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5. SGH-E100 Block Diagrams
5-
1
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1. RF Solution Block Diagram
100 kHz+fmod
REFIN
VTCXO
pi -PAD
pi -PAD
I+
fmod
I-
Q+
Q-
~
~
pi -PAD
MURATA EGSM RX SAW Filter
SAFSD942MFM0T00R00
IL=3.2dB max
Ripple=2.2 dB max
Vcc_RF_VCO
Discrete
3
rd
Order
Loop Filter
SAMSUNG ELECTRO-MECHANICS
TX VCO
VOU1810F27KRA (8.0
X
6.0
X
1.6 mm)
GSM =
824 ~ 915 MHz
(Vt=0.5V ~ 3.0 V )
DCS =
1710 ~ 1910 MHz
(Vt=0.5V ~ 3.0 V )
Harmonics <= -10dBc
RFMD PAM
RF3140
GSM: Pout = 35.0 dBm E
ff
= 60%
DCS: Pout = 33.0 dBm E
ff
= 55%
Discrete
3
rd
Order
Loop Filter
RXON
Vcc_Tx_BURST
GSM IN
HITACHI METAL ANT SWITCH
SHS-M090TC (SIZE)
Imax = 10 mA
Freq (MHz) Loss
880 - 915 1.2 dB
925 - 960 0.9 dB
1710 -1785 1.2 dB
1805 -1880 1.2 dB
Atten 2xfo : 40dB,27dB(GSM,DCS)
3xfo : 35dB,21dB(GSM,DCS)
EN
CLK
DATA
DCS S/W
OFFSET Mixer input power
-16dBm max, -22dBm min
f
compRF
=26MHz
Philips Transceiver
UAA3536
Pins IA,IB,QA and QB
V
IQ
: 1.25V
typ
. , 1.15V
min
, 1.35V
max
V
mod
: 0.5V
pp
EGSM_MODE_SW
VCC_RX_TX
Vc_EGSM
DCS_MODE_SW
Vc_DCS
Inverter circuits
QUAD
MURATA DCS RX SAW Filter
SAFSD1G84FA0T00R00
IL= 3.0dB max
Ripple= 2.0dB max
DIV
PFD
CP
VREG
~
Vcc_RF_LO
FracN
DIV
1:1/2
VREG
26MHz
Vcc_REF(2.4V typ.)
Vcc_SYN
FESW1
FESW2
3W
BUS
CTL
REG
PWR
EN
GSM/DCS/PCS
DIV
QUAD
PFD
CP
f
TXIF
60/114MHz
+ I OUT
- I OUT
- Q OUT
+ Q OUT
FESWON
SYNON
TXON
GSM S/W
PMU
HVS
VDD1
(1.35V min 2.95V max , 150mA )
VBat
(3.6V typ 3.0V min)
V_MODE
RF1_VDD
RF2_VDD
RF1_VDDS
RF2_VDDS
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 )
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
VRAMP
TX ENABLE
BAND SELECT
DCS IN
VBAT
Pout= 6.5 3dBm typ.,Ic <= 30mA
REF_13M