NJG1556KB2
- 1 -
1.5/1.9GHz BAND MIXER GaAs MMIC
n
GENERAL DESCRIPTION
n
PACKAGE OUTLINE
NJG1556KB2 is a mixer GaAs MMIC features low distortion,
high conversion gain and low noise figure.
NJG1556KB2 includes a mixer and a local amplifier, and
ideally suitable for 1.5GHz or 1.9GHz band digital mobile
phone handsets.
An ultra small & ultra thin FLP6-KB2 package is adopted.
n
FEATURES
lLow voltage operation +2.7V
lHigh conversion gain 10dB typ. @fRF=1489MHz, PLO=-15dBm
12.5dB typ. @fRF=1960MHz, PLO=-10dBm
lHigh Input IP3 -1dBm typ. @fRF=1489.0+1489.1MHz, PLO=-15dBm
-0.5dBm typ. @fRF=1960.0+1960.1MHz, PLO=-10dBm
lLow noise figure 7dB typ. @fRF=1489MHz, PLO=-15dBm
6.5dB typ. @fRF=1960MHz, PLO=-10dBm
lUltra small & ultra thin package FLP6-B2 (Mount Size: 2.0mm x 2.1mm x 0.75mm)
n
PIN CONFIGURATION
03/24/2000 Ver.3
TENTATIVE
1
2
3
4
5
6
KB2 Type
(Top View)
Pin Connection
1. LOIN
2. GND
3. RFIN
4. IFOUT
5. BPC
6. VLO
NOTE: Please note that any information on this catalog will be subject to change.
NOTE: The portion above shows orientation mark printed on the package surface.
NJG1556KB2
NJG1556KB2
- 2 -
nABSOLUTE MAXIMUM RATINGS
(Ta=25°C, Zs=Zl=50Ω)
PARAMETERS SYMBOL CONDITIONS RATINGS UNITS
Mixer Supply Voltage V
MIX
5 V
Local Amplifier Supply Voltage V
LO
5 V
Mixer RF Input Power P
RFIN
V
MIX
=2.7V,VLO=2.7V +10 dBm
Mixer LO Input Power P
LOIN
V
MIX
=2.7V,VLO=2.7V +10 dBm
Power Dissipation P
D
450 mW
Operating Temperature T
opr
-40~+85 °C
Storage Temperature T
stg
-55~+125 °C
nELECTRICAL CHARACTERISTICS 1 (DC CHARACTERISTICS)
(Ta=25°C)
PARAMETERS SYMBOL CONDITIONS MIN TYP MAX UNITS
Mixer Supply Voltage V
MIX
2.5 2.7 4.5 V
Local Amplifier Supply
Voltage
V
LO
2.5 2.7 4.5 V
Mixer Current I
MIX
PRF=OFF, PLO=OFF - 5.0 - mA
Local Amplifier Current I
LO
PRF=OFF, PLO=OFF - 1.0 - mA
nELECTRICAL CHARACTERISTICS 2 (AC CHARACTERISTICS PDC 1.5GHz BAND)
GENERAL CONDITIONS: Ta=25°C, V
MIX
=2.7V, VLO=2.7V, fRF=1489MHz, fLO=1619MHz
P RF=-30dBm, PLO=-15dBm, Zs=Zl=50Ω, with test circuit 1
PARAMETERS SYMBOL CONDITIONS MIN TYP MAX UNITS
Operating Frequency freq1 1470 1489 1510 MHz
Conversion Gain Gc1 8.0 10.0 - dB
Input 3rd Order
Intercept point
IIP3_1 fRF=1489.0MHz+1489.1MHz -4.0 -1.0 - dBm
Noise Figure NF1 - 7.0 8.5 dB
LO to RF Isolation ISL1
IF OUT Port: 50Ω term.
- 2.0 - dB
nELECTRICAL CHARACTERISTICS 3 (AC CHARACTERISTICS PCS 1.9GHz BAND)
GENERAL CONDITIONS: Ta=25°C, V
MIX
=2.7V, VLO=2.7V, fRF=1960MHz, fLO=2090MHz
PRF=-30dBm, PLO=-10dBm, Zs=Zl=50Ω, with test circuit 2
PARAMETERS SYMBOL CONDITIONS MIN TYP MAX UNITS
Operating Frequency freq2 1920 1960 2000 MHz
Conversion Gain Gc2 10.0 12.5 - dB
Input 3rd Order
Intercept point
IIP3_2 fRF=1900.0MHz+1900.1MHz -3.0 -0.5 - dBm
Noise Figure NF2 - 6.5 8.0 dB
LO to RF Isolation ISL2
IF OUT Port: 50Ω term.
- 7.0 - dB
NJG1556KB2
- 3 -
n
TERMINAL INFORMATION
PIN No. SYMBOL DESCRIPTIONS
1 LOIN
Local power input terminal of local amplifier.
External matching circuit is required.
2 GND Ground terminal (0V).
3 RFIN RF input terminal of mixer. External matching circuit is required.
4 IFOUT
IF signal output terminal for mixer external matching circuit is required.
Please connect mixer power supply through choke inductor (L7) as shown in
test circuit.
5 BPC
Optional bypass capacitor terminal for mixer.
Please connect optimum capacitor if need for tuning Gc or IP3.
6 VLO
Local amplifier supply terminal.
Please place R1 & L5 close to this terminal as shown in test circuit.
NOTE:
1) Ground terminal (2pin) should be connected with ground plane by multiple via holes
for good grounding.
NJG1556KB2
- 4 -
n
TYPICAL CHARACTERISTICS (PDC 1.5GHz BAND)
Condition
fIF=130MHz
fRF=1489MHz, PRF=-30dBm
fLO=1619MHz
V
MIX=VLO
=2.7V
Condition
fIF=130MHz
fRF=1489.0+1489.1MHz
PRF=-30dBm
fLO=1619MHz
V
=V
=2.7V
OIP3=
3xIF-IM3
2
IIP3=OIP3-Gc
Condition
fIF=130MHz
fRF=1489MHz
fLO=1619MHz, PLO=-15dBm
V
MIX=VLO
=2.7V
Condition
fIF=130MHz
fRF=1489.0+1489.1MHz
fLO=1619MHz, PLO=-15dBm
V
MIX=VLO
=2.7V
-4
-2
0
2
4
6
8
10
12
2
4
6
8
10
12
14
16
18
-40 -30 -20 -10 0 10
Conversion Gain , Noise Figure
vs. LO Power
Conversion Gain (dB)
Noise Figure (dB)
LO Power (dBm)
Gc
NF
-15
-10
-5
0
5
10
15
-5
-4
-3
-2
-1
0
1
-40 -30 -20 -10 0 10
Output IP3 , Input IP3
vs. LO Power
OIP3 (dBm)
IIP3 (dBm)
LO Power (dBm)
OIP3
IIP3
-30
-25
-20
-15
-10
-5
0
5
-40 -35 -30 -25 -20 -15 -10 -5 0
IF Output Power vs. RF Power
IF Output Power (dBm)
RF Power (dBm)
-100
-80
-60
-40
-20
0
20
-40 -35 -30 -25 -20 -15 -10 -5 0
IF , IM3 vs. RF Power
IF , IM3 (dBm)
RF Power (dBm)
IF
IM3
NJG1556KB2
- 5 -
n
TYPICAL CHARACTERISTICS (Continued)
Condition
fIF=130MHz
fRF=1489MHz, PRF=-30dBm
fLO=1619MHz, PLO=-15dBm
Condition
fIF=130MHz
fRF=1489.0+1489.1MHz
PRF=-30dBm
fLO=1619MHz, PLO=-15dBm
OIP3=
3xIF-IM3
2
IIP3=OIP3-Gc
Condition
fLO=1600~1640MHz
PLO=-15dBm
V
MIX=VLO
=2.7V
IF OUT Port: 50Ωterm.
Condition
fLO=1600~1640MHz
PLO=-15dBm
V
MIX=VLO
=2.7V
RF IN Port: 50Ωterm.
5
6
7
8
9
10
11
12
5
6
7
8
9
10
11
12
2.5 3 3.5 4 4.5
Conversion Gain , Noise Figure
vs. V
MIX
, V
LO
Conversion Gain (dB)
Noise Figure (dB)
V
MIX
, VLO (V)
Gc
NF
6
7
8
9
10
11
-2
-1
0
1
2
3
2.5 3 3.5 4 4.5
Output IP3 , Input IP3
vs. V
MIX
, V
LO
OIP3 (dBm)
IIP3 (dBm)
V
MIX
, VLO (V)
OIP3
IIP3
-5
-4
-3
-2
-1
0
1
2
1600 1605 1610 1615 1620 1625 1630 1635 1640
LO to RF Isolation vs. LO Frequency
LO to RF Isolation (dB)
LO Frequency (MHz)
-32
-31
-30
-29
-28
-27
-26
-25
1600 1605 1610 1615 1620 1625 1630 1635 1640
LO to IF Isolation vs. LO Frequency
LO to IF Isolation (dB)
LO Frequency (MHz)
NJG1556KB2
- 6 -
n
TYPICAL CHARACTERISTICS (Continued)
Condition
fIF=130MHz
fRF=1489MHz, PRF=-30dBm
fLO=1619MHz, PLO=-15dBm
V
MIX=VLO
=2.7V
Condition
fIF=130MHz
fRF=1489.0+1489.1MHz
PRF=-30dBm
fLO=1619MHz, PLO=-15dBm
V
=V
=2.7V
OIP3=
3xIF-IM3
2
IIP3=OIP3-Gc
Condition
fLO=1619MHz
PLO=-15dBm
V
MIX=VLO
=2.7V
IF OUT Port: 50Ωterm.
Condition
fLO=1619MHz
PLO=-15dBm
V
MIX=VLO
=2.7V
RF IN Port: 50Ωterm.
-40
-35
-30
-25
-20
-15
-50 0 50 100
LO to IF Isolation vs. Temperature
LO to IF Isolation (dB)
Temperature (oC)
4
5
6
7
8
9
10
11
-3
-2
-1
0
1
2
3
4
-50 0 50 100
Output IP3 , Input IP3 vs. Temperature
OIP3 (dBm)
IIP3 (dBm)
Temperature (oC)
OIP3
IIP3
-5
-4
-3
-2
-1
0
1
2
-50 0 50 100
LO to RF Isolation vs. Temperature
LO to RF Isolation (dB)
Temperature (oC)
6
7
8
9
10
11
12
13
4
5
6
7
8
9
10
11
-50 0 50 100
Conversion Gain , Noise Figure
vs. Temperature
Conversion Gain (dB)
Noise Figure (dB)
Temperature (oC)
Gc
NF
NJG1556KB2
- 7 -
n
TYPICAL CHARACTERISTICS (Continued)
RF IN Port Impedance LOCAL IN Port Impedance
(LOCAL IN Port, IF OUT Port : 50Ω term.) (RF IN Port, IF OUT Port : 50Ω term.)
IF OUT Port Impedance
(RF IN Port, LOCAL IN Port : 50Ω term.)
NJG1556KB2
- 8 -
n
TYPICAL CHARACTERISTICS (PCS 1.9GHz BAND)
Condition
fIF=130MHz
fRF=1960MHz, PRF=-30dBm
fLO=2090MHz
V
MIX=VLO
=2.7V
Condition
fIF=130MHz
fRF=1960.0+1960.1MHz
PRF=-30dBm
fLO=2090MHz
V
=V
=2.7V
OIP3=
3xIF-IM3
2
IIP3=OIP3-Gc
Condition
fIF=130MHz
fRF=1960MHz
fLO=2090MHz, PLO=-10dBm
V
MIX=VLO
=2.7V
Condition
fIF=130MHz
fRF=1960.0+1960.1MHz
fLO=2090MHz, PLO=-10dBm
V
MIX=VLO
=2.7V
-15
-10
-5
0
5
10
15
-4
-3
-2
-1
0
1
2
-40 -30 -20 -10 0 10
Output IP3 , Input IP3
vs. LO Power
OIP3 (dBm)
IIP3 (dBm)
LO Power (dBm)
OIP3
IIP3
-30
-25
-20
-15
-10
-5
0
5
-40 -35 -30 -25 -20 -15 -10 -5 0
IF Output Power vs. RF Power
IF Output Power (dBm)
RF Power (dBm)
-100
-80
-60
-40
-20
0
20
-40 -35 -30 -25 -20 -15 -10 -5 0
IF , IM3 vs. RF Power
IF , IM3 (dBm)
RF Power (dBm)
IF
IM3
-10
-5
0
5
10
15
4
6
8
10
12
14
-40 -30 -20 -10 0 10
Conversion Gain , Noise Figure
vs. LO Power
Conversion Gain (dB)
Noise Figure (dB)
LO Power (dBm)
Gc
NF
NJG1556KB2
- 9 -
n
TYPICAL CHARACTERISTICS (Continued)
Condition
fIF=130MHz
fRF=1960MHz, PRF=-30dBm
fLO=2090MHz, PLO=-10dBm
Condition
fIF=130MHz
fRF=1960.0+1960.1MHz
PRF=-30dBm
fLO=2090MHz, PLO=-10dBm
OIP3=
3xIF-IM3
2
IIP3=OIP3-Gc
Condition
fLO=2050~2130MHz
PLO=-10dBm
V
MIX=VLO
=2.7V
IF OUT Port: 50Ωterm.
Condition
fLO=2050~2130MHz
PLO=-10dBm
V
MIX=VLO
=2.7V
RF IN Port: 50Ωterm.
10
11
12
13
14
15
16
-2
-1
0
1
2
3
4
2.5 3 3.5 4 4.5
Output IP3 , Input IP3
vs. V
MIX
, V
LO
OIP3 (dBm)
IIP3 (dBm)
V
MIX
, VLO (V)
OIP3
IIP3
7
8
9
10
11
12
13
14
5
6
7
8
9
10
11
12
2.5 3 3.5 4 4.5
Conversion Gain , Noise Figure
vs. V
MIX
, V
LO
Conversion Gain (dB)
Noise Figure (dB)
V
MIX
, VLO (V)
Gc
NF
-12
-10
-8
-6
-4
-2
2050 2060 2070 2080 2090 2100 2110 2120 2130
LO to RF Isolation vs. LO Frequency
LO to RF Isolation (dB)
LO Frequency (MHz)
-29
-28
-27
-26
-25
-24
-23
2050 2060 2070 2080 2090 2100 2110 2120 2130
LO to IF Isolation vs. LO Frequency
LO to IF Isolation (dB)
LO Frequency (MHz)
NJG1556KB2
- 10 -
n
TYPICAL CHARACTERISTICS (Continued)
Condition
fIF=130MHz
fRF=1960MHz, PRF=-30dBm
fLO=2090MHz, PLO=-10dBm
V
MIX=VLO
=2.7V
Condition
fIF=130MHz
fRF=1960.0+1960.1MHz
PRF=-30dBm
fLO=2090MHz, PLO=-10dBm
V
=V
=2.7V
OIP3=
3xIF-IM3
2
IIP3=OIP3-Gc
Condition
fLO=2090MHz
PLO=-10dBm
V
MIX=VLO
=2.7V
IF OUT Port: 50Ωterm.
Condition
fLO=2090MHz
PLO=-10dBm
V
MIX=VLO
=2.7V
RF IN Port: 50Ωterm.
5
6
7
8
9
10
11
12
13
-4
-3
-2
-1
0
1
2
3
4
-50 0 50 100
Output IP3 , Input IP3 vs. Temperature
OIP3 (dBm)
IIP3 (dBm)
Temperature (oC)
OIP3
IIP3
-40
-35
-30
-25
-20
-15
-50 0 50 100
LO to IF Isolation vs. Temperature
LO to IF Isolation (dB)
Temperature (oC)
-12
-10
-8
-6
-4
-2
-50 0 50 100
LO to RF Isolation vs. Temperature
LO to RF Isolation (dB)
Temperature (oC)
8
9
10
11
12
13
14
15
3
4
5
6
7
8
9
10
-50 0 50 100
Conversion Gain , Noise Figure
vs. Temperature
Conversion Gain (dB)
Noise Figure (dB)
Temperature (oC)
Gc
NF
NJG1556KB2
- 11 -
n
TYPICAL CHARACTERISTICS (Continued)
RF IN Port Impedance LOCAL IN Port Impedance
(LOCAL IN Port, IF OUT Port : 50Ω term.) (RF IN Port, IF OUT Port : 50Ω term.)
IF OUT Port Impedance
(RF IN Port, LOCAL IN Port : 50Ω term.)
NJG1556KB2
- 12 -
n
APPLICATION CIRCUIT 1 (PDC 1.5GHz BAND)
n
RECOMMENDED PCB DESIGN 1 (PDC 1.5GHz BAND)
PRECAUTIONS
[1] Please locate L5 and R1 close to VLO terminal (6).
[2] Please locate C1 and C2 close to L5.
[3] Please locate C5 and C6 close to C3.
PARTS ID COMMENT
L1~L5,L7 TAIYO-YUDEN(HK1005)
L6 TAIYO-YUDEN(HK1608)
C1~C6 MURATA(GRM36)
R1,R2 1005 Size
1
2
3 4
5
6
LOIN
RFIN
GND
BPC
IFOUT
VLO
LOCAL IN
RF IN
IF OUT
V
LO
V
MIX
Z0=50Ω
Z0=50Ω
Z0=50Ω
L1
18nH
L2
15nH
L4
18nH
L5
6.8nH
L6
100nH
L7
47nH
C1
10pF
C3
9pF
C4
1000pF
C6
1000pF
R1
10Ω
C2
100pF
L3
15nH
C5
10pF
R2
2.7kΩ
PARTS LIST
PCB (FR-4), t=0.2mm
STRIP LINE WIDTH
=0.4mm (Z0=50Ω)
PCB SIZE
=16.7X19.1mm
IF OUT
LOCAL IN
RF IN
V
LO
V
MIX
L1
L2
L3
L4
L5
L7
L6
C2
C1
C3
C4
C5R1C6
R2
(Top View)
NJG1556KB2
- 13 -
n
APPLICATION CIRCUIT 2 (PCS 1.9GHz BAND)
n
RECOMMENDED PCB DESIGN 2 (PCS 1.9GHz BAND)
PRECAUTIONS
[1] Please locate L4 close to VLO terminal (6).
[2] Please locate C5 close to BPC terminal (5).
[3] Please locate C3 and C4 close to L4.
[4] Please locate C8 and C9 close to L6.
PARTS ID COMMENT
L1~L4,L6 TAIYO-YUDEN(HK1005)
L5 TAIYO-YUDEN(HK1608)
C1~C9 MURATA(GRM36)
1
2
3 4
5
6
LOIN
RFIN
GND
BPC
IFOUT
VLO
LOCAL IN
RF IN
IF OUT
V
LO
V
MIX
Z0=50Ω
Z0=50Ω
Z0=50Ω
L1
3.9nH
C2
4pF
L3
10nH
L4
4.7nH
L5
120nH
L6
56nH
C3
10pF
C6
8pF
C7
1000pF
C9
1000pF
C4
100pF
L2
12nH
C8
10pF
C1
1pF
C5
100pF
PCB (FR-4), t=0.2mm
STRIP LINE WIDTH
=0.4mm (Z0=50Ω)
PCB SIZE
=16.7X19.1mm
(Top View)
LOCAL IN
RF IN
IF OUT
V
LO
V
MIX
L1
L3
L2
C4
L4
L6
L5
C2
C1
C5
C7
C6
C3
C8
C9
PARTS LIST
NJG1556KB2
- 14 -
n
MEASURING BLOCK DIAGRAM
Conversion Gain Measuring Block Diagram
IF OUT
LOCAL IN
RF IN
SG
(LOCAL)
SG
(RF)
D.U.T.
PCB
Spectrum
Analyzer
V
MIX=VLO
=2.7V
BPF
BPF
IF OUT
LOCAL IN
RF IN
SG
(LOCAL)
D.U.T.
PCB
NF Meter
Noise
Source
Noise Figure Measuring Block Diagram
V
MIX=VLO
=2.7V
6dB
ATT
OIP3, IIP3 Measuring Block Diagram
IF OUT
RF IN
LOCAL IN
SG
(RF1)
SG
(RF2)
SG
(LOCAL)
D.U.T.
PCB
Spectrum
Analyzer
ATT
V
MIX=VLO
=2.7V
Power
Comb.
NJG1556KB2
- 15 -
nPACKAGE OUTLINE (FLP6-B2)
Lead material : Copper
Lead surface finish : Solder plating
Molding material : Epoxy resin
Unit : mm
Weight : 6.5mg
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 handle with
care to avoid these damages.
[CAUTION]
The specifications on this databook are only
given for information , without any guarantee
as regards either mistakes or omissions. The
application circuits in this databook are
described only to show representative usages
of the product and not intended for the
guarantee or permission of any right including
the industrial rights.
2.0±0.1
6 5 4
1 2 3
0.20.2
2.1±0.1
1.7±0.1
0.65 0.65
0.75±0.05
+0.1
0.2-0.05
+0.1
0.1 0.1
0.15-0.05
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