NJG1553BF
- 1 -
1.9GHz BAND MIXER GaAs MMIC
n
GENARAL DESCRIPTION nPACKAGE OUTLINE
NJG1553BF is a GaAs MMIC MIXER IC with built-in
local amplifier for 1.9GHz PCS applications.
This mixer features high conversion gain, low noise
figure and low distortion.
NJG1553BF
nFEATURES
lLow Voltage Operation +2.7V
lLow Current Consumption 7.0mA
lHigh Conversion Gain 11dB typ. @fRF=1960MHz, PRF=-30dBm
fLO=2090MHz, PLO=-10dBm
lLow noise figure 7dB typ. @fRF=1960MHz, fLO=2090MHz, PLO=-10dBm
lHigh Input IP3 -1dBm typ. @f
lSmall package MTP6 (Mount Size: 2.8x2.9x1.2mm)
nPIN CONFIGURATION
=1960.0MHz, f
RF1
fLO=2090MHz, PLO=-10dBm
=1960.1MHz, PRF=-30dBm
RF2
F Type
(Top View)
1
2
3
NOTE: Please note that any information on this catalog will be subject to change.
Package orientation mark
6
Pin Connection
1. IFOUT
2. BPC
5
4
3. VLO
4. LOIN
5. GND
6. RFIN
NJG1553BF
- 2 -
nABSOLUTE MAXIMUM RATINGS
PARAMETER SYMBOL CONDITIONS RATINGS UNITS
Mixer Supply Voltage V
Local amp. Supply Voltage V
Mixer RF Input Power P
Mixer LO Input Power P
Power Dissipation P
Operating Temperature T
Storage Temperature T
MIX
LO
RFIN
LOIN
D
opr
stg
nRECOMMENDED OPERATING RANGE
V
MIX=VLO
V
MIX=VLO
(Ta=25°C, Zs=Zl=50Ω)
6.5 V
6.5 V
=2.7V 10 dBm
=2.7V 10 dBm
150 mW
-30~+85 °C
-40~+150 °C
PARAMETER SYMBOL
Supply Voltage Mixer V
Supply Voltage Local Amp. V
MIX
LO
CONDITIONS
MIN TYP MAX UNITS
2.5 2.7 5.8 V
2.5 2.7 5.8 V
nELECTRICAL CHARACTERISTICS (DC CHARACTERISTICS)
PARAMETER SYMBOL CONDITIONS MIN TYP MAX UNITS
Mixer Current I
Local Amp. Current I
MIX
LO
PRF=OFF, PLO=OFF - 5.0 7.0 mA
PRF=OFF, PLO=OFF - 2.0 3.2 mA
nELECTRICAL CHARACTERISTICS (AC CHARACTERISTICS)
(V
MIX=VLO
Operating RF Frequency freq 1930 1960 1990 MHz
Conversion Gain G
Input 3rd Order
Intercept Point
Noise Figure NF - 7.0 8.5 dB
=2.7V, fRF=1960MHz, fLO=2090MHz, fIF=130MHz, PRF=-30dBm, PLO=-10dBm, Ta=25ºC,
Zs=Zl=50Ω, Measuring Test Circuit)
PARAMETER SYMBOL CONDITIONS MIN TYP MAX UNITS
C
9 11 - dB
IIP3 fRF=1960.0+1960.1MHz - -1 - dBm
NJG1553BF
- 3 -
nTERMINAL EXPLANATION
PIN No. SYMBOL DESCRIPTIONS
1 IFOUT
2 BPC Bypass capacitor terminal of mixer.
3 VLO
4 LOIN
5 GND
6 RFIN
IF signal output terminal of mixer.
External matching circuit is required.
Please connect mixer power supply through inductor (L6,
L7) as shown in test circuit.
Please place bypass capacitors (C6, C7, C8) close to C2.
Local amplifier power supply terminal.
Please place R1 and L5 close to this terminal as shown in
test circuit, and place bypass capacitors (C3, C4) close to
R1 and L5.
Local power input terminal of local amplifier.
External matching circuit is required.
Ground terminal (0V).
Please place grounding VIAs as close as possible.
RF signal input terminal of mixer.
External matching circuit is required.
NJG1553BF
- 4 -
nTYPICAL CHARACTERISTICS
Conversion Gain,NF vs. RF frequency
OIP3,IIP3 vs. RF frequency
Conversion Gain,NF vs. LO Power
OIP3,IIP3 vs. LO Power
IF,IM3 vs. RF Power
V
MIX=VLO
=2.7V,I
=5.0mA,ILO=1.9mA,
MIX
fIF=130MHz,Upper LOCAL,PRF=-30dBm,PLO=-10dBm
12
11.5
11
10.5
10
9.5
9
8.5
Conversion Gain(dB)
8
7.5
7
1930 1940 1950 1960 1970 1980 1990
Conversion Gain
NF
10
9.5
9
8.5
8
7.5
7
6.5
6
5.5
5
RF frequency(MHz)
V
MIX=VLO
=2.7V,I
=5.0mA,ILO=1.9mA,
MIX
fRF=1960MHz,fLO=2090MHz,fIF=130MHz,PRF=-30dBm
12
10
8
Convsrsion Gain
20
18
16
NF(dB)
V
MIX=VLO
=2.7V,I
=5.0mA,ILO=1.9mA,
MIX
Upper LOCAL,PRF=-30dBm,PLO=-10dBm
13
12
11
10
9
OIP3
OIP3(dBm)
8
7
6
1930 1940 1950 1960 1970 1980 1990
IIP3
RF frequency(MHz)
V
MIX=VLO
=2.7V,I
=5.0mA,ILO=1.9mA,
MIX
fRF=1960.0+1960.1MHz,fLO=2090MHz,PRF=-30dBm
15
OIP3
10
6
5
4
3
2
1
0
-1
4
2
IIP3(dBm)
6
4
2
0
Conversion Gain(dB)
-2
-4
-30 -25 -20 -15 -10 -5 0 5
NF
LO Power(dBm)
V
MIX=VLO
=2.7V,I
=5.0mA,ILO=1.9mA,
MIX
fRF=1960.0+1960.1MHz,fO=2090MHz,PO=-10dBm
10
OIP3=11.5dBm
0
IIP3=0.5dBm
-10
-20
-30
-40
IF,IM3(dBm)
-50
IF
14
12
NF(dB)
10
8
6
4
5
0
OIP3(dBm)
-5
-10
-35 -30 -25 -20 -15 -10 -5 0 5
IIP3
0
-2
-4
-6
IIP3(dBm)
LO Power(dBm)
-60
-70
-80
-40 -35 -30 -25 -20 -15 -10 -5 0
IM3
RF Power(dBm)
NJG1553BF
- 5 -
n
TYPICAL CHARACTERISTICS
RFIN port Impedance
LOIN port Impedance
IFOUT port Impedance
NJG1553BF
- 6 -
nAPPLICATION CIRCUIT
PART ID
C1 1000pF MURATA(GRM39)
C2 10pF MURATA(GRM39)
C3 10pF MURATA(GRM39)
C4 100pF MURATA(GRM39)
C5 1000pF MURATA(GRM39)
C6 10pF MURATA(GRM39)
C7 100pF MURATA(GRM39)
C8 1000pF MURATA(GRM39)
R1
R2
Table: The parts used in the circuit above
PCS BAND
Upper
LOCAL
fLO=2090MHz
fIF=130MHz
L1 8.2nH TAIYO-YUDEN(HK1608)
L2 8.2nH TAIYO-YUDEN(HK1608)
L3 3.9nH TAIYO-YUDEN(HK1608)
L4 10nH TAIYO-YUDEN(HK1608)
L5 4.7nH TAIYO-YUDEN(HK1608)
L6 100nH TAIYO-YUDEN(HK1608)
L7 56nH TAIYO-YUDEN(HK1608)
180Ω
82Ω
Remarks
1608 Size
1608 Size
NJG1553BF
- 7 -
nRECOMMENDED PCB DESIGN
RFIN
MIX
IFOUT
V
LO
LOIN
C5
L7
C4
C3
R1
L5
NJG1553BF
L3 L1
L4
R2
C1
L6
C2
L2
C8
C7
C6
V
PCB: FR-4 t=0.5mm
Microstrip Line Width=1mm
PCB Size: 22.5x30.0mm
PRECAUTIONS
[1] Please place a inductor L1 at about 3.5mm distance from RFIN terminal (Pin #6).
[2] Please place a inductor L3 at about 3.5mm distance from LOIN terminal (Pin #4).
[3] Please place a capacitor C1 close to by-pass capacitor terminal (Pin #2).
[4] Please place capacitors C6, C7, C8 close to C2.
[5] Please place capacitors C3, C4 close to R1 and L5.
NJG1553BF
- 8 -
n
MEASURING BLOCK DIAGRAM
SG
(RF1)
SG
(RF2)
Noise
Source
ISO.1
6dB ATT
Power
Comb.
ISO.2
RFIN
SG
(LO)
IF, IM3 Measuring Block Diagram
BPF
V
MIX=VLO
6dB ATT
=2.7V
RFIN
DUT
LOIN
DUT
IFOUT
LOIN
V
MIX=VLO
IFOUT
=2.7V
Spectrum
Analyzer
NF
Meter
BPF
SG
(LO)
Noise Figure Measuring Block Diagram
NJG1553BF
- 9 -
nPACKAGE OUTLINE (MTP6)
care to avoid these damages.
Lead material : Copper
Lead surface finish : Solder plating
Molding material : Epoxy resin
Unit : mm
Weight : 14mg
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
[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.
Loading...