Chapter 9 271
BERT
Measuring RF Loopback BERT with Option 300
Configuring GSM Mode on the Agilent Technologies E4406A VSA Series Transmitter Tester
The following steps will show you how to set up the vector signal analyzer (VSA) for synchronization.
1. To preset the VSA:
Press
Preset.
2. To select GSM mode:
Press
MODE > GSM.
3. To set up GSM mode for BTS test:
Press
Mode Setup > Radio > Band > P-GSM > Return.
Toggle
Device BTS MS until BTS is underlined.
Toggle
Freq Hopping On Off until Off is underlined.
4. To set the frequency:
Press
FREQUENCY Channel > ARFCN 124.
Center Freq will show 959.800 MHz.
Select
Burst Type > Normal.
Toggle
TSC (Std) until Auto is underlined.
5. To lock the VSA and ESG to the BTS 13 MHz reference:
Press
System > Reference > Freq Ref > 13 > MHz.
Toggle
Freq Ref Int Ext until Ext is underlined.
Toggle
10 MHz Out Off On until On is underlined.
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