NJG1720PB1
nTYPICAL
CHARACTERISTICS 4(LNA2)
NF,Gain vs. freq
(V
3.0
Gain
LNA
Pout, Gain vs. Pin
o
=V
INV
=2.8V,V
CTL
=2.4V,Ta=25 C )
20
( V
15
10
LNA
=V
INV
=2.8V,V
CTL
=2.4V,fRF=840MHz,Ta=25 C )
25
20
15
10
5
0
-5
P-1dBin=-17.3dBm
-10
Gain (dB)
o
Gain
2.5
15
5
Pout (dBm)
Gain (dB)
NF (dB)
0
-5
-10
-15
P-1dBout=-0.3dBm
2.0
NF(Include LOSS)
10
Pout
1.5
NF(De-embedded LOSS)
5
1dB Gain
Compression Line
-25
-20
1.0
700
750
800
850
freq (MHz)
900
950
0
1000
-20
-30
-15
Pin (dBm)
-10
-5
0
Pout,IM3 vs. Pin
(V
20
OIP3=+11.7dBm
0
LNA
IIP3,OIP3 vs. freq
o
=V
INV
=2.8V,V
CTL
=2.4V,fRF=840+840.1MHz,Ta=25 C )
(V
LNA
=V
INV
=2.8V,V
CTL
=2.4V,dfRF=100kHz,PRF=-36dBm,Ta=25 C )
14
o
2
0
Pout
OIP3
12
Pout,IM3 (dBm)
-20
-2
10
-40
-4
8
-60
-80
IM3
IIP3=-6.1dBm
-6
IIP3
-8
800
6
-100
-40
-35
-30
-25
-20
Pin (dBm)
-15
-10
-5
0
820
840
860
freq (MHz)
880
4
900
Gain, NF vs. V
(V
19
INV
I
LNA
LNA
vs. V
CTL
LNA
=2.8V, V
CTL
=2.4V, f=840MHz)
1.8
3.5
(V
INV
=2.8V, V
=2.4V, RF OFF)
18
Gain
Gain (dB)
1.7
3
1.6
(mA)
NF (dB)
17
LNA
2.5
16
NF(De-embedded PCB,Connector LOSS)
15
1.5
I
2
1.4
14
2
2.5
3
3.5
V
(V)
LNA
1.3
4
4.5
5
1.5
2
2.5
3
V
3.5
LNA
4
(V)
4.5
5
-9-
OIP3 (dBm)
IIP3 (dBm)
NJRC [ NEW JAPAN RADIO ]
