NONLINEAR MODEL
SCHEMATIC
C
CBPKG
0.05 pF
NE851M13
C
CB
0.01 pF
L
BPKG
0.05 nH
L
CPKG
0.05 nH
L
B
0.25 nH
Collector
Q
1
C
CE
0.25 pF
L
E
0.45 nH
Base
C
CEPKG
0.05 pF
L
EPKG
0.05 nH
Emitter
BJT NONLINEAR MODEL PARAMETERS
(1)
Parameters
IS
BF
NF
VAF
IKF
ISE
NE
BR
NR
VAR
IKR
ISC
NC
RE
RB
RBM
IRB
RC
CJE
VJE
MJE
CJC
VJC
Q1
137e-18
166
0.9871
20.4
50
80.4e-15
2.4
28.7
0.9889
2.7
0.021
532e-18
1.28
0.45
4
1
0
1.7
2.4e-12
0.87
0.34
0.65e-12
0.52
Parameters
MJC
XCJC
CJS
VJS
MJS
FC
TF
XTF
VTF
ITF
PTF
TR
EG
XTB
XTI
KF
AF
Q1
0.14
0.5
0
0.75
0
0.55
15e-12
0.1
2
0.03
0
1.0e-9
1.11
0
3
170e-15
1.65
ADDITIONAL PARAMETERS
Parameters
C
CB
C
CE
L
B
L
E
C
CBPKG
C
CEPKG
L
BX
L
CX
L
EX
NE851M13
0.01 pF
0.25 pF
0.25 nH
0.45 nH
0.05 pF
0.05 pF
0.05 nH
0.05 nH
0.05 nH
MODEL TEST CONDITIONS
Frequency: 0.1 to 5.0 GHz
Bias:
V
CE
= 1 V to 4 V, I
C
= 1 mA to 40 mA
Date:
09/2001
(1) Gummel-Poon Model
California Eastern Laboratories
EXCLUSIVE NORTH AMERICAN AGENT FOR
NEC
RF, MICROWAVE & OPTOELECTRONIC SEMICONDUCTORS
CALIFORNIA EASTERN LABORATORIES
鈥?Headquarters 鈥?4590 Patrick Henry Drive 鈥?Santa Clara, CA 95054-1817 鈥?(408) 988-3500 鈥?Telex 34-6393 鈥?FAX (408) 988-0279
Internet: http://WWW.CEL.COM
DATA SUBJECT TO CHANGE WITHOUT NOTICE
11/29/2001
1
