Publication
IEDM 1992
Conference paper

Measurements and simulation of avalanche breakdown in advanced Si bipolar transistors

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Abstract

A complete analytical model for impact ionization effects in bipolar transistors, which is able to predict the behaviour of advanced devices up to breakdown, is presented. A simple expression of the carrier mean energy suitable for circuit simulation is used to calculate the device multiplication coefficient and enables the influence of non-equilibrium transport on impact ionization to be accounted for. The role played by the reverse base current in determining the snap-back of the common base output characteristics is investigated both experimentally and theoretically.

Date

Publication

IEDM 1992