User Guide

RH-25
System Module CCS Technical Documentation
Page 28 ©Nokia Corporation Confidential Issue 1 10/2003
V
RF
Globals instead of Bus Regulated RF Supply Voltages from UEM to RF. Current values are of the
regulator specifications, not the measured values of RF
VR1 A UEM RFIC
Out Vreg
4.75 V
+- 3 %
10 mA max. UEM, charge pump + linear regulator
output. Supply for UHF synth phase det ….
VR1 B UEM RFIC
Out Vreg
4.75 V
+- 3 %
10 mA max. UEM, charge pump + linear regulator
output.
VR2 UEM RFDiscr./
RFIC
Out Vreg
2.78 V
+- 3 %
100 mA max. UEM linear regulator. Supply voltage for Tx
IQ filter and IQ to Tx IF mixer.
VR3 UEM VCTCXO
Out Vreg
2.78 V
+- 3 %
20 mA max. UEM linear regulator. Supply for VCTCXO +
RFCLK Buffer in RF IC.
VR4 UEM RFIC
Out Vreg
--”-- 50 mA max. UEM linear regulator. Power Supply for LNA
/ RFIC Rx chain.
VR5 UEM RFIC
Out Vreg
--”-- 50 mA max. UEM linear regulator. Power Supply for RF
low band PA driver section.
VR6 UEM RFIC
Out Vreg
--”-- 50 mA max. UEM linear regulator. Power supply for RF
high band PA driver section.
VR7 UEM RFIC,
UHF VCO
Out Vreg
--”-- 45mA UEM linear regulator. Power supply for RF
Synths
IPA1 UEM RF PA
Out Iout
0-5 mA Settable Bias current for RF PA L-Band
IPA2 UEM RFPA
Out Iout
0-5 mA Settable Bias current for RF PA H-band
VFLASH1 UEM RFIC
Out Iout
2.78V ~2mA UEM linear regulator common for BB.
RFIC digital parts and RF to BB digi IF.
VBATT, Global
VBATTRF Batt
Conn
RFPA
Out Vbatt
3…5V 0…1A
2A peak
Raw Vbatt for RF PA