
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.
Содержание 6111 RM-82
Страница 179: ...8 RF troubleshooting Nokia Customer Care Issue 1 COMPANY CONFIDENTIAL Page 8 1 Copyright 2005 Nokia All rights reserved ...
Страница 211: ...9 System module Nokia Customer Care Issue 1 COMPANY CONFIDENTIAL Page 9 1 Copyright 2005 Nokia All rights reserved ...
Страница 233: ...10 Schematics Nokia Customer Care Issue 1 COMPANY CONFIDENTIAL Page 10 1 Copyright 2005 Nokia All rights reserved ...
Страница 239: ...UI RM 82 Schematics Nokia Customer Care Issue 1 COMPANY CONFIDENTIAL Page 10 7 Copyright 2005 Nokia All rights reserved ...
Страница 248: ...RM 82 Schematics Nokia Customer Care Issue 1 COMPANY CONFIDENTIAL Page 10 16 Copyright 2005 Nokia All rights reserved ...
Страница 249: ...Glossary Nokia Customer Care Issue 1 COMPANY CONFIDENTIAL Page Glossary 1 Copyright 2005 Nokia All rights reserved ...