Tx Power Level Tuning - Nokia NHL-2NA Series Troubleshooting Instructions

NHL-2NA

TX Power Level Tuning

• Power Meter with peak power sensor (or Spectrum analyzer) needed
• With Tx Power Level Tuning, the coefficients are adjusted for each power level
• Must be done separately on both bands!
• Start Power Level tuning at EGSM (GSM900), then continue at GSM1800 band.
• In EGSM900 band The power level tuning is made for both high and low PA
Modes
• In GSM1800 band only for high PA mode.
• Maintenance => Tuning => Tx power level tuning
• Remember to take jig and cable attenuations into account!
• Select "Start" => "Load from: Permanent memory" => "OK "
• Note that TX PA mode is "High" at this point.
Page 42 ¤Nokia Corporation
CCS Technical Documentation
Issue 1 07/02