NE681 SERIES
NE68118 NONLINEAR MODEL
SCHEMATIC
Q1
CCBPKG
CCB
LC
LCX
Collector
LBX
LB
Base
CCE
LC
CCEPKG
LE
CBEPKG
LEX
Emitter
(1)
UNITS
BJT NONLINEAR MODEL PARAMETERS
Parameter
time
Units
seconds
farads
henries
ohms
Parameters
Q1
Parameters
Q1
capacitance
inductance
resistance
voltage
IS
BF
2.7e-16
185
MJC
XCJC
CJS
VJS
MJS
FC
0.56
0
NF
1.02
15
0
volts
VAF
IKF
ISE
NE
0.75
0
current
amps
0.055
1.77e-11
2.1
0.5
TF
14e-12
BR
1
XTF
VTF
ITF
3
25
0.1
0
ADDITIONAL PARAMETERS
NR
1
VAR
IKR
ISC
NC
Infinity
Infinity
0
Parameters
CCB
68118
0.07e-12
0.01e-12
1.16e-9
1.54e-9
0.83e-9
0.09e-12
0.51e-12
0.25e-12
0.18e-9
0.8e-9
PTF
TR
0.3e-9
1.11
0
CCE
LB
2
EG
LC
RE
0.6
XTB
XTI
LE
RB
12
3
CCBPKG
CCEPKG
CBEPKG
LBX
RBM
IRB
RC
3.7
KF
0
1.2e-5
8
AF
1
CJE
VJE
MJE
CJC
VJC
1.2e-12
0.77
0.5
LCX
LEX
0.09e-9
MODEL RANGE
0.8e-12
0.27
Frequency: 0.05 to 5.0 GHz
Bias:
Date:
VCE = 2.5 V to 8.0 V, IC = 3 mA to 10 mA
5/29/96
(1) Gummel-Poon Model
Note:
1. This nonlinear model utilized the latest data available. See our Design Parameter Library at www.cel.com for this data.
CEL [ CALIFORNIA EASTERN LABS ]
