User Guide
RH-48
System Module CCS Technical Documentation
Page 8 ©2003 Nokia Corporation Confidential Issue 1 11/2003
Table 4: Regulated Supplies from UEM to RF
Signal name From To Parameter Min Typ Max Unit Function
VBAT Battery PA & UEM,
external driver
amps
Voltage
----------------
Current
3.2
-----
0
3.5
------
5.1
------
2A
peak
V
------
Battery supply.
Lower limit is to
guarantee regulator
PSRR
VR1A UEM PA Vref Voltage
----------------
Current
4.6
------
0
4.75
------
4
4.9
------
5
V
------
mA
Charge pump + lin-
ear regulator.
VR2 UEM Jedi Voltage
----------------
Current
2.70
------
2.78
------
2.86
------
100
V
------
mA
Linear regulator
VR3 UEM VCTCXO, Yoda Voltage
----------------
Current
2.70
------
2.78
------
2.8
------
20
V
------
mA
Low noise linear reg-
ulator for VCTCXO
VR4 UEM Alfred Voltage
----------------
Current
2.70
------
2.78
------
V
------
mA
Low lq linear
regulator
VR5 UEM Jedi Voltage
----------------
Current
2.70
------
2.78
------
V
------
mA
Low lq linear
regulator
VR6 UEM Yoda Voltage
----------------
Current
2.70
------
2.78
------
V
------
mA
Low lq linear
regulator
VR7 UEM Jedi Voltage
----------------
Current
2.70
------
2.78
------
V
------
mA
Low noise linear reg-
ulator for
synthesizer
VIO UEM Jedi, Yoda Voltage 1.70 1.8 1.88
-------
50
V
------
mA
Supply for RF-BB
digital signal inter-
face and some digital
parts of RF
Vref_rf01 UEM Yoda Voltage 1.334 1.35 1.366 V Voltage refer for
Yoda I/or de-modula-
tor
Table 5: Slow A/D Converters
Signal name From To Parameter Min Typ Max Unit Function
PA_TEMP Thermistor UEM Input voltage
range
0 2.78 V PA temperature sensor
output voltage
Analog Out of RF
PWROUT Jedi UEM Input voltage
range
0 2.78 V Buffered output of TX
output detector