Nokia RM-11 Series Troubleshooting Manual page 15

CC Technical Documentation
Maximum
Regulator
Current (mA)
VFLASH2 40
VANA 80
VSIM 25
Table 2 includes the UEM RF regulators.
Regulator
VR1A
VR1B
VR2
VR3
VR4
VR5
VR6
VR7
A charge pump used by VR1A is constructed around UEM. The charge pump works with
Cbus (1.2 MHz Clk) and gives a 4.75 V regulated output voltage to RF.
Issue 2 09/2005
Table 1: Baseband Regulators (Continued)
Vout (V) Notes
2.78 Enabled only when data cable is connected
2.78 Enabled only when the system is awake (off during sleep and
power-off modes)
3.0 Enabled during power-up mode and scanning for a SIM card
Table 2: RF Regulators
Maximum
Vout (V)
Current (mA)
10 4.75
10 4.75
100 2.78
20 2.78
50 2.78
50 2.78
50 2.78
45 2.78
©2005 Nokia Corporation
Troubleshooting - Baseband
Notes
Enabled when cell receiver is on
Enabled when the transmitter is on
Enabled when the transmitter is on
Enabled when SleepX is high
Enabled when the receiver is on
Enabled when the receiver is on
Enabled when the transmitter is on
Enabled when the receiver is on
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RM-11
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