NJG1105F
1.8/1.9/2.1GHz BAND LOW NOISE AMPLIFIER GaAs MMIC
nGENERAL
DESCRIPTION
NJG1105F is a Low Noise Amplifier GaAs MMIC
designed for 1.8/1.9/2.1GHz digital cellular phone handsets
such as DCS1800, PCS and W-CDMA.
This amplifier provides low noise figure, high gain and
high IP3 operated by single low positive power supply.
nFEATURES
lLow
voltage operation
lLow
current consumption
lHigh
small signal gain
lLow
Noise Figure
lHigh
Input IP3
lPackage
nPIN
CONFIGURATION
nPACKAGE
OUTLINE
NJG1105F
+2.8V typ.
7mA typ.
19dB typ. @f=1860MHz
18dB typ. @f=1960MHz
15dB typ. @f=2140MHz
1.7dB typ. @f=1860/1960/2140MHz
-3dBm typ. @f=1860.0+1860.1MHz
-3dBm typ. @f=1960.0+1960.1MHz
+1dBm typ. @f=2140.0+2140.1MHz
MTP6 (Mount Size: 2.8x2.9x1.2mm)
(Top View)
4
3
Pin connection
5
2
1.VDD
2.GND
3.RF OUT
4.RF IN
5.GND
6.EXTCAP
6
1
Orientation Mark
Note: Specifications and description listed in this catalog are subject to change without prior notice.
-1-
NJG1105F
nABSOLUTE
MAXIMUM RATINGS
PARAMETER
Drain Voltage
Input Power
Power Dissipation
Operating Temp.
Storage Temp.
SYMBOL
V
DD
Pin
V
DD
=2.8V
P
D
T
opr
T
stg
CONDITIONS
(T
a
=+25°C, Z
s
=Z
l
=50Ω)
RATINGS
UNITS
6.5
V
+15
dBm
150
-40~+85
-55~+125
mW
°C
°C
nELECTRICAL
CHARACTERISTICS 1
(1.8GHz Band)
(V
DD
=2.8V, f=1860MHz, T
a
=+25°C, Z
s
=Z
l
=50Ω, with application circuit)
PARAMETER
SYMBOL
CONDITIONS
MIN
TYP
MAX
UNITS
Operating Frequency
Freq
1840
1860
1870
MHz
Drain Voltage
V
DD
2.7
2.8
5.5
V
Operating Current
Small Signal Gain
Gain Flatness
Noise Figure
Pout at 1dB Gain
Compression point
Input 3rd Order
Intercept Point
LNAIN Port VSWR
LNAOUT Port VSWR
Stability
I
DD
Gain
G
flat
NF
P
-1dB
IIP3
VSWR
i
VSWR
o
IN/OUT terminal: open or
short, No RF input,
T
a
=20~80°C, freq<20GHz
f=1860.0+1860.1MHz,
Pin=-35dBm
RF OFF
f=1840~1870MHz
-
17.0
-
-
+1.0
-7.0
-
-
7.0
19.0
0.5
1.7
+5.0
-3.0
1.5
1.5
8.5
21.0
1.0
2.0
-
-
2.0
2.0
mA
dB
dB
dB
dBm
dBm
Spurious: -60dBm max.
No return gain
nELECTRICAL
CHARACTERISTICS 2
(1.9GHz Band)
(V
DD
=2.8V, f=1960MHz, T
a
=+25°C, Z
s
=Z
l
=50Ω, with application circuit)
PARAMETER
SYMBOL
CONDITIONS
MIN
TYP
MAX
UNITS
Operating Frequency
Freq
1930
1960
1990
MHz
Drain Voltage
V
DD
2.7
2.8
5.5
V
Operating Current
I
DD
RF OFF
-
7.0
8.5
mA
Small Signal Gain
Gain
16.0
18.0
20.0
dB
Gain Flatness
G
flat
f=1930~1990MHz
-
0.5
1.0
dB
Noise Figure
NF
-
1.7
2.0
dB
Pout at 1dB Gain
P
-1dB
+1.0
+4.0
-
dBm
Compression point
Input 3rd Order
f=1960.0+1960.1MHz,
IIP3
-7.0
-3.0
-
dBm
Intercept Point
Pin=-35dBm
LNAIN Port VSWR
VSWR
i
-
1.5
2.0
LNAOUT Port VSWR
VSWR
o
-
1.5
2.0
IN/OUT terminal: open or
Spurious: -60dBm max.
Stability
short, No RF input,
No return gain
T
a
=20~80°C, freq<20GHz
-2-
NJG1105F
nELECTRICAL
CHARACTERISTICS 3
(2.1GHz Band)
(V
DD
=2.8V, f=2140MHz, T
a
=+25°C, Z
s
=Z
l
=50Ω, with application circuit)
PARAMETER
SYMBOL
CONDITIONS
MIN
TYP
MAX
UNITS
Operating Frequency
Freq
2110
2140
2170
MHz
Drain Voltage
V
DD
2.7
2.8
5.5
V
Operating Current
Small Signal Gain
Gain Flatness
Noise Figure
Pout at 1dB Gain
Compression point
Input 3rd Order
Intercept Point
LNAIN Port VSWR
LNAOUT Port VSWR
Stability
I
DD
Gain
G
flat
NF
P
-1dB
IIP3
VSWR
i
VSWR
o
IN/OUT terminal: open or
short, No RF input,
T
a
=20~80°C, freq<20GHz
f=2140.0+2140.1MHz,
Pin=-35dBm
RF OFF
f=2110~2140MHz
-
13.0
-
-
+1.0
-4.0
-
-
7.0
15.0
0.5
1.7
+4.0
+1.0
1.5
1.5
8.5
17.0
1.0
1.9
-
-
2.0
2.0
mA
dB
dB
dB
dBm
dBm
Spurious: -60dBm max.
No return gain
nELECTRICAL
CHARACTERISTICS 4
(1.8GHz Band, High Gain version)
(V
DD
=2.8V, f=1860MHz, T
a
=+25°C, Z
s
=Z
l
=50Ω, with application circuit)
PARAMETER
SYMBOL
CONDITIONS
MIN
TYP
MAX
UNITS
Operating Frequency
Freq
1840
1860
1870
MHz
Drain Voltage
V
DD
2.7
2.8
5.5
V
Operating Current
I
DD
RF OFF
-
7.0
8.5
mA
Small Signal Gain
Gain
18.0
20.0
22.0
dB
Gain Flatness
G
flat
f=1840~1870MHz
-
0.5
1.0
dB
Noise Figure
NF
-
1.9
2.2
dB
Pout at 1dB Gain
P
-1dB
+1.0
+4.0
-
dBm
Compression point
Input 3rd Order
f=1860.0+1860.1MHz,
IIP3
-7.5
-4.5
-
dBm
Intercept Point
Pin=-35dBm
LNAIN Port VSWR
VSWR
i
-
1.5
2.0
LNAOUT Port VSWR
VSWR
o
-
1.5
2.0
IN/OUT terminal: open or
Spurious: -60dBm max.
Stability
short, No RF input,
No return gain
T
a
=20~80°C, freq<20GHz
-3-
NJG1105F
nELECTRICAL
CHARACTERISTICS 5
(1.9GHz Band, High Gain version)
(V
DD
=2.8V, f=1960MHz, T
a
=+25°C, Z
s
=Z
l
=50Ω, with application circuit)
PARAMETER
SYMBOL
CONDITIONS
MIN
TYP
MAX
UNITS
Operating Frequency
Freq
1930
1960
1990
MHz
Drain Voltage
V
DD
2.7
2.8
5.5
V
Operating Current
Small Signal Gain
Gain Flatness
Noise Figure
Pout at 1dB Gain
Compression point
Input 3rd Order
Intercept Point
LNAIN Port VSWR
LNAOUT Port VSWR
Stability
I
DD
Gain
G
flat
NF
P
-1dB
IIP3
VSWR
i
VSWR
o
IN/OUT terminal: open or
short, No RF input,
T
a
=20~80°C, freq<20GHz
f=1960.0+1960.1MHz
Pin=-35dBm
RF OFF
f=1930~1990MHz
-
17.5
-
-
+1.0
-8.5
-
-
7.0
19.5
0.8
1.9
+4.0
-4.5
1.5
2.0
8.5
21.5
1.1
2.2
-
-
2.0
3.0
mA
dB
dB
dB
dBm
dBm
Spurious: -60dBm max.
No return gain
nELECTRICAL
CHARACTERISTICS 6
(2.1GHz Band, High Gain version 1)
(V
DD
=2.8V, f=2140MHz, T
a
=+25°C, Z
s
=Z
l
=50Ω, with application circuit)
PARAMETER
SYMBOL
CONDITIONS
MIN
TYP
MAX
UNITS
Operating Frequency
Freq
2110
2140
2170
MHz
Drain Voltage
V
DD
2.7
2.8
5.5
V
Operating Current
I
DD
RF OFF
-
7.0
8.5
mA
Small Signal Gain
Gain
13.0
15.0
17.0
dB
Gain Flatness
G
flat
f=2110~2140MHz
-
0.5
1.0
dB
Noise Figure
NF
-
1.7
1.9
dB
Pout at 1dB Gain
P
-1dB
0.0
+3.0
-
dBm
Compression point
Input 3rd Order
f=2140.0+2140.1MHz,
IIP3
-6.5
-3.5
-
dBm
Intercept Point
Pin=-35dBm
LNAIN Port VSWR
VSWR
i
-
2.0
2.5
LNAOUT Port VSWR
Stability
VSWR
o
IN/OUT terminal: open or
short, No RF input,
T
a
=20~80°C, freq<20GHz
-
1.5
2.0
Spurious: -60dBm max.
No return gain
-4-
NJG1105F
nELECTRICAL
CHARACTERISTICS 7
(2.1GHz Band, High Gain version 2)
(V
DD
=2.8V, f=2140MHz, T
a
=+25°C, Z
s
=Z
l
=50Ω, with application circuit)
PARAMETER
SYMBOL
CONDITIONS
MIN
TYP
MAX
UNITS
Operating Frequency
Freq
2110
2140
2170
MHz
Drain Voltage
V
DD
2.7
2.8
5.5
V
Operating Current
Small Signal Gain
Gain Flatness
Noise Figure
Pout at 1dB Gain
Compression point
Input 3rd Order
Intercept Point
LNAIN Port VSWR
LNAOUT Port VSWR
Stability
I
DD
Gain
G
flat
NF
P
-1dB
IIP3
VSWR
i
VSWR
o
IN/OUT terminal: open or
short, No RF input,
T
a
=20~80°C, freq<20GHz
f=2140.0+2140.1MHz,
Pin=-35dBm
RF OFF
f=2110~2140MHz
-
15.0
-
-
+1.0
-5.5
-
-
7.0
17.0
0.5
1.7
+4.0
-2.5
2.0
1.5
8.5
19.0
1.0
1.9
-
-
2.5
2.0
mA
dB
dB
dB
dBm
dBm
Spurious: -60dBm max.
No return gain
-5-
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