NJG1101F
WIDE BAND AGC AMPLIFIER GaAs MMIC
nGENERAL
DESCRIPTION
NJG1101F is a GaAs MMIC designed mainly for wireless
phone handsets at frequency range of 850MHz from 2.5GHz.
NJG1101F is a variable gain amplifier with 40 dB dynamic
range and exhibits low current consumption.
MTP6 package is adopted.
nFEATURES
lSingle
and low voltage operation
lLow
current consumption
lSmall
signal gain
lWide
gain control range
lPout
at 1dB gain compression point
lPackage
nPIN
CONFIGURATION
nPACKAGE
OUTLINE
NJG1101F
V
DD
=+3.0V typ.
I
DD
=10mA typ.
18dB typ. @f=1.5GHz
(f=0.85~2.5GHz @3dB down)
40dB typ. @V
CONT
=+0.1~+2.0V
+1.5dBm typ. @f=1.5GHz
MTP6 (Mount Size: 2.8 x 2.9 x 1.2mm)
F TYPE
(Top View)
1
6
2
5
Pin connection
1.RF
in
2.GND
3.V
CONT
4.RF
out
& V
DD
5.GND
6.V
DD
3
Note:
4
is a package orientation mark.
-1-
NJG1101F
nTYPICAL
CHARACTERISTICS 1
(Wide Band: Measured on TEST CIRCUIT 1)
S21,S11,S22,S12 vs. FREQUENCY
(V =3V, V
20
S21
10
S21,S11,S22 (dB)
-20
DD
cont
=2V)
-10
20
GAIN vs. FREQUENCY
(V =3V)
DD
V
10
0
S12 (dB)
cont
=
2.0V
1.2V
1.0V
0.5V
0.3V
0.2V
0.1V
0.0V
0
S12
-10
S11
-20
S22
-30
-40
Gain (dB)
-10
-20
-30
-40
-50
-30
0.5
-60
1
1.5
2
Frequency (GHz)
2.5
3
-50
0.5
1
1.5
2
Frequency (GHz)
2.5
3
GAIN, NF vs. FREQUENCY
(V =3V, V
DD
cont
GAIN, NF vs. FREQUENCY
=2V)
7
20
Gain
6
15
6
(V =4.5V, V
DD
cont
=3V)
7
20
Gain
15
Gain (dB)
Gain (dB)
NF (dB)
10
5
10
5
5
4
5
4
NF
0
0.5
3
1
1.5
2
2.5
3
Frequency (GHz)
0
0.5
1
1.5
2
NF
3
2.5
3
Frequency (GHz)
INPUT VSWR vs. FREQUENCY
(V =3V)
7
DD
OUTPUT VSWR vs. FREQUENCY
(V =3V)
3.5
DD
6
3
V
V
cont
cont
Input VSWR
=2.0V
Output VSWR
5
1.0V
0.1V
3
0.1V
1.0V
2.0V
=2.0V
1.0V
2.5
0.1V
4
2
0.1V
1.0V
2.0V
2
1.5
1
0.5
1
1.5
2
Freqency (GHz)
2.5
3
1
0.5
1
1.5
2
Freqency (GHz)
2.5
3
NF (dB)
-5-
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