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Star-Hspice Quick Reference Guide

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BJT Element<br />

Resistance and Epilayer Parameters - Level 504<br />

Parameters Unit Default Description<br />

SCRCV Ohm 1250.0 Space charge<br />

resistance of the<br />

epilayer<br />

IHC A 4.0e-3 Critical current for<br />

velocity saturation in<br />

the epilayer<br />

AXI - 0.3 Smoothness parameter<br />

for the onset of quasisaturation<br />

Base-Emitter Capacitances - Level 504<br />

Parameters Unit Default Description<br />

CJE F 7.3e-14 *Zero bias emitterbase<br />

depletion<br />

capacitance<br />

VDE V 0.95 Emitter-base diffusion<br />

voltage<br />

PE - 0.4 Emitter-base grading<br />

coefficient<br />

7-22 <strong>Star</strong>-<strong>Hspice</strong> <strong>Quick</strong> <strong>Reference</strong> <strong>Guide</strong>

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