18. Select the Algorithm mode tab.
19. Write the target power level 25 dBm to the "Start level" line and check the "Max power limit" check box
(detector calibration check).
20. Setup the spectrum analyzer with the following settings:
Center frequency:
1950.0 MHz
Span:
0 Hz
Reference level offset:
Cable attenu adapter attenuation
Reference level:
24 dBm or -20 dBm depending on the level
measured
Input attenuation:
Automatic
Resolution bandwidth:
5 MHz
Video bandwidth:
5 MHz
Sweep time:
20 ms
Detector:
RMS detector
Average:
No
Trigger:
Free run
21. Click Send.
22. Measure the WCDMA output power.
It should be around 21 dBm.
23. Click RF Stop and uncheck the "Max power limit" checkbox.
24. Repeat steps 19 to 23 for 19, +7, 0, -20 and –40 dBm levels.
The measured output power may not differ more than +-2 dB from the requested value at level +19dBm
and no more than +-4dB on lower levels.
RM-42
Nokia Customer Care
RF Troubleshooting and Manual Tuning Guide
Page 7–52
Company Confidential
9241872 (Issue 1)
Copyright ©2005 Nokia. All Rights Reserved.
