Block Diagrams
4-4
4-2-2 RF Receive Part
VP40578
(U401)
Bryce Park
EGSM RX
925~960 MHz
(CH62 : 947.4 MHz)
DCS RX
1805~1880 MHz
(CH698 : 1842.4 MHz)
SA
W
Filter
(U501)
SA
W
Filter
(U500)
LNA
LNA
PGA
PGA
ADC
ADC
VCTCXO
(U504)
Antenna
S/W
(U605)
RF
Conector
(CN600)
Si4200 (U502)
RF
PLL
Si4133-T
(U505)
Mixer
Channel
Filter
PGA
PGA
DAC
DAC
100
kHz
I/O
Si4201 (U503)
I
Q
<EGSM>
1849.8 ~ 1919.8 MHz
<DCS>
1804.9 ~ 1879.9 MHz
GSM : /2
2
3
8
10
1
1
1
3,4
3,4
17,18
21,22
1,2
1,2
1
1,12
1
1,12
5
4
3
2
S
D
ATA
SCLK
SENB
AFC
4
2
7
7
23,24
12,13
PDNB
31
9
14
- 50dBm
@ 947.067 MHz
- 50dBm
@ 1842.467 MHz
-51dBm
-52dBm
-6dBm
@ 1895.6 MHz (G)
-9dBm
@ 1842.3 MHz (D)
-52dBm
-52dBm
-50dBm (G)
-54dBm (D)
@ 67 kHz
1
2
3
4
