User Guide

7-1
7. Block Diagram
Samsung Electronics
SC H -8500(DBDM)BLOCK DIAGRAM
LN A
RX AGC
VCO
AMPS DUPLEXER
PLL
VCT CXO
TX AGC
A/D
FILTER
A/D
FILTER
D/A
FILTER
PLL
MSM3000
VCO
VCO
DIVIDE
2
DIVIDE
2
I
I
Q
Q
LN A
PA
PA
DA
VCO
PCS DUPLEXER
ANT
PCS 1930~1990M Hz AM PS 869~ 894M Hz
PCS 210.38M H z AM PS 85.38M HZ
PCS 1850~1910M Hz AM PS 824~849M H z
ISO
IFR 3000
PCS /CDM A
AM PS
ISO
IFT3000
PCS /AM PS
130.38M H z
DA
PLL m odule
RX AGC
PCS
AM PS
Q/I
PCS
PCS
PCS
AM PS
AM PS
AM PS
Memory
[32M & 4M ]
Codec
K eypad
LCD
Rx tan k
Tx T ank
MRFIC 1854
PA M odule