
3.
From the Tuning menu, choose GSM -> Tx Power Level Tuning .
4.
Set Mode to
Automatic
and Edge to
Off
.
TX data type:
GMSK: Random
EDGE: PN-9
5.
Set the spectrum analyzer for power level tuning:
Frequency
Channel frequency
897.4MHz GSM900
1747.8MHz GSM1800
1880MHz GSM1900
Span
0 Hz
Sweep time
2 ms
Trigger
Video triggering (-10 dBm)
Resolution BW
3 MHz
Video BW
3 MHz
Reference level offset
cable atten module jig attenuation
Reference level
33 dBm
A power meter with a peak power detector can be also used. Remember to take the attenuations in the
account!
RM-82
RF troubleshooting
Nokia Customer Care
Issue 1
COMPANY CONFIDENTIAL
Page 8 –15
Copyright © 2005 Nokia. All rights reserved.