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Star-Hspice Quick Reference Guide

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BJT Element<br />

Parameters Unit Default Description<br />

VI V 0.040 Ionization voltage base<br />

dope<br />

NA cm^-3 3.0E17 Maximum base dope<br />

concentration<br />

ER - 2.E-3 Temperature<br />

coefficient of VLF and<br />

VLR<br />

AB - 1.35 Temperature<br />

coefficient resistivity<br />

of the base<br />

AEPI - 2.15 Temperature<br />

coefficient resistivity<br />

of the epilayer<br />

AEX - 1.0 Temperature<br />

coefficient resistivity<br />

of the extrinsic base<br />

AC - 0.4 Temperature<br />

coefficient resistivity<br />

of the buried layer<br />

KF - 2.E-16 Flicker noise<br />

coefficient ideal base<br />

current<br />

7-16 <strong>Star</strong>-<strong>Hspice</strong> <strong>Quick</strong> <strong>Reference</strong> <strong>Guide</strong>

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