User Guide

NMM-3 Company Confidential
7 - System Module & UI CCS Technical Documentation
Page 7-42 Copyright  2003 Nokia Corporation Issue 1 (11/2003)
Company Confidential
WCDMA transmitter
Figure 7: WCDMA TX block diagram
TXI_P
TXI_N
TXQ_P
TXQ_N
PA
Duplexer (TX)
IPA1
TXVCO
Balun
PLL
2
TEX
I/UMUX
MUX
HEX
U/I
TXC
GSM TX I/Q
Ext reg 1
VBATREG1
GenIO 14
I/U
TXA2
TXA1
VBATREG1
GenIO13
Ext reg 2
PA
SMPS
VBATT_RF
power
detector
TxPwrDet
I/Q modulator
isolator
GenIO15
VBAT
TXpwr
PApwr
VBAT
VBAT
TXVCOpwr