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 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)