NSW-5
System Module UT5U
PAMS Technical Documentation
Page 47
Issue 1 10/00
Nokia Mobile Phones Ltd.
Function
Unit
Max
Typ
Min
Parameter
To
From/
Control
Signal
name
TXIP/
TXIN
Cob-
ba_D
EROTUS
Differential voltage
swing
0.62
0.82
V
pp
Differential in–phase
TX baseband signal
Common mode v.
(digital mode)
0.8
V
for the RF modulator.
Load resistance
(differential)
10
MW
TXQP/
TXQN
Cob-
ba_D
EROTUS
Differential voltage
swing
0.62
0.82
V
pp
Differential quadra-
ture phase TX base-
Common mode v.
(digital mode)
0.8
V
band signal for the
RF modulator.
Load resistance
(differential)
10
MW
TXLX1
MAD
(CTID,
TXLX)
RF
tdma800
Logic high ”1”
2.1
V
High power level
mode for power de-
tector
Logic low ”0”
0
0.6
V
Low power level
mode for power de-
tector
Sink/source curr.
8.0
mA
Timing tied to
TXPWR1
Load capacitance
10
pF
TXPWR1
Timing inaccuracy
8
us
DSP
TXLX2
MAD
(TXLX2,
S G
RF
tdma1900
Logic high ”1”
2.1
V
High power level
mode for power de-
tector
DSPGen-
Pio(6))
Logic low ”0”
0
0.6
V
Low power level
mode for power de-
tector
Sink/source curr.
8.0
mA
Timing tied to
TXPWR1
Load capacitance
10
pF
TXPWR1
Timing inaccuracy
8
us
DSP
TXP2
MAD
(MFI,
Penta
reg,
Logic high ”1”
2.0
V
Supply voltage VR11
ON
(MFI,
TXP)
TX driver,
TX PA,
Logic low ”0”
0.5
V
Supply voltage VR11
OFF
TX PA,
in
td
1900
Current
100
uA
tdma1900
mode
Load capacitance
10
pF
mode
Timing inaccuracy
10
us
DSP
