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PDF NJG1128HB6 Data sheet ( Hoja de datos )
| Número de pieza | NJG1128HB6 | |
| Descripción | 450MHz Band LNA GaAs MMIC | |
| Fabricantes | New Japan Radio | |
| Logotipo |  |
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NJG1128HB6
450MHz Band LNA GaAs MMIC
!GENERAL DESCRIPTION
NJG1128HB6 is a LNA IC designed for 450MHz band CDMA
cellular phone. This IC has the function which bypasses LNA, and
high gain mode or low gain mode can be chosen.
High IIP3 and a low noise are achieved at the High gain mode.
And low current consumption can be achieved at the low gain mode
because LNA enters the state of the standby.
A small and thin package of USB8 is adopted.
!PACKAGE OUTLINE
NJG1128HB6
!FEATURES
"Low voltage operation
"Low control voltage operation
+2.8V typ.
+1.85V typ.
[LNA High Gain Mode]
"High Input IP3
"Low noise figure
+11.0dBm typ.
1.4dB typ.
@ f=460-470MHz
@ f=460-470MHz
[LNA Low Gain Mode]
"Low current consumption
"High Input IP3
15uA typ.
+21.0dBm typ.
@ f=460-470MHz
"Small & thin package
USB8-B6 (Package size: 1.5mm x1.5mm x 0.55mm typ.)
!PIN CONFIGURATION
5
6
(Top View)
4
Bypass circuit
LNA Circuits
Bias
Circuit
Logic
Circuit
7
3
2
1
Pin Connection
1.VINV
2.GND
3.RF OUT
4.GND
5.RF IN
6.GND
7. VCTL
8. GND
8
1 Pin INDEX
Note: Specifications and description listed in this catalog are subject to change without prior notice.
Ver.2007-4-23
-1-
1 page  
NJG1128HB6
!ELECTRICAL CHARACTERISTICS (LNA High Gain Mode)
(General Conditions: Ta=+25°C, VDD=VINV=2.8V, VCTL=1.85V, Zs=Zl=50Ω)
Pout vs. Pin
(f=465MHz)
20
20
Gain, IDD vs. Pin
(f=465MHz)
P-1dBout=+9.4dBm
10
Gain
15
0
-10
-20
-30
-40
Pout
Gain 1dB Compression Line
P-1dBin=-4.6dBm
-30 -20 -10
Pin (dBm)
0
10
10
IDD
5
P-1dBin=-4.6dBm
0
-40 -30 -20 -10
0
Pin (dBm)
16
14
12
10
8
10
Pout, IM3 vs. Pin
(f1=465MHz, f2=f1+100kHz)
40
OIP3=+26.1dBm
20
0
Pout
-20
-40
-60
-80
-40
IM3
IIP3=+10.9dBm
-30 -20 -10 0 10
Pin (dBm)
OIP3, IIP3 vs. frequency
(f1=400~500MHz, f2=f1+100kHz, Pin=-25dBm)
28
15
27 14
26
OIP3
25
13
12
24 11
IIP3
23 10
22 9
21 8
20
400
420 440 460 480
frequency (MHz)
7
500
NF, Gain vs. frequency
(f=400~500MHz)
4.0 18
3.5 17
3.0 16
Gain
2.5 15
2.0 14
1.5 NF
1.0
13
12
0.5
0.0
400
11
(NF: Exclude PCB & Connector Losses)
420 440 460 480
frequency (MHz)
10
500
-5-
5 Page 
NJG1128HB6
!ELECTRICAL CHARACTERISTICS (LNA Low Gain Mode)
(General Conditions: Ta=+25°C, VDD=VINV=2.8V, VCTL=0V, Zs=Zl=50Ω)
Gain, NF vs. VDD, VINV
(f=465MHz)
0.0 4.0
11
-0.5 3.5
NF 10
-1.0 3.0
-1.5 2.5 9
-2.0 2.0
-2.5 1.5 8
-3.0 Gain
-3.5
1.0
7
0.5
-4.0 0.0
2.4 2.6 2.8 3.0 3.2 3.4 3.6
VDD, VINV (V)
6
2.4
P-1dB(OUT) vs. VDD, VINV
(f=465MHz)
P-1dB(OUT)
2.6 2.8 3.0 3.2 3.4 3.6
VDD, VINV (V)
OIP3, IIP3 vs. VDD, VINV
(f1=465MHz, f2=f1+100kHz, Pin=-12dBm)
32 30
30 28
28 26
26 24
IIP3
24 22
22 20
20
OIP3
18
18
16
16 14
2.4 2.6 2.8 3.0 3.2 3.4 3.6
VDD, VINV (V)
VSWRi, VSWRo vs. VDD, VINV
(f=465MHz)
4.0 4.0
3.5 3.5
3.0 3.0
2.5 VSWRi
2.5
2.0 2.0
1.5 1.5
VSWRo
1.0 1.0
0.5 0.5
0.0 0.0
2.4 2.6 2.8 3.0 3.2 3.4 3.6
VDD, VINV (V)
IDD, IINV vs. VDD, VINV
(RF OFF)
4.0 40
3.5 35
3.0 30
2.5 25
2.0 20
IINV
1.5 15
1.0 10
0.5
IDD
5
0.0 0
2.4 2.6 2.8 3.0 3.2 3.4 3.6
VDD, VINV (V)
- 11 -
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| PDF Descargar | [ Datasheet NJG1128HB6.PDF ] | |
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