User's Manual

Optimization (Pre–ATP) Data Sheets – continued
May 2000
A-11
SC 4812T CDMA BTS Optimization/ATP
2–Carrier Adjacent Channel
Table A-11: TX Bay Level Offset Calibration (3–Sector: 2–Carrier Adjacent Channels)
OK Parameter Specification Comments

BBX2–1, ANT–1 = dB
BBX2–r, ANT–1 = dB

Calibrate
carrier 1
TX Bay Level Offset = 42 dB (typical),
38 dB (minimum) prior to calibration
BBX2–2, ANT–2 = dB
BBX2–r, ANT–2 = dB

BBX2–3, ANT–3 = dB
BBX2–r, ANT–3 = dB

BBX2–7, ANT–4 = dB
BBX2–r, ANT–4 = dB

Calibrate
carrier 2
TX Bay Level Offset = 42 dB (typical),
38 dB (minimum) prior to calibration
BBX2–8, ANT–5 = dB
BBX2–r, ANT–5 = dB

BBX2–9, ANT–6 = dB
BBX2–r, ANT–6 = dB

BBX2–1, ANT–1 = dB
BBX2–r, ANT–1 = dB

Calibration
Audit
carrier 1
0 dB (+0.5 dB) for gain set resolution
post calibration
BBX2–2, ANT–2 = dB
BBX2–r, ANT–2 = dB

carrier
1
BBX2–3, ANT–3 = dB
BBX2–r, ANT–3 = dB

BBX2–7, ANT–4 = dB
BBX2–r, ANT–4 = dB

Calibration
Audit
carrier 2
0 dB (+0.5 dB) for gain set resolution
post calibration
BBX2–8, ANT–5 = dB
BBX2–r, ANT–5 = dB

carrier
2
BBX2–9, ANT–6 = dB
BBX2–r, ANT–6 = dB
Comments:________________________________________________________
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A