鈥?/div>
Very Low Power Design (鈮?50 mW)
Single IF Concept
2-bit ADC on Chip
Small QFN Package (28 Pins)
Highly Integrated, Few External Components
UHF6 Technology
Electrostatic sensitive device.
Observe precautions for handling.
GPS
Front-end IC
ATR0600
Description
With the growing importance of mobile communication, location awareness is a key
feature for more and more products and services. Due to its small size and minimal
power consumption, the GPS front-end IC ATR0600 is an ideal solution for mobile
applications and navigation systems.
Figure 1.
Block Diagram
96.76 MHz
1575.42 MHz
LC-BP
VS3
LNA
RFIN
Preliminary
Ant
BP NBP
BPI
NBPI
REF
VDIG
Dig. IF at 4.35 MHz
SIGH
SAW
RFNIN
VGA amp
BP-Filter
SIGL
SC 23.104 MHz
OR
AGCO
VCO
1478.6
MHz
64
1
1
4
Power
control
GC
PFD
XTO
P2
VS1
VS2
VS5
VS7
X
XTO
NXTO NX P1
23.104 MHz
Rev. 4536F鈥揋PS鈥?0/03