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5. SGH-X600 Block Diagrams
5-1
1. RF Solution Block Diagram
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100 kHz+fmod
REFIN
VTCXO
GSM
DCS/PCS
I+
fmod
I-
Q+
Q-
~
~
VAPC
Vcc_RF_VCO
Discrete
3
rd
Order
Loop Filter
SEMCO TX VCO
Micro Devices Tripleband PAM
RXON
Vcc_Tx_BURST
VBAT
EN
CLK
DATA
DCS S/W
OFFSET Mixer input power
f
compRF
=26MHz
Philips Transceiver
UAA3536
Pins IA,IB,QA and QB
QUAD
DIV
PFD
CP
VREG
~
Vcc_RF_LO
FracN
DIV
1:1/
2
VREG
26MHz
Vcc_REF(2.4V typ.)
Vcc_SYN
FESW1
FESW2
3
W
BUS
CTL
REG
PW
R
EN
GSM/DCS
DIV
QUAD
PFD
CP
f
TXIF
60/114MHz
+ I OUT
-
-
+
FESWON
SYNON
TXON
GSM S/W
PMU
HVS
VBat
(3.6V typ 3.0V min)
V_MODE
RF1_VDD
RF2_VDD
RF1_VDDS
RF2_VDDS
VCC_RX_TX
(2.7V ,100mA )
VCC_SYN
(2.7V , 100mA )
VCC_RF_VCO
(2.70V , 100mA )
VCC_CP
(4.0V , 25mA )
VCC_TX_BURST
(2.7V , 100mA )
PON_SYNT
PON_TX
EGSM_MODE_SW
VCC_RX_TX
Vc_EGSM
DCS_MODE_SW
Vc_DCS
Inverter circuits
I OUT
Q OUT
Q OUT
HITACHI METAL ANT S/W
EPCOS EGSM RX SAW Filter
EPCOS DCS RX SAW Filter
VDD1
(1.35V min 2.95Vmax , 150mA )
VDD2
(1.35V min 3.45V max , 150mA )
VDD3
(1.35V min 3.45V max , 100mA )
VDD4
(1.35V min 3.45V max , 150mA )
AVDD
(1.35V min 2.65V max , 100mA )