ATF-551M4 View Datasheet(PDF) - HP => Agilent Technologies
Part Name
Description
MFG CO.
ATF-551M4
HP => Agilent Technologies
'ATF-551M4' PDF : 24 Pages View PDF
and if R2 is replaced with a 27KΩ
0.4
resistor. This combination should
0.016
limit gate current to a safe level.
PCB Layout
A suggested PCB pad print for
the miniature, Minipak 1412
package used by the ATF-551M4
is shown in Figure 3.
1.1
0.043
0.4
0.016
0.5
0.020
0.3
0.012
0.5
0.020
0.3
0.012
Figure 3. PCB Pad Print for Minipak 1412.
Package (mm [inches ]).
ATF-551M4 Die Model
Advanced_Curtice2_Model
MESFETM1
NFET=yes
Rf=
PFET=no
Vto=0.3
Beta=0.444
Lambda=72e-3
Alpha=13
Tau=
Tnom=16.85
Idstc=
Gscap=2
Cgs=0.6193 pF
Cgd=0.1435 pF
Gdcap=2
Fc=0.65
Rgd=0.5 Ohm
Rd=2.025 Ohm
Ucrit=-0.72
Rg=1.7 Ohm
Vgexp=1.91
Gamds=1e-4
Vtotc=
Betatce=
Rgs=0.5 Ohm
Rs=0.675 Ohm
Ld=
Lg=0.094 nH
Ls=
Cds=0.100 pF
Rc=390 Ohm
Crf=0.1 F
Gsfwd=
Gsrev=
Gdfwd=
Gdrev=
R1=
R2=
Vbi=0.95
Vbr=
Vjr=
Is=
Ir=
Imax=
Xti=
Eg=
N=
Fnc=1 MHz
R=0.08
P=0.2
C=0.1
Taumdl=no
wVgfwd=
wBvgs=
wBvgd=
wBvds=
wldsmax=
wPmax=
AllParams=
This pad print provides allow-
ance for package placement by
automated assembly equipment
without adding excessive
parasitics that could impair the
high frequency performance of
the ATF-551M4. The layout is
shown with a footprint of the
ATF-551M4 superimposed on the
PCB pads for reference.
For Further Information
The information presented here is
an introduction to the use of the
ATF-551M4 enhancement mode
PHEMT. More detailed application
circuit information is available
from Agilent Technologies. Consult
the web page or your local Agilent
Technologies sales representative.
ATF-551M4 Minipak Model
INSIDE Package
GATE
Port
G
Num=1
SOURCE
Port
S1
Num=2
Var VAR
Egn VAR1
K=5
Z2=85
Z1=30
C
C1
C=0.28 pF
TLINP
TL1
Z=Z2/2 Ohm
L=22 mil
K=K
A=0.000
F=1 GHz
TanD=0.001
TLINP
TL2
Z=Z2/2 Ohm
L=20 0 mil
K=K
A=0.000
F=1 GHz
TanD=0.001
TLINP
TL3
Z=Z2 Ohm
L=23.6 mil
K=K
A=0.000
F=1 GHz
TanD=0.001
L
L1
L=0.234 nH
R=0.001
GaAsFET
FET1
Mode1=MESFETM1
Mode=Nonlinear
L
L6
L=0.147 nH
R=0.001
C
C2
C=0.046 pF
TLINP
TL9
Z=Z2 Ohm
L=11 mil
L
L4
L=0.281 nH
R=0.001
K=K
A=0.000
F=1 GHz
TanD=0.001
MSub
L
L7
L=0.234 nH
R=0.001
MSUB
MSub2
H=25.0 mil
Er=9.6
Mur=1
Cond=1.0E+50
Hu=3.9e+034 mil
T=0.15 mil
TanD=0
Rough=0 mil
TLINP
TL7
Z=Z2/2 Ohm
L=5.2 mil
K=K
A=0.000
F=1 GHz
TanD=0.001
TLINP
TL5
Z=Z2 Ohm
L=27.5 mil
K=K
A=0.000
F=1 GHz
TanD=0.001
SOURCE
Port
S2
Num=4
DRAIN
Port
D
Num=3
22
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