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RF troubleshooting
Table 28 Spectrum analyzer settings for Tx power level tuning
Center frequency
Frequency span
Resolution Bandwidth
Video Bandwidth
Sweep Time
Trigger Type
Video trigger level
Trace Type
Detector Type
Reference Level
Internal Attenuation
Steps
1. In Phoenix, select Tuning -> TX Power Level Tuning.
Phoenix should now look similar to the figure below.
9235618 (Issue 2)
GSM900
897.4MHz
Zero-span
1MHz
1MHz
1ms
Video
Target pwr – 10dB
Clear/Write
Max Peak
Target power level +
10dB
Target power level +
10dB
Figure 134 Phoenix menu select (Tx Power Level Tuning menu)
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GSM1800
1747.8MHz
Zero-span
1MHz
1MHz
1ms
Video
Target pwr – 10dB
Clear/Write
Max Peak
Target power level +
10dB
Target power level +
10dB
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GSM1900
1880MHz
Zero-span
1MHz
1MHz
1ms
Video
Target pwr – 10dB
Clear/Write
Max Peak
Target power level +
10dB
Target power level +
10dB
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