Block Diagrams - Samsung SGH-G400 Service Manual

7. Block Diagrams

7-1. RF Block Diagram
SGH-G400 RF Block Diagram SGH-G400 RF Block Diagram
Antenna Antenna
Comm. Comm.
Transmit Transmit
Receive Receive
Tx module Tx module
2G PAM + FEM 2G PAM + FEM
(SKY-77519) (SKY-77519)
Duplexer Duplexer
Coupler Coupler
POWER POWER
Detect Detect
GSM900 GSM900
Rx SAW Rx SAW
DCS1800 DCS1800
Rx SAW Rx SAW
PCS1900 PCS1900
Rx SAW Rx SAW
WCDMA WCDMA
Rx SAW Rx SAW
3G PAM 3G PAM
(RF3266) (RF3266)
7-1
Tranceiver Tranceiver
(RTR6280) (RTR6280)
TCXO TCXO
Rx I/Q Rx I/Q
Tx I/Q Tx I/Q