Power Supply - Nokia RH-18 Manual

RH-18/36/38
Engine module

Power Supply

All power supplies for the RF Unit are generated in the UEM IC (D200). All power outputs
from this IC has a decoupling capacitor at which the supply voltage can be checked.
The power supply configuration is described in the block diagram below:
The names in bold
within the Mjoelner and the VCO refers to pin names on the respective ICs (N600, G600).
Supply name RF
VTX
VXO
VCP
VPLL
VRX
VVCO
VBB
VREF2
VBATT
Page 30
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Figure 16: Power supply configuration
nal names used on the RF schematic pages. Names in the boxes
are sig
Table 19: Power supply signals
Supply name UEM
VR2
VR3
VR1A
VR5
VR6
VR7
VIO
VrefRF01
BATTERY
Nokia Corporation.
CCS Technical Documentation
Min Typ
2.64 2.78
2.64 2.78
4.75
2.64 2.78
2.64 2.78
2.64 2.78
1.72 1.8
1.334 1.35
3.1 3.6
Max Unit
2.86 V
2.86 V
V
2.86 V
2.86 V
2.86 V
1.88 V
1.366 V
5.2 V
Issue 1 10/03