User Guide

NSB-5
System Module PAMS Technical Documentation
Page 52 Nokia Mobile Phones Ltd. Issue 1 03/01
Figure 17: RF power distribution: typical currents
11mA
3.3mA
1.0mA
9.4mA
10mA
0.5mA
1.0mA
20mA
7.6mA
9.0mA
31mA
49mA
70mA
14mA
2.4mA
33.5mA
RXPWR
VCXOEN
SYNPWR
TXP
1.6mA
1.1 A
VBAT
18mA
External
transistor
VRX
VVCXO
VDET
VTX
V5V
VSYN_D
VSYN_A
PA 45%
max. output
(32.5dBm)
Vbat=3.6V
0.5mA
VCTCXO buffer
0.7mA
VCTCXO
Receiver
LNA
VHF VCO
UHF predivider
VHF predivider
UHF VCO
Dredividers
RX mixer UHF
VHF buffer + mix2
TX PA
PA gaincontrol
TX buffer
Pwrcntrl opamp
Transmitter
TX upconverter
charge pump
charge pump
detector / temp
UHF buffer RX+TX
150mA
battery
VR7
V5V
VR2
VR4
VR3
VR1
VR5
SUMMA (VOP)
SUMMA (VTX)
CRFU2a (V_TX)
CRFU2a (V_UHF)
SUMMA (VCE1)
SUMMA (VCE2)
SUMMA (VDD)
SUMMA (VP2)
SUMMA (VP1)
CRFU2a (V_RX)
CRFU2a (V_RX)
SUMMA (VRX)
CRFU2a (V_VHF)