模型参数 | 含 义 | 单 位 | 默认值 | 备 注 |
AF | flicker noise exponent | | 1.0 | 噪声指数 |
BF | ideal maximum forward beta | | 100.0 | 最大正向放大倍数 |
BR | ideal maximum reverse beta | | 1.0 | 最大反向放大倍数 |
CJC | base-collector zero-bias p-n capacitance | farad | 0.0 | 集电结电容 |
CJE | base-emitter zero-bias p-n capacitance | farad | 0.0 | 发射结电容 |
CJS (CCS) | Substrate
zero-bias p-n capacitance | farad | 0.0 | |
EG | bandgap voltage (barrier height) | eV | 1.11 | |
FC | forward-bias deple tion capacitor coefficient | | 0.5 | |
GAMMA | epitaxial region doping factor | | 1E-11 | |
IKF (IK) | corner for forward-beta high-current roll-off | amp | infinite | |
IKR | corner for reverse-beta high-current roll-off | amp | infinite | |
IRB | current at which Rb falls halfway to | amp | infinite | |
IS | transport saturation current | amp | 1E-16 | 饱和电流 |
ISC (C4) | base-collector leakage saturation current | amp | 0.0 | 集电结漏电流 |
ISE (C2) | base-emitter leakage saturation current | amp | 0.0 | 发射结漏电流 |
ISS | substrate p-n saturation current | amp | 0.0 | |
ITF | transit time dependency on Ic | amp | 0.0 | |
KF | flicker noise coefficient | | 0.0 | 噪声系数 |
MJC (MC) | base-collector p-n grading factor | | 0.33 | |
MJE (ME) | base-emitter p-n grading factor | | 0.33 | |
MJS (MS) | substrate p-n grading factor | | 0.0 | |
NC | base-collector leakage emission coefficient | | 2.0 | 集电结漏电系数 |
NE | base-emitter leakage emission coefficient | | 1.5 | 发射结漏电系数 |
NF | forward current emission coefficient | | 1.0 | 正向电流系数 |
NK | high-current roll-off coefficient | | 0.5 | |
NR | reverse current emission coefficient | | 1.0 | |
NS | substrate p-n emission coefficient | | 1.0 | |
PTF | excess phase @ 1/(2p•TF)Hz | degree | 0.0 | |
QCO | epitaxial region charge factor | coulomb | 0.0 | |
RB | zero-bias (maximum) base resistance | ohm | 0.0 | 最大基极电阻 |
RBM | minimum base resistance | ohm | RB | 最小基极电阻 |
RC | collector ohmic resistance | ohm | 0.0 | |
RCO | epitaxial region resistance | ohm | 0.0 | |
RE | emitter ohmic resistance | ohm | 0.0 | |
TF | ideal forward transit time | sec | 0.0 | 正向传递时间 |
TR | ideal reverse transit time | sec | 0.0 | 反向传递时间 |
TRB1 | RB temperature coefficient (linear) | 0C -1 | 0.0 | RB的温度系数 |
TRB2 | RB temperature coefficient (quadratic) | 0C -2 | 0.0 | |
TRC1 | RC temperature coefficient (linear) | 0C -1 | 0.0 | |
TRC2 | RC temperature coefficient (quadratic) | 0C -2 | 0.0 | |
TRE1 | RE temperature coefficient (linear) | 0C -1 | 0.0 | |
TRE2 | RE temperature coefficient (quadratic) | 0C -2 | 0.0 | |
TRM1 | RBM temperature coefficient (linear) | 0C -1 | 0.0 | |
TRM2 | RBM temperature coefficient (quadratic) | 0C -2 | 0.0 | |
T_ABS | absolute temperature | 0C | | |
T_MEASURED | measured temperature | 0C | | |
T_REL_GLOBAL | relative to current temperature | 0C | | |
T_REL_LOCAL | relative to AKO model temperature | 0C | | |
VAF (VA) | forward Early voltage | volt | infinite | |
VAR (VB) | reverse Early voltage | volt | infinite | |
VJC (PC) | base-collector built-in potential | volt | 0.75 | |
VJE (PE) | base-emitter built-in potential | volt | 0.75 | |
VJS (PS) | substrate p-n built-in potential | volt | 0.75 | |
VO | carrier mobility knee voltage | volt | 10.0 | |
VTF | transit time dependency on Vbc | volt | infinite | |
XCJC | fraction of CJC connected internally to Rb | | 1.0 | |
XCJC2 | fraction of CJC connected internally to Rb | | 1.0 | |
XTB | forward and reverse beta temperature coefficient | | 0.0 | 正向和反向放大倍数的温度影响系数 |
XTF | transit time bias dependence coefficient | | 0.0 | 传递时间系数 |
XTI (PT) | IS temperature effect exponent | | 3.0 | IS的温度影响系数 |