Nokia 3105 서비스 매뉴얼
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