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Block Diagrams
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7-2
7-2. RF Blcok Diagram
GSM TX
DPCS TX
PAM
SKY77336-13
ATTN
ATTN
PAM
TX(GSM850/900)
TX (DPCS)
BAND SELECT / GSM PA PAM CTL
SAW DPX
ATTN
CPLR
B7953
SAW DPX
B7696
PAM
ATTN
Trans
mitters
ACPM-5208-SG1
ACPM-5021-SG1
RF
PWR
DETECT
RECEIVERS
QSC 6240T
BASE
BAND
T
C
X
O
RX(GSM 850)
RX(DCS)
RX(PCS)
TRK_LO
ADJ
TCXO
FEM
D5023
RX( GSM / UMTS 900 )
TX(UMTS900)
PWR DET
RX( UMTS 2100)
TX(UMTS 2100)
UMTS 2100
UMTS 900
Содержание GT-S3370
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