Manual

Optimization (Pre–ATP) Data Sheets68P09258A31–A
Oct 2003
1X SCt 4812T BTS Optimization/ATP
A-11
Table A-10: TX BLO Calibration (3–S: 1–C, and 2– and 4–C Non–adjacent Channels)
OK CommentsSpecificationParameter
−
BBX–7, ANT–1 = dB
BBX–r, ANT–1 = dB
−
Calibration
Audit
carrier 2
0 dB (+0.5 dB) for gain set resolution
post calibration
BBX–8, ANT–2 = dB
BBX–r, ANT–2 = dB
−
carrier 2
BBX–9, ANT–3 = dB
BBX–r, ANT–3 = dB
−
BBX–4, ANT–1 = dB
BBX–r, ANT–1 = dB
−
Calibration
Audit
carrier 3
0 dB (+0.5 dB) for gain set resolution
post calibration
BBX–5, ANT–2 = dB
BBX–r, ANT–2 = dB
−
carrier 3
BBX–6, ANT–3 = dB
BBX–r, ANT–3 = dB
−
BBX–10, ANT–1 = dB
BBX–r, ANT–1 = dB
−
Calibration
Audit
carrier 4
0 dB (+0.5 dB) for gain set resolution
post calibration
BBX–11, ANT–2 = dB
BBX–r, ANT–2 = dB
−
carrier 4
BBX–12, ANT–3 = dB
BBX–r, ANT–3 = dB
Comments:________________________________________________________
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2–Carrier Adjacent Channel
Table A-11: TX BLO Calibration (3–S: 2–C 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 (typical),
38 dB (minimum) prior to calibration
BBX–2, ANT–2 = dB
BBX–r, ANT–2 = dB
−
BBX–3, ANT–3 = dB
BBX–r, ANT–3 = dB
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