原创 三极管的Pspice模型参数

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 depletion 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

特征函数

功能说明

Bandwidth (1, db_level)

计算波形1从最大值下降db_level db的波形宽度。

BPBW (1, db_level)

   Same as Bandwidth (1, db_level)

CenterFreq (1, db_level)

计算波形1从最大值下降db_level db的两点的中心频率。

Falltime (1)

计算波形1的下降时间。

Gain Margin (1,2)

计算波形1的相位为-180^。时，波形2的分贝值。 

GenFall (1)

类似于Falltime (1)，但它的下降时间相对的y轴是起点于终点，而不是最大值与最小值。

GenRise (1)

与GenFall (1)类似，只是它是上升时间。

HPBW (1, db_level)

查找第一次比最大值低db_level db的x坐标。（上升沿）

LPBW (1, db_level)

与HPBW类似，只是用于下降沿。

Maxr (1, begin-x, end-x)

查找区间的最大值。

Overshoot (1)

计算最大值与终点之间y轴坐标差与终点值的百分比。

Peak (1, n_occur)

查找第n-occur个峰值点的Y值

Period (1)

计算波形1的周期。

Phase Margin (1,2)

查找波形1在0分贝时波形2的相位。

Pulsewidth (1)

计算波形1的脉冲宽度。

Risetime (1)

计算波形1的上升时间。

Swingr (1, begin-x, end-x)

计算在指定范围内，波形1的最大值与最小值之差。

TPmW2 (1, Period)

XatNthy (1, Y-value, n-occur)

查找波形1上第n-occur个Y-value值时的X坐标值。

XatNthYn(1,Y_value,n_occur)

与XatNthy类似，但它查找的Y值必须在下降沿上。

XatNthYp(1,Y_value,n_occur)

与XatNthy类似，但它查找的Y值必须在上升沿上。

XatNthYpct(1,Y_PCT,n_occur)

查找第n-occur个Y轴值为Y轴范围的Y_pct%时的X轴值。

YatX(1,X_value)

查找X-value值处的Y值。

YatXpct(1,X_pct)

查找X轴值为X轴范围的X_pct%时的Y轴值。