Tuning Of Transmitter Power Levels - Nokia NSE-6 SERIES Service Manual

PAMS
Technical Documentation

3. Tuning of Transmitter Power Levels

This adjustment loads the power levels of the phone transmitter into the
EEPROM. When doing this, a pulse power meter or spectrum analyzer
must be used.
Power levels programming:
– Select Tuning –> TX Power...
– Select I/Q tuning values from PC's memory, phone's EEPROM or fac-
tory default values.
– Set power supply voltage 5.0 V to module jig (MJS–6).
– Connect pulse power meter or spectrum analyzer to antenna connec-
tor.
– Check that channel is 60.
– Adjust the power level (levels 5, 15 and 19) by clicking the + and –
buttons, and change levels with ↑ and ↓ keys.
Power level
5
15
19
Base
Note: If the base calculation feature is enabled, then the base level is
calculated automatically.
– Press Calculate button to calculate all other levels.
– Once all TX levels are correct, press SAVE button.
Original 08/98
Tuning P /dBm
OUT
(CH 60)
32.5
13.0
7.0
–25.0
NSE–6
Tuning Instructions
Page 11