
Table 10 Spectrum analyzer settings for Tx power level tuning
GSM900
GSM1800
GSM1900
Center frequency
897.4MHz
1747.8MHz
1880MHz
Frequency span
Zero-span
Zero-span
Zero-span
Resolution Bandwidth
1MHz
1MHz
1MHz
Video Bandwidth
1MHz
1MHz
1MHz
Sweep Time
1ms
1ms
1ms
Trigger Type
Video
Video
Video
Video trigger level
Target pwr – 10dB
Target pwr – 10dB
Target pwr – 10dB
Trace Type
Clear/Write
Clear/Write
Clear/Write
Detector Type
Max Peak
Max Peak
Max Peak
Reference Level
Target power level +
10dB
Target power level +
10dB
Target power level +
10dB
Internal Attenuation
Target power level +
10dB
Target power level +
10dB
Target power level +
10dB
Steps
1. In Phoenix, select Tuning -> TX Power Level Tuning.
Figure 147 Phoenix menu select (Tx Power Level Tuning menu)
Phoenix should now look similar to the figure below.
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