NE681 SERIES
NE68133 NONLINEAR MODEL
SCHEMATIC
Q1
C
CBPKG
C
CB
L
CX
Collector
LBX
L
B
Base
C
CE
C
CEPKG
L
E
C
BEPKG
L
EX
Emitter
(1)
UNITS
BJT NONLINEAR MODEL PARAMETERS
Parameter
time
Units
seconds
farads
henries
ohms
Parameters
IS
Q1
2.7e-16
185
Parameters
MJC
XCJC
CJS
VJS
MJS
FC
Q1
0.56
capacitance
inductance
resistance
voltage
BF
0
NF
1.02
15
0
0.75
0
VAF
IKF
volts
0.055
1.77e-11
2.1
current
amps
ISE
0.5
14e-12
3
NE
TF
BR
1
XTF
VTF
ITF
ADDITIONAL PARAMETERS
NR
1
25
Parameters
CCB
68133
VAR
IKR
ISC
NC
Infinity
Infinity
0
0.1
0
0.07e-12
0.01e-12
0.9e-9
PTF
TR
CCE
0.3e-9
1.11
0
LB
2
EG
LE
1.2e-9
RE
0.6
XTB
XTI
CCBPKG
CCEPKG
CBEPKG
LBX
0.2e-12
0.2e-12
0.01e-12
0.3e-9
RB
12
3
RBM
IRB
RC
3.7
KF
0
1.2e-5
8
AF
1
LCX
0.6e-9
CJE
VJE
MJE
CJC
VJC
1.2e-12
0.77
0.5
LEX
0.3e-9
MODEL RANGE
Frequency: 0.1 to 8.0 GHz
0.8e-12
0.27
Bias:
Date:
VCE = 1 V to 8 V, IC = 1 mA to 30 mA
7/97
(1) Gummel-Poon Model
Note:
This nonlinear model utilized the latest data available. See our Design Parameter Library at www.cel.com for this data.
CEL [ CALIFORNIA EASTERN LABS ]
