– 5-4 –
❏
Functional Description
Figure 5.3. Functional block diagram
Switch Mode
VC1
VC2
GSM-TX
0.0 V
−
0.2 V
2.4 V
−
2.8 V
DCS-TX
2.4 V
−
2.8 V
0.0 V
−
0.2 V
GSM/DCS-RX
0.0 V
−
0.2 V
0.0 V
−
0.2 V
Rxqn
Rxqp
Rxip
Rxin
Txqn
Txqp
Txip
Txin
U341
U321
U301
F322
F321
U342
Transceiver
LNA
LE
APC
AFC
VC1
VC2
Data
CLK
PA module
Tx-VCO
LO
Quad-band
TR switch
Quad-band
PA
26 MHz
Fref
TxDCS/PCS
TxGSM
TxDCS/PCS
TxGSM
ANT
GSM
RF SAW
DCS/PCS
RF SAW
Содержание EB-X100
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