NE681 SERIES
NE68135 NONLINEAR MODEL
SCHEMATIC
Q1
CCB_PKG
0.11pF
LC_PKG
0.15nH
RC_PKG
0.1 ohms
0.07pF
CCB
LC
COLLECTOR
0.96 nH
RB_PKG
BASE
LB_PKG
0.15nH
LB
CCE
0.01pF
0.45nH
0.1 ohms
CCE_PKG
0.2pF
LE_PKG
0.38nH
CBE_PKG
0.05pF
RE_PKG
0.1 ohms
CBEX_PKG
0.1pF
CCEX_PKG
0.2pF
EMITTER
(1)
UNITS
BJT NONLINEAR MODEL PARAMETERS
Parameter
time
Units
seconds
farads
henries
ohms
Parameters
IS
Q1
2.7e-16
185.0
1.02
15.0
0.055
1.77e-11
2.1
Parameters
MJC
XCJC
CJS
VJS
MJS
FC
Q1
0.56
capacitance
inductance
resistance
voltage
BF
0
NF
0
0.75
0
VAF
IKF
volts
current
amps
ISE
0.5
14e-12
3
NE
TF
BR
1
XTF
VTF
ITF
MODEL RANGE
Frequency: 0.05 to 5.0 GHz
NR
1
25
Bias:
Date:
VCE = 8.0 V, IC = 7 mA to 30 mA
11/1/96
VAR
IKR
ISC
NC
Infinity
Infinity
0
0.1
0
PTF
TR
0.3e-9
1.11
0
2
EG
RE
0.6
XTB
XTI
RB
12
3
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
0.8e-12
0.27
(1) Gummel-Poon Model
CEL [ CALIFORNIA EASTERN LABS ]
