User Guide

NSB-9
CCS Technical Documentation
Page 48 Copyright Nokia. All rights reserved. Issue 1 04/03
TX tunings
Tx Power Level Tuning
Calibrates GSM850 and GSM1900 TX power at middle channel. Power control loop keeps
TX power same in all channels. Tuning is done at 4 power levels - other values can be lin-
earized using these points.
*) This tolerance shall be used only for tuning channel (middle channel) at +25°C tem-
perature.
GSM850 GSM1900
Power
Level
Target
value
Tuning
target
Testing limits
*)
Power
Level
Target
value
Tuning
target
Testing limits
*)
5 32.5 +/- 0.1 +0.2 / -0.5 0 29.5 +/- 0.1 +0.2 / -0.5
6 31 +/- 0.5 +/- 1 1 28 +/- 0.5 +/- 1
7 29 +/- 0.5 +/- 1 2 26 +/- 0.5 +/- 1
8 27 +/- 0.5 +/- 1 3 24 +/- 0.5 +/- 1
9 25 +/- 0.5 +/- 1 4 22 +/- 0.5 +/- 1
10 23 +/- 0.5 +/- 1 5 20 +/- 0.5 +/- 1
11 21 +/- 0.5 +/- 1 6 18 +/- 0.5 +/- 1
12 19 +/- 0.5 +/- 1 7 16 +/- 0.5 +/- 1
13 17 +/- 0.5 +/- 1.5 8 14 +/- 0.5 +/- 1
14 15 +/- 0.5 +/- 1.5 9 12 +/- 0.5 +/- 1.5
15 13 +/- 0.5 +/- 1.5 10 10 +/- 0.5 +/- 1.5
16 11 +/- 0.5 +/- 1.5 11 8 +/- 0.5 +/- 1.5
17 9 +/- 0.5 +/- 1.5 12 6 +/- 0.5 +/- 1.5
18 7 +/- 1 +/- 2 13 4 +/- 0.5 +/- 1.5
19 5 +/- 1 +/- 2 14 2 +/- 1 +/- 2
Base -30 +/- 5 +/- 10 15 0 +/- 1 +/- 2
Base -30 +/- 5 +/- 10