AMY-5M - Hardware Integration Manual
GPS.G5-MS5-08207-A3
Preliminary
Design-in
Page 38 of 54
u-blox
5 LNA
u-
blox GPS
receiver
CDMA, GSM,
WCDMA, etc.
Figure 28: Measures against out-band interference
2.11.8
Recommended parts
Manufacturer
Part ID
Remarks
Parameters to consider
Diode
ON Semiconductor
ESD9R3.3ST5G
ESD9L3.3ST5G
ESD9L5.0ST5G
(2.11.3 B) Standoff Voltage>3.3V
(2.11.3 B) Standoff Voltage>3.3V
(2.11.3 B) Standoff Voltage>5V
• Low Capacitance < 0.5pF
• Standoff Voltage > Voltage for
active antenna
• Low Inductance
SAW
Epcos
B9444
: B39162-B9444-M410
B7839
: B39162-B7839-K410
(2.11.5) 15dBm Max Power
Input
(2.11.5) 25dBm Max Power
Input
Murata
SAFEA1G57KD0F00
SAFSE1G57KA0T90
(2.11.5) 1.35x1.05x0.5 mm
(2.11.5) 2.5x2.0x1.0 mm
• Low-loss RF filter for GPS
• Unbalanced to unbalanced
operation
• Insertion Loss
• Bandwith and BW over
temperatur
• Electrostatic Sensitive Device
(ESD MM)
CTS
CER0032A
(2.11.5) 4.2x4.0x2.0 mm
> 8kV ESD HBM
LNA
Avago
ALM-1106
ALM-1412
ALM-1712
ALM-2412
(2.11.3 A) LNA
(2.11.5 C) LNA + FBAR Filter
(2.11.5 C) LNA + FBAR
Filter
(2.11.3 A) LNA + FBAR Filter
pHEMT (GaAS)
MAXIM
MAX
(2.11.3 A) LNA
SiGe
Inductor
Murata
LQG15HS27NJ02
Impedance @ freq GPS > 500
Ohm
Capacitor
Murata
GRM1555C1E470JZ01
(2.11.5 D) C, 47p
Ferrite
Bead
Murata
BLM15HD102SN1
(2.11.5 D) FB
High IZI @ fGSM
Feed thru
Capacitor
for Signal
Murata
NFL18SP157X1A3
NFA18SL307V1A45
Monolithic Type
Array Type
Load Capacitance appropriate to
Baude rate
CL < xxx pF
Feed thru
Capacitor
for VCC
Murata
NFM18PC
NFM21P
0603 2A
0805 4A
Rs < 0.5 Ohm
Table 8: Recommended parts for ESD/EOS protection
