ALM-1712
GPS Filter-LNA-Filter Front-End Module
Data Sheet
Description
Features
Avago Technologies’ALM-1712 is a GPS front-end module Very Low Noise Figure : 1.65 dB typ
that combines a low-noise amplifier (LNA) with GPS FBAR
filters. The LNA uses Avago Technologies’proprietary GaAs
Enhancement-mode pHEMT process to achieve high gain
Exceptional Cell/PCS-Band rejection
Advanced GaAs E-pHEMT & FBAR Technology
with very low noise figure and high linearity. Noise figure Low external component count
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
Shutdown current : < 1 uA
CMOS compatible shutdown pin (SD)
utilizes an Avago Technologies’ leading-edge FBAR filter ESD : > 3kV at RFin pin
for exceptional rejection at Cell/PCS-Band frequencies.
1mm typical thickness
The low noise figure and high gain, coupled with low
current consumption make it suitable for use in critical
low-power GPS applications or during low-battery
situations.
Adjustable bias current via single external resistor/
voltage
Useable down to 1.0V supply voltage
3
Small package dimension: 4.5(L)x2.2(W)x1(H) mm
Component Image
Meets MSL3, Lead-free and halogen free
3
Surface Mount 4.5 x 2.2 x 1 mm 12-lead MCOB
Specifications (Typical performance @ 25°C)
Gnd
Vdd
Gnd
At 1.575GHz, Vdd = 2.7V, Idd = 8.0mA
(pin 12) (pin 11) (pin 10)
RF in (pin 1)
Gnd (pin 9)
RF Out (pin 8)
Gnd (pin 7)
Gain = 12.8 dB
1712
NF = 1.65 dB
Gnd (pin 2)
Gnd (pin 3)
TOP VIEW
YMXXXX
IIP3 = +7 dBm, IP1dB = +3 dBm
S11 = -9 dB, S22 =-10 dB
Cell-Band Rejection: > 95dBc
PCS-Band Rejection: > 90dBc
Vsd
(pin 5)
Gnd
(pin 4)
Gnd
(pin 6)
Gnd
Vdd
Gnd
(pin 10) (pin 11) (pin 12)
Application
Gnd (pin 9)
RF Out (pin 8)
Gnd (pin 7)
RF in (pin 1)
Gnd (pin 2)
Gnd (pin 3)
GPS Front-end Module
Attention: Observe precautions for
handling electrostatic sensitive devices.
For RF_IN (Pin 1): ESD Human Body Model = 3 kV
Gnd
(pin 6)
Vsd
(pin 5)
Gnd
(pin 4)
BOTTOM VIEW
All other pins:
ESD Machine Model = 40 V
ESD Human Body Model = 250 V
Note:
Package marking provides orientation and identification
“1712” = Product Code
“Y”
Refer to Avago Application Note A004R:
Electrostatic Discharge, Damage and Control.
= Year of manufacture
= Month of manufacture
“M”
“XXXX” = Last 4 digit of lot number