Power Distribution - Nokia NPL-4 Series Manual
Transceivers, system module and user interface
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Also See for NPL-4 Series:
- Troubleshooting instructions (102 pages) ,
- Disassembly instructions manual (6 pages)
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Power distribution
V
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Copyright © 2005 Nokia Corporation. All rights reserved.
Issue 2 05/05
Figure 38: Power distribution diagram
UEM
4.75 V [ 4.6V ... 4.9V ]
VR1
2.78 V
[ 2.70V ... 2.86V ]
VR2
2.78 V
[ 2.70V ... 2.86V ]
VR3
2.78 V
[ 2.70V ... 2.86V ]
VR4
2.78 V
[ 2.70V ... 2.86V ]
VR5
2.78 V
[ 2.70V ... 2.86V ]
VR6
2.78 V
[ 2.70V ... 2.86V ]
VR7
16 mA [max. 20 mA]
1.35 V
[ 1.32V ... 1.38V ]
refRF01
100 uA
1.35 V
[ 1.32V ... 1.38V ]
refRF02
100 uA
2.7 V
[ 2.95V ... 4.7V ]
VBAT
System Module and User Interface
charge pump (VCP)
Tx modulator (Vcc_ModOut)
TX buffer & EDGE ALCs (VRF_TX)
VCTCXO (+VCC)
digital interface (VDIG)
Rx Front End (VRF_RX)
Bias & Rx CH filters (VF_RX)
RF controls (VPAB_VLNA)
PLL prescaler (VPRE)
phasing dividers of Rx (VLO)
BB buffer (VDIG)
VCO (VCC_VCO)
bias reference (VB_EXT)
bias reference
(RXIINN, RXQINN)
Triple band PA
NPL-4/5/
Page 79
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