Nokia NSW-5 Series Service Manual page 233

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