Nokia NSW-5 Series

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