NJG1704KC1
- 1 -
800MHz BAND FRONT-END GaAs MMIC
nGENERAL DESCRIPTION nPACKAGE OUTLINENJG1704KC1 is a front-end GaAs MMIC including a
LNA, a local amplifier and a mixer, designed mainly for800MHz band cellular phone handsets.
The ultra small & ultra thin FLP10-C1 package isapplied.
nFEATURESlLow Voltage Operation +2.7V typ.lLow Current Consumption LNA 3.1mA typ.
Mixer 6.1mA typ. (with local amplifier operation current)lUltra Small & Ultra Thin package FLP10-C1 (Package size: 3.0x2.8x0.75mm)
•LNAlHigh Small Signal Gain 16.5dB typ. @ fRF=820MHzlLow Noise Figure 1.4dB typ. @ fRF=820MHzlHigh Input IP3 -4.0dBm typ. @ fRF=820.0+820.1MHz
•MixerlHigh Conversion Gain 12.5dB typ. @ fRF=820MHz, fLO=690MHz, PLO=-10dBmlLow Nose Figure 5.0dB typ. @ fRF=820MHz, fLO=690MHz, PLO=-10dBmlHigh Input IP3 +1.0dBm typ. @fRF=820.0+820.1MHz, fLO=690MHz, PLO=-10dBm
nPIN CONFIGURATION
Pin Connection
1.LNAIN
2.LNACAP
3.GND
4.IFOUT
5.VLO
6.LOIN
7.GND
8.MIXIN
9.GND
10.LNAOUT
KC1 TYPE(Top View)
NJG1704KC1
Orientation Mark
NOTE: Please note that any information on this catalog will be subject to change.
1
2
3
4
5 6
7
8
9
10
NJG1704KC1
- 2 -
ABSOLUTE MAXIMUM RATINGS
(Ta=+25°C, Zs=Zl=50Ω)PARAMETER SYMBOL CONDITIONS RATINGS UNITS
LNA Voltage VLNA 5.0 VMixer Voltage VMIX 5.0 VLOCAL Amplifier Voltage VLO 5.0 VInput Power 1 PLNAIN VLNA=VMIX=VLO=2.7V +15 dBmInput Power 2 PLOIN VLNA=VMIX=VLO=2.7V +10 dBmPower Dissipation PD 550 mWOperating Temperature Topr -40~+85 °CStorage Temperature Tstg -55~+125 °C
ELECTRICAL CHARACTERISTICS 1 (LNA)GENERAL CONDITIONS: Ta=+25°C, VLNA=2.7V, VMIX=VLO=0V, fRF=820MHz,
PRF=-36dBm, Zs=Zl=50Ω, with test circuitPARAMETER SYMBOL CONDITIONS MIN TYP MAX UNITS
Operating Frequency freq 800 820 900 MHzLNA Voltage VLNA 2.5 2.7 4.5 VLNA Operating Current ILNA PRF, PLO=OFF - 3.1 3.7 mASmall Signal Gain Gain 15.0 16.5 18.0 dBGain Flatness Gflat fRF=810~885MHz - 0.5 1.0 dBNoise Figure NF - 1.4 1.6 dBPout at 1dB GainCompression point P-1dB -3.0 -1.0 - dBm
Input 3rd Order Interceptpoint IIP3 fRF=820.0+820.1MHz -10.0 -4.0 - dBm
RF IN VSWR VSWRi - 1.6 2.0RF OUT VSWR VSWRo - 1.5 2.0
ELECTRICAL CHARACTERISTICS 2 (Mixer)GENERAL CONDITIONS: Ta=+25°C, VLNA=0V, VMIX=VLO=2.7V, fRF=820MHz, fLO=690MHz
PRF=-30dBm, PLO=-10dBm, Zs=Zl=50Ω, with test circuitPARAMETER SYMBOL CONDITIONS MIN TYP MAX UNITS
Operating Frequency freq 800 820 900 MHzMixer Voltage VMIX 2.5 2.7 4.5 VLocal Amplifier Voltage VLO 2.5 2.7 4.5 VMixer Operating Current IMIX PRF, PLO=OFF - 5.0 6.3 mALocal Amplifier OperatingCurrent
ILO PRF, PLO=OFF - 1.0 1.2 mA
Conversion Gain Gc 11.0 12.5 - dBNoise Figure NF - 5.0 7.0 dBInput 3rd Order InterceptPoint IIP3 fRF=820.0+820.1MHz - +1.0 - dBm
NJG1704KC1
- 3 -
TERMINAL INFORMATION
No. SYMBOL FUNCTION
1 LNAIN RF input terminal of LNA. An external matching circuit is required.
2 LNACAPTerminal for the bypass capacitor of LNA. The bypass capacitor C1 asshown in test circuits, should be connected to this terminal as close aspossible.
3 GND Ground terminal(0V)
4 IFOUT
IF signal output terminal. The IF signal is output through external matchingcircuit connected to this terminal. Please connect inductances L7, L8 andpower supply as shown in test circuits, since this terminal is also theterminal of mixer power supply.
5 VLO Power supply terminal for local amplifier. Please place R1 and L10 asshown in test circuits at very close to this terminal.
6 LOIN Local signal input terminal to local amplifier. An external matching circuit isrequired.
7 GND Ground terminal(0V)
8 MIXIN RF signal input terminal to mixer. An external matching circuit is required.
9 GND Ground terminal(0V)
10 LNAOUT
Signal output terminal of LNA. The RF signal from LNA is output throughexternal matching circuit connected to this terminal. Please connectinductances L3, L4 and power supply as shown in test circuits, since thisterminal is also the terminal of LNA power supply.
CAUTION1) Ground terminal (No.3, 7, 9) should be connected to the ground plane as low
inductance as possible.
NJG1704KC1
- 4 -
TYPICAL CHARACTERISTICS (LNA, fLO=690MHz,with test circuit)
-15
-10
-5
0
5
10
-30 -25 -20 -15 -10 -5 0
Po
ut
(dB
m)
Pin (dBm)
Pout vs. Pin(V
LNA=2.7V,f=820MHz)
12
13
14
15
16
17
18
19
0.5
1
1.5
2
2.5
3
3.5
4
780 800 820 840 860 880 900 920
Gai
n (
dB
)
No
ise
Fig
ure
(d
B)
Frequency (MHz)
Gain,Noise Figure vs. Frequency(V
LNA=2.7V)
Gain
NF
2.8
2.9
3
3.1
3.2
3.3
2.5 3 3.5 4 4.5
I LN
A (
mA
)
VLNA
(V)
ILNA
vs. VLNA
-8
-6
-4
-2
0
2
4
6
8
2.5 3 3.5 4 4.5
P-1
dB
(d
Bm
)
VLNA
(V)
P-1dB vs. VLNA
(f=820MHz)
14
14.5
15
15.5
16
16.5
17
1
1.5
2
2.5 3 3.5 4 4.5
Gai
n (
dB
)
No
ise
Fig
ure
(d
B)
VLNA
(V)
Gain,Noise Figure vs. VLNA
(f=820MHz)
NF
Gain
-100
-80
-60
-40
-20
0
20
-40 -35 -30 -25 -20 -15 -10 -5 0
Po
ut,
IM3(
dB
m)
Pin (dBm)
Pout,IM3 vs. Pin(V
LNA=2.7V,f=820.0+820.1MHz)
Pout
IM3 IIP3-3.6dBm
P-1dB
-1.1dBm
NJG1704KC1
- 5 -
TYPICAL CHARACTERISTICS (LNA, fLO=690MHz,with test circuit)
The value of OIP3 and IIP3 shown intypical characteristics are calculated by
OIP3=3 x Pout-IM3
2
IIP3=OIP3-Gain @Pin=-36dBm
4
6
8
10
12
14
16
18
20
-8
-6
-4
-2
0
2
4
6
8
2.5 3 3.5 4 4.5
OIP
3 (d
Bm
)
IIP3
(dB
m)
VLNA
(V)
OIP3
IIP3
OIP3,IIP3 vs. VLNA
(f=820.0+820.1MHz,Pin=-36dBm)
11
12
13
14
15
16
-8
-7
-6
-5
-4
-3
-40 -20 0 20 40 60 80 100
OIP
3 (d
Bm
)
IIP3
(dB
m)
Ambient Temperature ( oC)
OIP3,IIP3 vs. Temperature
(VLNA
=2.7V,f=820.0+820.1MHz,Pin=-36dBm)
IIP3
OIP3
15
15.5
16
16.5
17
17.5
18
18.5
19
2.5
2.6
2.7
2.8
2.9
3
3.1
3.2
3.3
-40 -20 0 20 40 60 80 100
Gai
n (
dB
)
I LN
A (
mA
)
Ambient Temperature ( oC)
Gain,ILNA
vs. Temperature
(VLNA
=2.7V,f=820MHz)
ILNA
Gain
0
0.5
1
1.5
2
2.5
3
-6
-5
-4
-3
-2
-1
0
-40 -20 0 20 40 60 80 100
No
ise
Fig
ure
(d
B)
P-1
dB
(d
Bm
)
Ambient Temperature ( oC)
Noise Figure,P-1dB vs. Temperature
(VLNA
=2.7V,f=820MHz)
P-1dB
NF
NJG1704KC1
- 6 -
TYPICAL CHARACTERISTICS (LNA, fLO=690MHz, with test circuit)
S11 S21
S12 S22
ConditionVLNA=2.7VVMIX=VLO=0V
NJG1704KC1
- 7 -
TYPICAL CHARACTERISTICS (MIXER, fLO=690MHz,with test circuit)
ConditionfIF=130MHzfRF=820MHz, PRF=-30dBmfLO=690MHzVMIX=VLO=2.7V
ConditionfIF=130MHzfRF1=820.0MHz, PRF=-30dBmfRF2=820.1MHzfLO=690MHzVMIX=VLO=2.7V
ConditionfIF=130MHzPRF=-30dBmPLO=-10dBmVMIX=VLO=2.7VLower Local
OIP3=3 x IF-IM32
IIP3=OIP3-Gc
@ PRF =-30dBm
6
8
10
12
14
16
18
3
4
5
6
7
8
9
800 820 840 860 880 900
Co
nve
rsio
n G
ain
(d
B)
No
ise
Fig
ure
(d
B)
RF Frequency (MHz)
Conversion Gain,Noise Figure vs. RF Frequency
Gc
NF
2
4
6
8
10
12
14
16
2
4
6
8
10
12
14
16
-40 -30 -20 -10 0 10
Co
nve
rsio
n G
ain
(d
B)
No
ise
Fig
ure
(d
B)
Local Power (dBm)
Conversion Gain,Noise Figurevs. Local Power
NFGc
-10
-5
0
5
10
15
20
-25
-20
-15
-10
-5
0
5
-40 -30 -20 -10 0 10
OIP
3 (d
Bm
)
IIP3
(dB
m)
Local Power (dBm)
OIP3,IIP3 vs. Local Power
IIP3
OIP3
NJG1704KC1
- 8 -
TYPICAL CHARACTERISTICS (MIXER, fLO=690MHz,with test circuit)
-100
-80
-60
-40
-20
0
20
-40 -30 -20 -10 0 10
IF,IM
3 (d
Bm
)
RF Power (dBm)
IF,IM3 vs. RF Power
IF
IM3
ConditionfIF=130MHzfRF1=820.0MHzfRF2=820.1MHzfLO=690MHz, PLO=-10dBmVMIX=VLO=2.7V
ConditionfIF=130MHzfRF=820MHz, PRF=-30dBmfLO=690MHz, PLO=-10dBm
ConditionfIF=130MHzfRF1=820.0MHz, PRF=-30dBmfRF2=820.1MHzfLO=690MHz, PLO=-10dBm
OIP3=3 x IF-IM32
IIP3=OIP3-Gc
@ PRF =-30dBm
ConditionfIF=130MHzfRF=820MHzfLO=690MHz, PLO=-10dBmVMIX=VLO=2.7V
10
11
12
13
14
15
2
4
6
8
10
12
2.5 3 3.5 4 4.5
Co
nve
rsio
n G
ain
(d
B)
No
ise
Fig
ure
(d
B)
VMIX
,VLO
(V)
Conversion Gain,Noise Figurevs. V
MIX,V
LO
NF
Gain
13
14
15
16
17
18
-2
-1
0
1
2
3
2.5 3 3.5 4 4.5
OIP
3 (d
Bm
)
IIP3
(dB
m)
VMIX
,VLO
(V)
OIP3,IIP3 vs. VMIX
,VLO
IIP3
OIP3
-30
-25
-20
-15
-10
-5
0
5
-40 -35 -30 -25 -20 -15 -10 -5 0
IF O
utp
ut
Po
wer
(d
Bm
)
RF Power (dBm)
IF Output Power vs. RF Power
IIP30.8dBm
NJG1704KC1
- 9 -
TYPICAL CHARACTERISTICS (MIXER, fLO=690MHz,with test circuit)
0
5
10
15
-40 -30 -20 -10 0 10
-40oC
-20oC
0oC
+20oC
+40oC
+60oC
+90oC
Co
nve
rsio
n G
ain
(d
B)
Local Power (dBm)
Conversion Gain vs. Local PowerTemperature Response
ConditionfIF=130MHzfRF=820MHz, PRF=-30dBmfLO=690MHzVMIX=VLO=2.7V
ConditionfIF=130MHzfRF=820MHzfLO=690MHzVMIX=VLO=2.7V
ConditionfIF=130MHzfRF1=820.0MHz, PRF=-30dBmfRF2=820.1MHzfLO=690MHzVMIX=VLO=2.7V
IIP3=3 x IF-IM32 -Gc
@ PRF =-30dBm
0
5
10
15
-40 -30 -20 -10 0 10
-40oC
-20oC
0oC
+20oC
+40oC
+60oC
+90oC
No
ise
Fig
ure
(d
B)
Local Power (dBm)
Noise Figure vs. Local PowerTemperature Response
-10
-8
-6
-4
-2
0
2
-40 -30 -20 -10 0 10
-40oC
-20oC
0oC
+20oC
+40oC
+60oC
+90oC
IIP3
(dB
m)
Local Power (dBm)
IIP3 vs. Local PowerTemperature Response
NJG1704KC1
- 10 -
TYPICAL CHARACTERISTICS (MIXER, fLO=690MHz,with test circuit)
ConditionfIF=130MHzfRF=820MHz, PRF=-30dBmfLO=690MHz, PLO=-10dBm
ConditionfIF=130MHzfRF=820MHz, PRF=-30dBmfLO=690MHz, PLO=-10dBm
ConditionfIF=130MHzfRF1=820.0MHz,PRF=-30dBmfRF2=820.1MHzfLO=690MHz, PLO=-10dBm
IIP3=3 x IF-IM32 -Gc
@ PRF =-30dBm
4
6
8
10
12
14
16
2 2.5 3 3.5 4 4.5 5
-40oC
-20oC
0oC
+20oC
+40oC
+60oC
+90oC
Co
nve
rsio
n G
ain
(d
B)
VMIX
,VLO
(V)
Conversion Gain vs. VMIX
,VLO
Temperature Response
0
1
2
3
4
5
6
7
8
2.5 3 3.5 4 4.5
-40oC
-20oC
0oC
+20oC
+40oC
+60oC
+90oC
No
ise
Fig
ure
(d
B)
VMIX
,VLO
(V)
Noise Figure vs. VMIX
,VLO
Temperature Response
-6
-5
-4
-3
-2
-1
0
1
2
2 2.5 3 3.5 4 4.5 5
-40oC
-20oC
0oC
+20oC
+40oC
+60oC
+90oC
IIP3
(dB
m)
VMIX
,VLO
(V)
IIP3 vs. VMIX
,VLO
Temperature Response
NJG1704KC1
- 11 -
TYPICAL CHARACTERISTICS (MIXER, fLO=690MHz,with test circuit)
LOCAL IN PORT
IMPEDANCE
MIXER IN PORT IMPEDANCE
(PLO=-10dBm)
IF OUT PORT IMPEDANCE
ConditionVLNA=0VVMIX=VLO=2.7V
ConditionVLNA=0VVMIX=VLO=2.7V
ConditionVLNA=0VVMIX=VLO=2.7V
NJG1704KC1
- 12 -
TYPICAL CHARACTERISTICS (LNA+MIXER, fLO=690MHz, with test circuit)
RF OUT – MIXER IN ISOLATION
(RF OUT → MIXER IN)
RF IN – LOCAL IN ISOLATION
(RF IN → LOCAL IN)
Port 2
Port 1
IF OUTM.N
M.N.
M.N.
M.N.
M.N.
RF OUT
MIXER IN
RF IN
LOCAL IN
50Ω
50Ω
IF OUT
RF INM.N
M.N.
M.N.
M.N.
M.N.
RF OUT
MIXER IN
LOCAL IN
Port 2
Port 1
RF IN – IF OUT ISOLATION
(RF IN→IF OUT)
IF OUT
M.N
M.N.
M.N.
M.N.
M.N.
RF OUT
MIXER IN
RF IN
LOCAL INPort 2
50Ω
Port 1
50Ω
50Ω
ConditionVLNA=2.7VVMIX=VLO=2.7VPort1: RF INPort2: LOCAL IN
ConditionVLNA=2.7VVMIX=VLO=2.7VPort1: RF OUTPort2: MIXER IN
ConditionVLNA=2.7VVMIX=VLO=2.7VPort1: RF INPort2: IF OUT
RF OUT–MIXER IN
Coaxial Cable
Z0=50 ohm, L=260 mm
RF OUT–MIXER IN
Coaxial Cable
Z0=50 ohm, L=260 mm
NJG1704KC1
- 13 -
TYPICAL CHARACTERISTICS (LNA+MIXER, fLO=690MHz,with test circuit)
RF OUT
Port 1
IF OUTM.N
M.N.
M.N.
M.N.
M.N.
MIXER IN
RF IN
LOCAL IN
50Ω
Port 2
ConditionVLNA=2.7VVMIX=VLO=2.7VPLO=-10dBmPort1: LOCAL INPort2: IF OUT
ConditionVLNA=2.7VVMIX=VLO=2.7VPLO=-10dBmPort1: LOCAL INPort2: RF IN
RF OUT
Port 1
IF OUT
M.N
M.N.
M.N.
M.N.
M.N.
MIXER IN
RF IN
LOCAL INPort 2
50Ω
-30
-25
-20
-15
-10
-5
0
660 680 700 720 740 760 780
Iso
lati
on
(d
B)
Local Frequency (MHz)
LOCAL IN to IF OUT Isolationvs. Local Frequency
-60
-50
-40
-30
-20
-10
0
660 680 700 720 740 760 780
Iso
lati
on
(d
B)
Local Frequency (MHz)
LOCAL IN to RF IN Isolationvs. Local Frequency
RF OUT–MIXER IN
Coaxial Cable
Z0=50 ohm, L=260 mm
RF OUT–MIXER IN
Coaxial Cable
Z0=50 ohm, L=260 mm
NJG1704KC1
- 14 -
TEST CIRCUIT
800MHz BANDLower
LOCALPARTID
fLO=690MHzfIF=130MHz
COMMENT
L1 22nH TAIYO-YUDEN (HK1005)L2 22nH TAIYO-YUDEN (HK1608)L3 47nH TAIYO-YUDEN (HK1005)L4 18nH TAIYO-YUDEN (HK1005)L5 15nH TAIYO-YUDEN (HK1005)L6 4.7nH TAIYO-YUDEN (HK1005)L7 100nH TAIYO-YUDEN (HK1608)L8 56nH TAIYO-YUDEN (HK1005)L9 27nH TAIYO-YUDEN (HK1005)
L10 39nH TAIYO-YUDEN (HK1005)C1 470pF MURATA (GRM36)C2 4pF MURATA (GRM36)C3 1000pF MURATA (GRM36)C4 1pF MURATA (GRM36)C5 9pF MURATA (GRM36)C6 1000pF MURATA (GRM36)C7 1000pF MURATA (GRM36)C8 100pF MURATA (GRM36)C9 1000pF MURATA (GRM36)R1 39Ω 1005 Size
PARTS LIST
VLO
6
7
8
9
101
2
3
4
5
L1L2
C1
L4
C2
L5
L6
L9C4
L7
L8 C5
C7
C8 C9
L10
R1
RF IN
VLNA
Zo=50Ω
LNA
Zo=50Ω
Zo=50Ω
VMIX
C3
C6
L3
MIXER
RF OUT
Zo=50Ω
Zo=50Ω
LOCAL
AMPLIFIER
MIXER IN
LOCAL IN
NJG1704KC1
- 15 -
RECOMMENDED PCB DESIGN
PCB (FR-4): t = 0.2 mm
MICRO STRIPLINE WIDTH = 0.4 mm (Z0 = 50Ω)
PCB SIZE = 23.0 x 17.0 mm
(800MHz BAND)
VLO
VMIX
VLNAC3
C2
L5C1
L9
C7
L7
L1
R1
C4
C6
L8
C8
C9
C5
L2
L4
L3
L6
L10
RF IN
IF OUT
LOCAL IN
MIXER IN
RF OUT
1pin
NJG1704KC1
- 16 -
MEASURING BLOCK DIAGRAM
SG(RF)
SpectrumAnalyzer
SG(LO)
VMIX=VLO=2.7V
IF OUT
LOCAL IN
MIXER IN
DUT
Conversion Gain Measuring Block Diagram
NoiseSource
BPF6dBATT.
SG(LO)
BPF
NFMeter
VMIX=VLO=2.7V
Noise Figure Measuring Block Diagram
DUT
SG(RF1)
SG(RF2)
PowerComb.
SpectrumAnalyzer
SG(LO)
VMIX=VLO=2.7V
DUT
IF,IM3 Measuring Block Diagram
IF OUT
LOCAL INMIXER IN
IF OUT
LOCAL IN
MIXER IN
NJG1704KC1
- 17 -
nPACKAGE OUTLINE (FLP10-C1)
Lead material : CopperLead surface finish : Solder platingMolding material : Epoxy resinUNIT : mmWeight : 15mg
Cautions on using this product This product contains Gallium-Arsenide (GaAs) which is a harmful material. • Do NOT eat or put into mouth. • Do NOT dispose in fire or break up this product. • Do NOT chemically make gas or powder with this product. • To waste this product, please obey the relating law of your country.
This product may be damaged with electric static discharge (ESD) or spike voltage. Please handlewith care to avoid these damages.
[CAUTION]The specifications on this databook are only
given for information , without any guaranteeas regards either mistakes or omissions. Theapplication circuits in this databook aredescribed only to show representative usagesof the product and not intended for theguarantee or permission of any right includingthe industrial rights.
3.0±0.1
10 6
1 5
0.2
0.2
2.8
±0
.1
2.4
±0
.1
0.5 0.5
0.15-0.05+0.1
0.2-0.05+0.1
0.1
0.1
0.75±0.05
Mouser Electronics
Authorized Distributor
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NJG1704KC1-TE3