Abstract:In this paper, the susceptibility of a Kuijk bandgap voltage reference to electromagnetic interferences (EMIs) superimposed
to the power supply is investigated. A model of the bandgap circuit is derived from experimental tests consisting of scattering
parameters and susceptibility measurements on a test chip. The
model is able to correctly predict the susceptibility of the circuit by
means of SPICE transient simulations. The simulations identify the
fundamental stray components responsible for EMI coupling tha…
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