439874318
Adobe ISBN:

10.1201/b13001-68

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Abstract

While space-borne heavy ions are capable of producing a range of single-event effects in all integrated circuits, special consideration is required for the class of circuits generally known as oscillators. For the purpose of this chapter, an oscillator refers to a circuit that is both autonomous and time-varying in the steady state [1]. Autonomous circuits have no forced input and generate their output entirely based on the dynamics of the internal circuitry. Time-varying circuits simply produce an output that changes as a function of the time at which it is observed. Oscillators rely on an underlying nonlinear characteristic to bound this time-varying waveform into a steady-state output. The combination of nonlinear circuit dynamics and time-varying behavior in a single circuit presents interesting challenges when attempting to characterize the single-event response of oscillators.

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