NONLINEAR MODEL
NE42484A
(see Page 2)
FET NONLINEAR MODEL PARAMETERS
(1)
Parameters
VTO
VTOSC
ALPHA
BETA
GAMMA
GAMMADC
Q
DELTA
VBI
IS
N
RIS
RID
TAU
CDS
RDB
CBS
CGSO
(3)
CGDO
(4)
DELTA1
DELTA2
FC
VBR
(2)
UNITS
Parameter
capacitance
inductance
resistance
Units
picofarads
nanohenries
ohms
Q1
-0.75
0
7
0.21
0.09
0.08
2.1
1.2
1
1e-14
1
0
0
7e-12
0.15e-12
900
1.1e-10
0.25e-12
0.04e-12
0.3
0
0.5
Infinity
Parameters
RG
RD
RS
RGMET
KF
AF
TNOM
XTI
EG
VTOTC
BETATCE
FFE
Q1
2.5
2.5
4.1
0
0
1
27
3
1.43
0
0
1
MODEL RANGE
Frequency: 0.1 to 16 GHz
Bias:
V
DS
= 1 V to 3.5 V, I
D
= 10 mA to 40 mA
Date:
11/15/96
(1) Series IV Libra TOM Model
The parameter in Libra corresponds to the parameter in PSpice:
(2) GAMMADC
GAMMA
(3) CGSO
CGS
(4) CGDO
CGD
California Eastern Laboratories