User's Manual

Optimization (Pre–ATP) Data Sheets
68P09258A31–A
Oct 2003
1X SCt 4812T BTS Optimization/ATP
A-10
TX BLO/Power Output Verification for 3–Sector Configurations
1–Carrier
2–Carrier Non–adjacent Channels
4–Carrier Non–adjacent Channels
Table A-10: TX BLO Calibration (3–S: 1–C, and 2– and 4–C Non–adjacent Channels)
OK Parameter Specification Comments
−
BBX–1, ANT–1 = dB
BBX–r, ANT–1 = dB
−
Calibrate
carrier 1
TX Bay Level Offset = 42 dB (+4 dB)
prior to calibration
BBX–2, ANT–2 = dB
BBX–r, ANT–2 = dB
−
BBX–3, ANT–3 = dB
BBX–r, ANT–3 = dB
−
BBX–7, ANT–1 = dB
BBX–r, ANT–1 = dB
−
Calibrate
carrier 2
TX Bay Level Offset = 42 dB (+4 dB)
prior to calibration
BBX–8, ANT–2 = dB
BBX–r, ANT–2 = dB
−
BBX–9, ANT–3 = dB
BBX–r, ANT–3 = dB
−
BBX–4, ANT–1 = dB
BBX–r, ANT–1 = dB
−
Calibrate
carrier 3
TX Bay Level Offset = 42 dB (+4 dB)
prior to calibration
BBX–5, ANT–2 = dB
BBX–r, ANT–2 = dB
−
BBX–6, ANT–3 = dB
BBX–r, ANT–3 = dB
−
BBX–10, ANT–1 = dB
BBX–r, ANT–1 = dB
−
Calibrate
carrier 4
TX Bay Level Offset = 42 dB (+4 dB)
prior to calibration
BBX–11, ANT–2 = dB
BBX–r, ANT–2 = dB
−
BBX–12, ANT–3 = dB
BBX–r, ANT–3 = dB
−
BBX–1, ANT–1 = dB
BBX–r, ANT–1 = dB
−
Calibration
Audit
carrier 1
0 dB (+0.5 dB) for gain set resolution
post calibration
BBX–2, ANT–2 = dB
BBX–r, ANT–2 = dB
−
carrier 1
BBX–3, ANT–3 = dB
BBX–r, ANT–3 = dB
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