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COMPANY CONFIDENTIAL
Issue 2 06/2005
Copyright © 2005 Nokia. All Rights Reserved.
The names to the left are the signal names used on the RF schematics
Table 3: Supply names
See the picture below for measuring points at the UEM (D200).
Figure 19: UEM measuring points
There is only one PLL synthesizer generating Local Oscillator frequencies for both RX and TX
in both bands (Lowband and Highband). The VCO frequency is divided by 2 for Highband op-
eration or by 4 for Lowband operation inside the Mjoelner IC.
Supply
name RF
Supply
name UEM
Min
Typ
Max
Unit
VCP
VR1A
4.54
4.75
4.9
V
VTX
VR2
2.64
2.78
2.86
V
VXO
VR3
2.64
2.78
2.86
V
VPLL
VR5
2.64
2.78
2.86
V
VRX
VR6
2.64
2.78
2.86
V
VVCO
VR7
2.64
2.78
2.86
V
VBB
VIO
1.72
1.8
1.88
V
VREF2
VrefRF01
1.334
1.35
1.366
V
VBATT
BATTERY
3.1
3.6
5.2
V
VR6=VRX (C225)
VR1A=VCP (C221)
VR7=VVCO (C224)
VR2=VTX (C223)
VR3=VXO (C227)
VrefRF01=VREF1 (C231)
VR5=VPLL (C226)
VIO=VBB (C218)
