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Block Diagrams
7-2
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RF block
`
RF GSM EDGE PAM
W2100
DUPLEXER
W2100 TX SAW
Quadrature
downconverter
Quadrature
downconverter
LO Generation &
distribution
LPF & DC
Correction
LPF & DC
Correction
Quadrature
Upconverter
Gain Ctrl &
Bias Circuits
PLL #1
PLL #2
BPF
BPF
BPF
LPF
S
S
B
I
RTR6280
LPF
TX_IP
TX_IN
TX_QP
TX_QM
RX_IP
RX_IN
RX_QP
RX_QM
MSM6280_NSP
Quadrature
downconverter
LPF
TXCO
Power
Detector
W2100 Rx SAW
BPF
Coupler
TCXO
W2100 TX
LPF
EGSM TX
TX RX
EGSM 880.20 Mhz ~ 914.80 Mhz 925.20 Mhz ~ 959.80 Mhz
DCS 1710.20 Mhz ~ 1784.80 Mhz 1805.20 Mhz ~ 1879.80 Mhz
PCS 1850.20 Mhz ~ 1909.80 Mhz 1930.20 Mhz ~ 1989.80 Mhz
WCDMA 1922.4 Mhz ~ 1977.6 Mhz 2112.4 Mhz ~ 2167.6 Mhz
Bluetooth 2400 Mhz ~ 2483.5 Mhz 2400 Mhz ~ 2483.5 Mhz
SGH-P960 RF Block Diagram
GSM_PA_PWR_CTRL
W2100 RX
/12 ( UART[4],PCM[4],GPIO[4])
BT
Module
DCS/PCS TX
EGSM RX
PCS RX
DCS RX
GSM EDGE PAM
WCDMA 2100 PAM + COUPLER
PWR_DET
LNA
DVB-H SAW
DVB-H
Module
BALUN
TCXO
19.2Mhz
SSDBT
DAC_REF
TX_BIAS