NJG1307R
DRIVER AMPLIFIER GaAs MMIC
nGENERAL
DESCRIPTION
NJG1307R is a GaAs MMIC designed mainly for
driver amplifier of Cellular Phone.
This is an amplifier which has high gain of 33dB
and variable gain with 40dB dynamic range.
NJG1307R features stable VSWR and low current
operation.
n
PACKAGE OUTLINE
NJG1307R
nFEATURES
lSingle
and low voltage operation
lLow
current consumption
lSmall
signal gain
lPout
at 1dB compression point
lWide
Variable range
lPackage
+3.0V typ.
25mA typ. @P
OUT
= 8dBm
33dB typ. @f= 938MHz
30dB typ. @f= 1441MHz
25dB typ. @f= 1.9GHz
11dBm typ. @f= 938MHz
10dBm typ. @f= 1441MHz
8dBm typ. @f= 1.9GHz
40dB typ.
VSP8
nPIN
CONFIGURATION
R TYPE
(TOP VIEW)
Pin Connection
1
2
3
4
8
7
6
5
1. RF
out1
2.
4.
5.
V
CONT
RF
in1
RF
out2
3. GND1
6. GND2
7. GND1
8.
RF
in2
-1-
NJG1307R
nABSOLUTE
MAXIMUM RATINGS
(
T
a
=+25°C, Z
s
=Z
l
=50Ω)
PARAMETER
Drain Voltage
Gain Control Voltage
Input Power
Operating Power
Operating Temperature
Storage Temperature
SYMBOL
V
DD
V
CONT
P
in
P
D
T
opr
T
stg
V
DD
=3V
V
DD
=3V, V
CONT
=2V
At on PCB board
CONDITIONS
RATINGS
6
3
10
320
-40 ~ 85
-55 ~ 150
UNITS
V
V
dBm
mW
°C
°C
nELECTRICAL
CHARACTERISTICS 1
(Application1 PDC800MHz)
(T
a
=25°C, Z
s
=Z
l
=50Ω,
V
DD
=3.0V, f=938MHz
)
PARAMETER
Operating Frequency
Drain Voltage
Operating Current
Small Signal Gain
Gain Flatness
Gain Control Range
Pout at 1dB Gain
Compression point
Adjacent Channel
Leakage Power
RF
in1
Port VSWR
RF
out1
Port VSWR
RF
in2
Port VSWR
RF
out2
Port VSWR
VSWR
i1
VSWR
o1
VSWR
i2
VSWR
o2
SYMBOL
freq
V
DD
I
DD
Gain
G
flat
G
cont
P
-1dB
P
acp
CONDITIONS
MIN
915
2.7
TYP
938
3.0
25
33
0.5
40
+11
-60
MAX
960
5.0
35
-
-
-
-
-55
UNITS
MHz
V
mA
dB
dB
dB
dBm
dBc
V
CONT
=2V, P
out
=+8dBm
V
CONT
=2V, P
in
=-25dBm
V
CONT
=2V, P
in
=-25dBm
f=915~960MHz
V
CONT
=0.1~2.0V, P
in
=-25dBm
V
CONT
=2V
-
29
-
35
-
-
V
CONT
=2V, P
out
=+8dBm
offset=50kHz, P
in
;
π/4
DQPSK
V
CONT
=2V
V
CONT
=2V
V
CONT
=2V
V
CONT
=2V
-
-
-
-
1.5
1.5
1.5
1.5
-
-
-
-
-2-
NJG1307R
nELECTRICAL
CHARACTERISTICS 2
(Application 2 PDC1.5GHz)
(T
a
=25°C, Z
s
=Z
l
=50Ω, V
DD
=3.0V, f=1441MHz)
PARAMETER
SYMBOL
CONDITIONS
MIN
TYP MAX UNITS
Operating Frequency
freq
1429 1441 1453
MHz
Drain Voltage
V
DD
2.7
3.0
5.0
V
Operating Current
I
DD
V
CONT
=2V, P
out
=+8dBm
-
25
35
mA
Small Signal Gain
Gain
V
CONT
=2V, P
in
=-25dBm
26
30
-
dB
V
CONT
=2V, P
in
=-25dBm
Gain Flatness
G
flat
-
0.5
-
dB
f=1429~1453MHz
Gain Control Range
G
cont
V
CONT
=0.1~2.0V,
35
40
-
dB
P
in
=-25dBm
Pout at 1dB Gain
P
-1dB
V
CONT
=2V
-
+10
-
dBm
Compression point
Adjacent Channel
P
acp
V
CONT
=2V, P
out
=+8dBm
-
-60
-55
dBc
Leakage Power
offset=50kHz,
P
in
;π/4 DQPSK
RF
in1
PortVSWR
VSWR
i1
V
CONT
=2V
-
1.5
-
RF
out1
PortVSWR
VSWR
o1
V
CONT
=2V
-
1.5
-
RF
in2
PortVSWR
VSWR
i2
V
CONT
=2V
-
1.5
-
RF
out2
PortVSWR
VSWR
o2
V
CONT
=2V
-
1.5
-
nELECTRICAL
CHARACTERISTICS 3
(Application 3 PHS1.9GHz)
(T
a
=25°C, Z
s
=Z
l
=50Ω, V
DD
=3.0V, f=1.9GHz)
PARAMETER
SYMBOL
CONDITIONS
MIN
TYP MAX UNITS
Operating Frequency
freq
1.89
1.9
1.92
GHz
Drain Voltage
V
DD
2.7
3.0
5.0
V
Operating Current
I
DD
V
CONT
=2V, P
out
=+8dBm
-
25
35
mA
Small Signal Gain
Gain
V
CONT
=2V, P
in
=-25dBm
21
25
-
dB
V
CONT
=2V, P
in
=-25dBm
-
0.5
-
dB
Gain Flatness
G
flat
f=1.89~1.92GHz
Gain Control Range
G
cont
V
CONT
=0.1~2.0V, P
in
=-
35
40
-
dB
25dBm
P
-1dB
V
CONT
=2V
-
+8
-
dBm
Pout at 1dB Gain
Compression point
P
acp
V
CONT
=2V, P
out
=+8dBm
-
-65
-60
dBc
Adjacent Channel
Leakage Power
offset=600kHz, P
in
;π/4
DQPSK
RF
in1
Port VSWR
VSWR
i1
V
CONT
=2V
-
1.5
-
RF
out1
Port VSWR
VSWR
o1
V
CONT
=2V
-
1.5
-
RF
in2
Port VSWR
VSWR
i2
V
CONT
=2V
-
1.5
-
RF
out2
Port VSWR
VSWR
o2
V
CONT
=2V
-
1.5
-
-3-
NJG1307R
nTERMINAL
INFORMATION
No.
SYMBOL
DESCRIPTIONS
RF signal output terminal from Wide-Band variable gain
1
RF
out1
Amplifier. And this terminal is also the voltage supply terminal
of wide-band variable gain amplifier, therefore should be
supplied voltage through the choke coil.
2
3
4
5
V
CONT
GND1
RF
in1
RF
out2
Voltage input terminal or gain control circuit.
Ground terminal. No.3 and No.7 pins connected inside IC.
RF signal input terminal to wide-band variable gain amplifier.
RF signal output terminal from driver amplifier. And this
terminal is also the voltage supply terminal of driver amplifier,
therefore should be supplied voltage through the choke coil.
Ground terminal.
6
GND2
However GND1 terminal must not be connected to GND2,
please use different through hole to connect ground plane.
(Please see RECOMMENDED PCB DESIGN)
7
8
GND1
RF
in2
Ground terminal.
RF signal input terminal to driver amplifier.
-4-
NJG1307R
nTYPICAL
CHARACTERISTICS1
(Application 1 PDC800MHz)
S21,S11,S22,S12 vs. FREQUENCY
(V =3V, V
40
S21
30
20
10
0
-10
-20
S11
-30
0.5
-70
1
1.5
2
2.5
Frequency (GHz)
3
-30
0
0.5
V
1
CONT
DD
CONT
GAIN, VSWR vs. V
0
-10
-20
-30
-40
-50
-60
Gain (dB)
S12 (dB)
40
30
20
10
0
-10
CONT
=2V)
(V =3V, f=938MHz)
DD
8
7
GAIN
S21,S11,S22 (dB)
6
VSWR
5
4
3
S22
S12
VSWR
-20
VSWR
IN
OUT
2
1
1.5
(V)
2
OUTPUT POWER, I
DD
vs. INPUT POWER
(V =3V, V
DD
CONT
ACP, RMS VECTOR ERROR vs. OUTPUT POWER
(V
DD
=3V, V
CONT
=2V, f=938MHz, offset=50kHz)
-40
20
=2V, f=938MHz)
60
20
Output Power (dBm)
-10
30
PDC800MHz
I
DD
0
40
-60
10
-70
5
-20
-40
-30
-20
-10
0
Input Power (dBm)
20
-80
-10
0
10
Output Power (dBm)
0
20
ACP, RMS VECTOR ERROR vs. V
CONT
(V
DD
=3V, Input Power=-25dBm, f=938MHz, offset=50kHz)
-40
20
ACP, RMS VECTOR ERROR vs. V
CONT
(V
DD
=3V, Output Power=+8dBm, f=938MHz, offset=50kHz)
-40
20
ACP (dBc)
RMS Vector Error (%)
PDC800MHz
-70
5
PDC800MHz
-60
10
-60
10
-70
5
-80
0
0.5
1
V
CONT
(V)
1.5
2
0
-80
0
0.5
1
V
CONT
(V)
1.5
2
0
-5-
RMS Vector Error (%)
-50
ACP (dBc)
15
-50
15
RMS Vector Error (%)
10
50
ACP (dBc)
P-1dB
+10.4dBm
-50
15
(mA)
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