Sony GXB5005 User Manual page 3

Architecture
BPF
LNA
SAW
CXO
32.768kHz
TCXO
18.414MHz
TCXO
Freq.
Synthesizer
CPU
Down
Converter
LNA
1.023MHz
TCXO
Acquisition Block
RTC
CPU
CPU, Counter
Multiplier/
Divider DLL, D.MF, S/P
- 3 -
CXD2951
CMOS Radio Block
LPF
Tracking Block
ARM7TDMI
Time RAM/
Counter ROM
Computation & Control Block
GXB5005
1 bit
RF/IF Unit
Baseband Unit
Host I/O
Control signal
JTAG, GPIO, etc.
1.8V
Regulator