Nokia 6110 서비스 매뉴얼

다운로드
페이지 15
PAMS
Technical Documentation
NSE–3
Tuning Instructions
Page  13
Original 11/97
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 8.4 V to service battery (or 3.6 V to jig).
 – 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
Tuning P
OUT
/dBm
(CH 60)
5
32.5
15
13.0
19
7.0
Base
–20.0
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.