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Star-Hspice Quick Reference Guide

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BJT Element<br />

Name (Alias) Unit Default Definition<br />

IS amp 1.0e-16 Transport saturation<br />

current<br />

ISS amp 0.0 Reverse saturation<br />

current bulk-tocollector<br />

or bulk-tobase<br />

LEVEL - 1.0 Model selector<br />

NF - 1.0 Forward current<br />

emission coefficient<br />

NR - 1.0 Reverse current<br />

emission coefficient<br />

NS - 1.0 Substrate current<br />

emission coefficient<br />

SUBS - - Substrate connection<br />

selector<br />

UPDATE - 0 Selects alternate base<br />

charge equation<br />

See “Using BJT Basic DC Model Parameters” in the<br />

<strong>Star</strong>-<strong>Hspice</strong> Manual.<br />

7-4 <strong>Star</strong>-<strong>Hspice</strong> <strong>Quick</strong> <strong>Reference</strong> <strong>Guide</strong>

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