User Guide

RH-21 Company Confidential
System Module Nokia Customer Care
Page 22  2004 Nokia Corporation. Issue 2 07/2004
VR4 UEM RFIC Out Vreg 2.78 V
+- 3%
50mA
max.
UEM linear regulator. Power
supply for LNA/RFIC Rx
chain.
VR5 UEM RFIC Out Vreg 2.78 V
+- 3%
50mA
max.
UEM linear regulator. Power
supply for RF low band PA
driver section.
VR6 UEM RFIC Out Vreg 2.78 V
+- 3%
50mA
max.
UEM linear regulator. Power
supply for RF high band PA
driver section.
VR7 UEM RFIC,
UHF
VCO
Out Vreg 2.78 V
+- 3%
45mA UEM linear regulator. Power
supply for RF Synthes.
IPA1 UEM RF PA Out Iout 0-5 mA Settable Bias current for RF
PA L-Band
IPA2 UEM RF PA Out Iout 0-5 mA Settable Bias current for RF
PA H-Band
VFLASH1 UEM RFIC Out Iout 2.78V 12mA UEM linear regulator com-
mon for BB. RFIC digital
parts and F to BB digl. IF.
VBATT, Global
VBATTRF Batt
Conn
RFPA Out Vbatt 3...5V 0...1A
2A
peak
Raw Vbatt for RF PA
RIP
Signal
name
Connected
from - to
BB I/O
Signal Properties
A/D Levels-Freq./
Timing resolution
Description / Notes