NSW-5
System Module UT5U
PAMS Technical Documentation
Page 43
Issue 1 10/00
Nokia Mobile Phones Ltd.
RF/BB interface signals
CCONT (baseband) control signals are included in table below.
These
control signals are printed in italics.
Signal
name
From/
Control
To
Parameter
Min
Typ
Max
Unit
Function
VBAT
battery
RF
2V8
regul.
Voltage
3.1
3.6
5.3
V
Supply voltage for
discrete 2V8 regula-
tors in dual band
phone
Voltage during TX
3.0
3.6
5.0
V
Current
1200
mA
VREF
CCONT
Erotus
Voltage
1.485
1.50
1.522
V
EROTUS reference
voltage
Current
10
uA
VR1
CCONT
/
RFCEN
Erotus,
VCTCXO,
2GHz
PLL
Voltage
2.7
2.8
2.9
V
Supply for VCTCXO,
and Erotus VHF
prescaler, VCO and
bias,
2 GHz PLL
Current, tdma 800
3.0
7
9
mA
Current, tdma1900
3.0
17
19
mA
VR2
CCONT
/
SPWR1
Erotus,
UHF
VCO1
Voltage
2.7
2.8
2.9
V
Supply voltage for
tdma 800 UHF VCO
and prescaler
Current, tdma800
14
16
20
mA
Current, tdma1900
off
mA
VR3
CCONT
/
SPWR2
(via
serial
VHF–
VCO,
LO–buff,
TX mixer
Voltage
2.7
2.8
2.9
V
Supply for VHF VCO,
LO buffer, tdma800
TX mixer and TXF
serial
bus)
Current, tdma800
20
24
30
mA
)
Current, tdma1900
4
9
12
mA
VR4
CCONT
/
RXPWR
1
Erotus,
VCTCXO
IF1–amp
Voltage
2.7
2.8
2.9
V
Supply for Erotus
IF–parts, IF1–amp.,
VCTCXO multiplier
1
Current, anal.RX
10
12
15
mA
Current, digi.RX
30
32
34
mA
VR5
CCONT
/
TXPWR
1
Erotus,
TX pwr
control
Voltage
2.7
2.8
2.9
V
Supply for Erotus
modulator, TX pwr
control
1
Current, TX–mode
33
37
41
mA
VR7
CCONT
TXP1
TX PA
Voltage
2.7
2.88
2.95
V
TX PA bias and TX
driver regulator
enable
Current, tdma800
55
60
mA