User Guide

RH-26 Company Confidential
5 - Service Software Instructions CCS Technical Documentation
Page 66 Copyright ©Nokia. All rights reserved. Issue 1 02/04
(f0+68kHz on spectrum analyzer screen).
Tx IQ Tuning limits are the same for all bands (GSM850, GSM1800 and
GSM1900):
7 Tuning automatically continues to the next step, EGSM 850 with EDGE on,
when you click “Save & Continue”.
EGSM850 band with EDGE On
1 To begin tuning, click “Start”.
2 Set spectrum analyzer to required settings for EGSM 850 band => OK.
3 Repeat the same tuning steps as for the EGSM850 with EDGE off above.
4 Tuning automatically moves to the next step, EGSM 1800 with EDGE off when
you click “Save & Continue”.
EGSM1800 band with EDGE Off
1 To begin tuning, click “Start”.
2 Set spectrum analyzer to required settings for GSM1800 band => OK.
3 Repeat the same tuning steps as for the EGSM850 band above.
I DC Offset -6…+6
Q DC Offset -6…+6
Amplitude difference -1…+1
Phase difference 80°…100°
A_wr i t eB_bl ank
CENTER 897. 4000 MHz SPAN 200. 0 kHz
2. 0 s
SWP
3kHz
VBW
3kHz
RBW
10dB/
REF 32. 0 dBm ATT 4 0 dB
GSMP OW Thu Aug 30 11: 43: 45 2001
REF OFS
11. 5 dB