– 5-2 –
Figure 5.1. : RF Function Block Diagram
5.1.2. RF Function Block
ANTENNA SWITCH
BASEBAND
GSM
GSM
DCS
DCS
PCS
PCS
CP
DIV
TLCPO
VCPO
UVTUNE
TXVCO
13 MHz
DIV
90
PA
PA
RXI+
RXI–
RQI+
RQI–
TXI+
TXI–
TQI+
TQI–
T/H
DATA, CLK, LE
FRQ
DCOC
LNA800IN
LNA1800IN
LNA1900IN
Σ∆
FRAC-N PLL
DCOC
DCOC
Σ
LOG EN
LOG EN
SKY77324
SKY74963