NJG1705V
- 1 -
1.5/1.9GHz BAND FRONT-END GaAs MMIC
n
GENERAL DESCRIPTION
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PACKAGE OUTLINE
NJG1705V is a front-end GaAs MMIC including
a LNA, local amplifier and a Mixer, designed mainly
for 1.5 and 1.9GHz band cellular phone.
NJG1705V exhibits low noise of 16dB at 1.5GHz
and 2.1dB at 1.9GHz at low total current
consumption of 9.5mA.
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FEATURES
l
Low voltage operation
+2.7V typ.
l
Low current consumption
9.5mA typ.
l
High conversion gain
23.5dB typ. @f
RF
=1489MHz, P
RF
=-50dBm, f
LO
=1619MHz, P
LO
=-10dBm
20.5dB typ. @f
RF
=1900MHz, P
RF
=-50dBm, f
LO
=1660MHz, P
LO
=-10dBm
l
Low noise figure
1.6dB typ. @f
RF
=1489MHz, f
LO
=1619MHz, P
LO
=-10dBm, f
IF
=130MHz
2.2dB typ. @f
RF
=1900MHz, f
LO
=1660MHz, P
LO
=-10dBm, f
IF
=240MHz
l
High IIP3
-15.5dBm typ. @f
RF
=1489.0+1489.1MHzf
LO
=1619MHz, P
LO
=-10dBm
-10dBm typ. @f
RF
=1900.0+1900.1MHzf
LO
=1660MHz, P
LO
=-10dBm
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Package
SSOP10
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PIN CONFIGURATION
Pin Connection
1.LNAIN
2.LNACAP
3.GND
4.IFOUT
5.VLO
6.LOIN
7.GND
8.MIXIN
9.GND
10.LNAOUT
1
2
3
4
5
6
7
8
9
10
V Type
(Top View)
NJG1705V
NJG1705V
- 2 -
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ABSOLUTE MAXIMUM RATINGS
(T
a
=+25C, Z
s
=Z
l
=50
)
PARAMETER
SYMBOL
CONDITIONS
RATINGS
UNITS
LNA Voltage
V
LNA
5.0
V
MIXER Voltage
V
MIX
5.0
V
Local Amplifier Voltage
V
LO
5.0
V
InputPower1
P
LNAIN
V
LNA
=V
MIX
=V
LO
=2.7V
+15
dBm
InputPower2
P
LOIN
V
LNA
=V
MIX
=V
LO
=2.7V
+10
dBm
Power Dissipation
P
D
320
mW
Operating Temperature
T
opr
-40~+85
C
Storage Temperature
T
stg
-55~+125
C
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ELECTRICAL CHARACTERISTICS 1 (1.5GHz band)
COMMON CONDITIONS: T
a
=+25C, V
LNA
=V
MIX
=V
LO
=2.7V, f
RF
=1489MHz, f
LO
=1619MHz,f
IF
=130MHz,
P
RF
=-50dBm, P
LO
=-10dBm, Z
s
=Z
l
=50
, Application Circuit,
1.5GHz band, f
LO
=1619MHz
PARAMETER
SYMBOL
CONDITIONS
MIN
TYP
MAX
UNITS
Operating Frequency
freq
1470
1489
1520
MHz
LNA Voltage
V
LNA
2.5
2.7
4.5
V
MIXER Voltage
V
MIX
2.5
2.7
4.5
V
Local Amplifier Voltage
V
LO
2.5
2.7
4.5
V
LNA current
I
LNA
RF, LO=OFF
-
3.5
5.0
mA
MIXER current
I
MIX
RF, LO=OFF
-
5.0
6.6
mA
Local Amplifier current
I
LO
RF, LO=OFF
-
1.0
2.0
mA
Total current
I
AL
RF, LO=OFF
-
9.5
13.6
mA
Conversion Gain
Gc
21.0
23.5
-
dB
Gain Flatness
G
flat
f
RF
=1470-1520MHz
-
1.0
1.5
dB
Noise Figure
NF
-
1.6
1.9
dB
1dB Gain Compression
Output Power
P-1dB
-4.0
-2.0
-
dBm
Input 3'rd Intercept Point
IIP3
f
RF
=1489.0+1489.1MHz
-18.0
-15.5
-
dBm
Image Suppression Level
IMR
-
-11.0
-8.0
dBc
RF IN VSWR
VSWR
i
-
2.0
3.0
NJG1705V
- 3 -
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ELECTRICAL CHARACTERISTICS (1.5GHz band LNA)
COMMON CONDITIONS: T
a
=+25C, V
LNA
=2.7V, V
MIX
=V
LO
=0V, f
RF
=1489MHz, Z
s
=Z
l
=50
,
f
LO
=1619MHz, Application Circuit, 1.5GHz band, f
LO
=1619MHz
PARAMETER
SYMBOL
CONDITIONS
MIN
TYP
MAX
UNITS
Small Signal Gain
Gain
-
15.0
-
dB
Noise Figure
NF
-
1.2
-
dB
Input 3'rd Intercept Point
IIP3
f
RF
=1489.0+1489.1MHz
-
-4.0
-
dBm
RF IN VSWR
VSWRi
-
2.0
-
RF OUT VSWR
VSWRo
-
2.0
-
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ELECTRICAL CHARACTERISTICS (1.5GHz band MIXER)
COMMON CONDITIONS: T
a
=+25C, V
LNA
=0V, V
MIX
=V
LO
=2.7V, f
RF
=1489MHz, f
LO
=1619MHz,
P
RF
=-30dBm, P
LO
=-10dBm, Z
s
=Z
l
=50
, Application Circuit,
1.5GHz band, f
LO
=1619MHz
PARAMETER
SYMBOL
CONDITIONS
MIN
TYP
MAX
UNITS
Conversion Gain
G
c
-
8.0
-
dB
Noise Figure
NF
-
8.0
-
dB
Input 3'rd Intercept Point
IIP3
f
RF
=1489.0+1489.1MHz
-
-1.0
-
dBm
NJG1705V
- 4 -
n
ELECTRICAL CHARACTERISTICS 2 (1.9GHz band)
COMMON CONDITIONS: T
a
=+25C, V
LNA
=V
MIX
=V
LO
=2.7V, f
RF
=1900MHz, f
LO
=1660MHz, f
IF
=240MHz,
P
RF
=-50dBm, P
LO
=-10dBm, Z
s
=Z
l
=50
, Application Circuit,
1.9GHz band, f
LO
=1660MHz
PARAMETER
SYMBOL
CONDITIONS
MIN
TYP
MAX
UNITS
Operating Frequency
freq
1890
1900
1920
MHz
LNA Voltage
V
LNA
2.5
2.7
4.5
V
MIXER Voltage
V
MIX
2.5
2.7
4.5
V
Local Amplifier Voltage
V
LO
2.5
2.7
4.5
V
LNA Current *1
I
LNA
RF, LO=OFF
-
3.5
5.0
mA
MIXER Current *2
I
MIX
RF, LO=OFF
-
5.0
6.6
mA
Local Amplifier Current *3
I
LO
RF, LO=OFF
-
1.0
2.0
mA
Total Current
I
AL
RF, LO=OFF
-
9.5
13.6
mA
Conversion Gain
Gc
18.5
20.5
-
dB
Gain Flatness
G
flat
f
RF
=1890-1920MHz
-
1.3
1.8
dB
Noise Figure
NF
-
2.2
2.5
dB
1dB Gain Output Compression
Output Power
P-1dB
-3.0
-1.0
-
dBm
Input 3'rd Intercept Point
IIP3
f
RF
=1900.0+1900.1MHz
-14.0
-10.0
-
dBm
Image Suppression Level
IMR
-
-6.5
-4.5
dBc
RF IN VSWR
VSWR
I
-
2.0
3.0
NJG1705V
- 5 -
n
ELECTRICAL CHARACTERISTICS (1.9GHz band LNA)
COMMON CONDITIONS: T
a
=+25C, V
LNA
=2.7V, V
MIX
=V
LO
=0V, f
RF
=1900MHz, Z
s
=Z
l
=50
,
Application Circuit, 1.9GHz band, f
LO
=1660MHz
PARAMETER
SYMBOL
CONDITIONS
MIN
TYP
MAX
UNITS
Small signal Gain
Gain
-
13.0
-
dB
Noise Figure
NF
-
1.4
-
dB
Input 3'rd Intercept Point
IIP3
f
RF
=1900.0+1900.1MHz
-
-3.0
-
dBm
RF IN VSWR
VSWRi
-
2.0
-
RF OUT VSWR
VSWRo
-
2.0
-
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ELECTRICAL CHARACTERISTICS (1.9GHz band MIXER)
COMMON CONDITIONS: T
a
=+25C, V
LNA
=0V, V
MIX
=V
LO
=2.7V, f
RF
=1900MHz, f
LO
=1660MHz,
P
RF
=-30dBm, P
LO
=-10dBm, Zs=Zl=50
, f
LO
=1660MHz,
Application Circuit, 1.9GHz band, f
LO
=1660MHz
PARAMETER
SYMBOL
CONDITIONS
MIN
TYP
MAX
UNITS
Conversion Gain
G
c
-
8.0
-
dB
Noise Figure
NF
-
8.0
-
dB
Input 3'rd Intercept Point
IIP3
f
RF
=1900.0+1900.1MHz
-
4.0
-
dBm
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