NJG1555KB2
- 1 -
800MHz BAND MIXER GaAs MMIC
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GENERAL DESCRIPTION
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PACKAGE OUTLINE
NJG1555KB2 is a mixer GaAs MMIC features low
distortion, high conversion gain and low noise figure.
NJG1555KB2 includes a mixer and a local amplifier,
and ideally suitable for 800MHz band digital mobile
phone handsets.
An ultra small & ultra thin FLP6-B2 package is adopted.
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FEATURES
l
Low voltage operation
+2.7V
l
High conversion gain
12dB typ.
@f
RF
=820MHz, P
LO
=-15dBm
l
High Input IP3
+1dBm typ.
@f
RF
=820.0+820.1MHz, P
LO
=-15dBm
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Low noise figure
5dB typ.
@f
RF
=820MHz, P
LO
=-15dBm
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Ultra small & ultra thin package
FLP6-B2 (Mount Size: 2.1x2.0x0.75mm)
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PIN CONFIGURATION
Pin Connection
1. LOIN
2. GND
3. RFIN
4. IFOUT
5. BPC
6. VLO
03/22/2000 Ver.5
TENTATIVE
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.
NJG1555KB2
1
2
3
4
5
6
KB2 Type
(Top View)
NJG1555KB2
- 2 -
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ABSOLUTE MAXIMUM RATINGS
(T
a
=25C, Z
s
=Z
l
=50
)
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, V
LO
=2.7V
10
dBm
Mixer LO Input Power
P
LOIN
V
MIX
=2.7V, V
LO
=2.7V
10
dBm
Power Dissipation
P
D
450
mW
Operating Temperature
T
opr
-40~+85
C
Storage Temperature
T
stg
-55~+125
C
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ELECTRICAL CHARACTERISTICS
GENERAL CONDITIONS: T
a
=25C, V
MIX
=2.7V, V
LO
=2.7V, f
RF
=820MHz, f
LO
=690MHz
P
RF
=-30dBm, P
LO
=-15dBm, Z
s
=Z
l
=50
, with test circuit
PARAMETERS
SYMBOL
CONDITIONS
MIN
TYP
MAX
UNITS
Operating Frequency
freq
800
820
900
MHz
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
P
RF
=OFF, P
LO
=OFF
-
5.0
7.0
mA
Local Amplifier
Current
I
LO
P
RF
=OFF, P
LO
=OFF
-
1.0
1.6
mA
Conversion Gain
G
C
10.0
12.0
-
dB
Input 3rd Order
Intercept point
IIP3
f
RF
=820.0MHz+820.1MHz
-1.0
+1.0
-
dBm
Noise Figure
NF
-
5.0
6.0
dB
LO to RF Isolation
ISL
IF OUT Port : 50
term.
-
9.0
-
dB
NJG1555KB2
- 3 -
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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 (L6) 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 & L4 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.
NJG1555KB2
- 4 -
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TYPICAL CHARACTERISTICS (f
LO
=690MHz)
2
4
6
8
10
12
14
2
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
0
2
4
6
8
10
12
14
16
-4
-3
-2
-1
0
1
2
3
4
-40
-30
-20
-10
0
10
Output IP3 , Input IP3
vs. LO Power
OIP3 (dBm)
IIP3 (dBm)
LO Power (dBm)
OIP3
IIP3
Condition
f
IF
=130MHz
f
RF
=820MHz, P
RF
=-30dBm
f
LO
=690MHz
V
MIX
=V
LO
=2.7V
Condition
f
IF
=130MHz
f
RF
=820.0+820.1MHz
P
RF
=-30dBm
f
LO
=690MHz
V
MIX
=V
LO
=2.7V
OIP3=
3xIF-IM3
2
IIP3=OIP3-Gc
-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)
Condition
f
IF
=130MHz
f
RF
=820MHz
f
LO
=690MHz, P
LO
=-15dBm
V
MIX
=V
LO
=2.7V
-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
Condition
f
IF
=130MHz
f
RF
=820.0+820.1MHz
f
LO
=690MHz, P
LO
=-15dBm
V
MIX
=V
LO
=2.7V
NJG1555KB2
- 5 -
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TYPICAL CHARACTERISTICS (Continued)
7
8
9
10
11
12
13
14
4
5
6
7
8
9
10
11
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
, V
LO
(V)
Gc
NF
9
10
11
12
13
14
15
16
0
0.5
1
1.5
2
2.5
3
3.5
2.5
3
3.5
4
4.5
Output IP3 , Input IP3
vs. V
MIX
, V
LO
OIP3 (dBm)
IIP3 (dBm)
V
MIX
, V
LO
(V)
OIP3
IIP3
Condition
f
IF
=130MHz
f
RF
=820MHz, P
RF
=-30dBm
f
LO
=690MHz, P
LO
=-15dBm
Condition
f
IF
=130MHz
f
RF
=820.0+820.1MHz
P
RF
=-30dBm
f
LO
=690MHz, P
LO
=-15dBm
OIP3=
3xIF-IM3
2
IIP3=OIP3-Gc
-14
-12
-10
-8
-6
-4
-2
0
660
680
700
720
740
760
780
LO to RF Isolation vs. LO Frequency
LO to RF Isolation (dB)
LO Frequency (MHz)
-45
-40
-35
-30
-25
-20
-15
660
680
700
720
740
760
780
LO to IF Isolation vs. LO Frequency
LO to IF Isolation (dB)
LO Frequency (MHz)
Condition
f
LO
=670~770MHz
P
LO
=-15dBm
V
MIX
=V
LO
=2.7V
IF OUT Port: 50
term.
Condition
f
LO
=670~770MHz
P
LO
=-15dBm
V
MIX
=V
LO
=2.7V
RF IN Port: 50
term.
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