3155/3155i (RM-41), 3152 (RM-61)
RF Description and Troubleshooting
Transmitter Block Diagram
Following is the block diagram for the Tx RF system.
Div 4
Div 2
IP
IN
QP
QN
Txagc1
PaBias
Page 10
PLL
N7000 Tx IC
AGC
AGC
Diff/Sngl
AGC
AGC
ITemp
Diff/Sngl
TXGate
Figure 5: Tx system block diagram
©2005 Nokia Corporation
19.2 MHz
TiKu GENIO
VccPa
PwrOut
Vbat
Iref
Cell PA
IDCout
Pcs PA
Iref
Vbat
VccPa
Company Confidential
Antenna
Phone test
Cell Duplexer
Connector
Coupler
Pwr Det
Diplexer
Coupler
Vbat
PCSDuplexer
Dc-Dc
PaDcDc
VccPa
ISSUE 1 07/2005