Samsung SGH-Z500 Anycall Service Manual page 31

5 . S G H - Z 5 0 0 B l o c k D i a g r a m s
1. RF So lut ion Bloc k Diagram
GSM _ANT_SEL0,1,2 from MSM
PCS
Rx BPF
GSM PAM
skywork
(RFMD,
77328
RF5146 )
GSM_PA_BAND from MSM
GSM _PA_P W R_SV from MSM
GSM _PA_P W R_CTL from MSM
SBDT, SBST, SBCK from MSM
duplxer
Antenna
Switch
(Panasonic ,
GN 06001 L)
WCDMA
PA_ON from MSM
PAM
(Agilent ,
acpm 7881 )
UMTS
Rx BPF
T X
GSM
Rx BPF
DCS
Rx BPF
GSM RX M /P
DCS RX M /P
PCS RX M/P
GSM TX VCO
(Murata , MQW510 AB97 M)
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U-BSI RF block diagram, edited by TS
SBDT, SBST, SBCK from MSM
RFR 6200
RFL6200
UMTS Quaderature
Rx BPF
converter
TCXO
WCDMA
19.2 12.9MHz
Local VCO
(Alps , UCVA4XD03 A)
UHF_VCO _EN
VCO _BAND _SEL
TRK_LO _ADJ
PLL#2 PLL#1
RTR6200
RTR6250
Quaderature up
converter
LO
generator
Quaderature
down converter
SBDT, SBST, SBCK
Quaderature
down converter
Quaderature up
converter
RF_O N_TX_O N
GSM _VCO _EN_N
DCS_VCO _EN_N DCS_VCO_EN_N
5- 1
RX_I/Q,
M/P
down
TRK_LO_ADJ
MSM 6250
TX_I/Q , M/P
RX_I/Q , M /P