Tuning Steps - Nokia NSM-3 Series Tuning Instructions

PAMS Technical Documentation

Tuning Steps

NOTE: All RF Tunings are made in Test Jig MJS–9.
1. RX Filter Calibration
BB–filter tuning is fully internal operation. External signal generators etc. are
not needed, only command for phone to execute filter calibration procedure.
NOTE: RX Filter Calibration is needed when N505 has been changed.
2. RX Calibration (AGC + AFC)
Procedure
Follow the steps described in chapter "Service Software Instructions" sec-
tion "RX calibration... command".
The measurement is done in five steps: 1. User is requested to put signal
generator to high input level (read from .INI file).
Issue 4 02/2002
E Nokia Mobile Phones Ltd.
NSM–3/3D
Tuning Instructions
Page 13