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PDF ALM-GN002 Data sheet ( Hoja de datos )
| Número de pieza | ALM-GN002 | |
| Descripción | GNSS LNA-Filter Front-End Module | |
| Fabricantes | AVAGO | |
| Logotipo |  |
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ALM-GN002
GNSS LNA-Filter Front-End Module
with optional Differential Outputs
Data Sheet
Description
Avago Technologies’ ALM-GN002 is an ultra low-noise
GNSS (Global Navigation Satellite System) front-end
module that combines a low-noise amplifier (LNA) with
a GNSS FBAR post-LNA filter, supporting both GPS and
GLONASS operating in 1565 ~ 1606 MHz frequency range.
The module can be used both as a single-ended and
pre-matched differential outputs. The LNA uses Avago
Technologies’ proprietary GaAs Enhancement-mode
pHEMT process to achieve high gain with very low noise
figure and high linearity. Noise figure distribution is very
tightly controlled. A CMOS-compatible shutdown pin
is included either for turning the LNA on/off, or for
current adjustment. The integrated filter utilizes an Avago
Technologies’ leading-edge FBAR filter for exceptional
rejection at Cellular, DCS, PCS and WLAN band frequen-
cies. Bypass functionality with an external RF switch is
possible with separate RF switching.
The ALM-GN002 is usable down to 1.8 V operation. It
achieves low noise figures and high gain even at 1.8 V,
making it suitable for use in critical low power GNSS band
applications.
Component Image
Surface Mount (2.5 x 2.0 x 0.90) mm3 8-lead MCOB
Vdd (pin 1)
RFin (pin 2)
Gnd (pin 3)
Vsd (pin 7)
RFOut (pin 6)
RFOut+ (pin 5)
Gnd (pin 8)
AVAGO
GN002
MYWDXX
Gnd (pin 4)
TOP VIEW
Gnd (pin 8)
Gnd (pin 4)
BOTTOM VIEW
Vsd (pin 7)
RFOut (pin 6)
RFOut+ (pin 5)
Vdd (pin 1)
RFin (pin 2)
Gnd (pin 3)
Note:
Package marking provides
orientation and identification
“GN002” = Product Code
“M” = Manufacturing
location
“Y” = Year of manufacture
“D” = Date Code
“W” = Work week
“XX” = Last four digits of lot
number
Features
• Operating temperature range -40 to +85 °C
• Very Low Noise Figure: 0.97 dB typ.
• Exceptional Cell/DCS/PCS/WLAN-Band rejection
• Advanced GaAs E-pHEMT & FBAR Technology
• Shutdown current : < 1 mA
• CMOS compatible shutdown pin (SD)
• ESD : > 3 kV at RFin pin
• 0.90 mm typ. package thickness
• Adjustable bias current via single control voltage pin
• Small package dimension: 2.5(L) x 2.0(W) x 0.9(H) mm3
• Meets MSL3, Lead-free and halogen free
Specifications (Typical performance at 25° C)
At 1.575 GHz, Vdd = 2.7 V, Idd = 6.2 mA
• Gain = 17.2 dB
• NF = 0.97 dB
• IIP3 = 0d Bm, IP1dB = -8 dBm
• S11 = -8 dB, S22 = -13 dB
• Rejection at 824 – 915 MHz: 73 dBc
• Rejection at 1710 – 1785 MHz: 64 dBc
• Rejection at 1850 – 1910 MHz: 72 dBc
• Rejection at 2400 – 2570 MHz: 74 dBc
Application
• GNSS Front-end Module
Attention: Observe precautions for
handling electrostatic sensitive devices.
ESD Machine Model = 50 V
ESD Human Body Model = 250 V
Refer to Avago Application Note A004R:
Electrostatic Discharge, Damage and Control.
1 page  
ALM_GN002_01
Circuit Symbol
L1
L2
L3
L4
L5
C1
C2
C3
C4
C5
R1
R2
R3
Size
0402
0402
0402
0402
0402
0402
0402
0805
0402
0402
0402
0402
0402
Description
5.6 nH Inductor (Taiyo Yuden HK10055N6S-T)
10 nH Inductor (Taiyo Yuden HK100510NJ-T)
22 nH Inductor (Taiyo Yuden HK100522NJ-T)
2.2 nH Inductor (Taiyo Yuden HK10052N2S-T)
10 nH Inductor (Taiyo Yuden HK100510NJ-T)
1.6 pF Capacitor (Murata GJM1555C1H1R6CB01D)
100 pF Capacitor (Murata GRM1555C1H101JD01E)
0.1 mF Capacitor (Murata GRM21BR71H104KA01L)
33 pF Capacitor (Murata GRM1555C1H330JZ01D)
6.8 pF Capacitor (Murata GJM1555C1H6R8DB01D)
12 Ohm Resistor (Rohm MCR01MZSJ120)
3.3 kohm (KOA RK73B1ETTP332J)
0 Ohm (Kamaya RMC1/16S-JPTH)
Figure 1. Demoboard and application circuit components table for differential output
5
5 Page 
-65
-70
-75
-80
-85
-90
-95
2345678
Idd (mA)
Figure 15. Rejection at 1850 MHz relative to 1.575 GHz vs. Idd
25° C
-40° C
85° C
9 10
-65
25° C
-70
-40° C
85° C
-75
-80
-85
-90
-95 2 3 4 5 6 7 8
Idd (mA)
Figure 16. Rejection at 2400 MHz relative to 1.575 GHz vs. Idd
9
10
5
4
3
2
1
0
0 5 10 15
freq, GHz
Figure 17. Edwards-Sinsky Output Stability Factor (Mu)
5
4
3
2
1
0
20 0 5 10 15
freq, GHz
Figure 18. Edwards-Sinsky Input Stability Factor (Mu')
20
11
11 Page | ||
| Páginas | Total 21 Páginas | |
| PDF Descargar | [ Datasheet ALM-GN002.PDF ] | |
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