User Guide

DUPLEXER
1ST LO
SYNTH
(966.87+/-
12.5 MHz)
PA
LNA
PLL
&
VCO
VCO
D/A CONV.
&
Filter
A/D CONV.
&
Filter
A/D CONV.
&
Filter
80186 16BIT
CPU
USER
INTERFACE
MOD.
&
DEMOD
FM DATA
PROCESSOR
FM AUDIO
PROCESSOR
Interleaver
&
Encoder
Deinterleaver
&
Decoder
Vocoder
EEPROM
256K BITS
FLASH MEMORY
8M FLASH
COMBINATION MEMORY
8M FLASH + 2M SRAM
LCD
&
KEY
PCM
CODEC
I
Q
I
Q
IF AGC
AMP
IF AGC
AMP
IF BPF
MIC
SPK
BATTERY
550mAh
1000mAh
1600mAh
Regulator
Regulator
Regulator
Regulator
DC/DC
CONV.
3.6V
3.3VT
3.3BBA
3.3AV
3.3V
SCH - 811 BLOCK DIAGRAM
824~894 MHz
869~894 MHz
130.38 MHz
85.38 MHz
3.7V
RF SAW
FILTER
2 nd RF
SAW
FILTER
1 st RF
SAW
FILTER
Driver
Amp
Regulator
3.3VRC
EVRC
EXT
Vocoder
I/F
RF AMP
10-1 Main Block Diagram