NSW-5
Disassembly and Troubleshooting Instructions
PAMS Technical Documentation
Page 27
Issue 1 10/00
Nokia Mobile Phones Ltd.
Function
Unit
Max
Typ
Min
Parameter
To
From
Signal
name
RSSI
EROTUS
CCONT/
COB-
BA_D
Output level
0.1
1.5
V
Analog mode field
strenght indicator
TXIP/
TXIN
COBBA
EROTUS
Differential
voltage swing
(static)
0.62
0.82
Vpp
Differential in–
phase TX base-
band signal for the
RF modulator
Single ended
output level
0.760
0.8
0.84
V
TXQP/
TXQN
COBBA
EROTUS
Same as
TXIP/TXIN
Differential quad-
rature phase TX
baseband signal
for the RF modu-
lator
TXC
COBBA
EROTUS
Number of bits
10
bits
Transmitter power
control (ramps &
power levels)
Output voltage
swing
2.09
2.15
2.21
V
Minimum code
output level
0.12
0.15
0.18
V
Maximum
code output
level
2.27
2.3
2.33
V
TXF
EROTUS
MAD
Voltage
0
2.85
V
False transmis-
sion indicator,
function controlled
via EROTUS reg-
ister
TXP2
MAD
PENTA
regulator
Logic high ”1”
2.0
V
2 Ghz Transmitter
enable
Logic low ”0”
0.5
V
VR11 ON/OFF
TXA
MAD
EROTUS
Logic high ”1”
2.0
V
PWR control loop
during TX burst
(slow mode)
Logic low ”0”
0.5
V
PWR control loop
during ramp up/
down (fast mode)
TXLX1
MAD
TX 800
Logic high ”1”
2.1
2.85
V
Low power level
mode for power
detector
Logic low ”0”
0
0.6
V
High power level
mode for power
detector
