Figure 16: Rf Power Distribution: Maximum Currents - Nokia NSB-5 Series Technical Documentation Manual

PAMS Technical Documentation
VCXOEN
VR1
VR5
RXPWR
VR3
SYNPWR
VR4
VR2
V5V
150mA
VR7
External
transistor
battery
TXP
Issue 1 03/01
0.7mA
VCTCXO buffer
1.0mA
VVCXO
VCTCXO
31mA
VRX Receiver
3.3mA
LNA
11mA
RX mixer UHF
18mA
VHF buffer + mix2
9.4mA
VHF predivider
10mA
VSYN_D
UHF predivider
1.0mA
Dredividers
20mA
UHF VCO
7.6mA
VSYN_A
VHF VCO
9.0mA
UHF buffer RX+TX
VDET
0.8mA
detector / temp
0.6mA
V5V
charge pump
0.6mA
charge pump
70mA
TX upconverter
VTX
37.5mA
Transmitter
2.7mA
Pwrcntrl opamp
15mA
TX buffer
90mA
PA gaincontrol
1.32 A
VBAT
TX PA

Figure 16: RF power distribution: maximum currents

Nokia Mobile Phones Ltd.
System Module
SUMMA (VRX)
CRFU2a (V_RX)
CRFU2a (V_RX)
CRFU2a (V_VHF)
SUMMA (VP1)
SUMMA (VP2)
SUMMA (VDD)
CRFU2a (V_UHF)
SUMMA (VCE1)
SUMMA (VCE2)
CRFU2a (V_TX)
SUMMA (VTX)
SUMMA (VOP)
PA 45%
max. output
(32.5dBm)
Vbat=3.6V
NSB-5
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