User Guide

TME-3
Tuning, Flashing and Final Testing Instructions PAMS Technical Documentation
Page 8 Nokia Corporation. Issue 3 10/03
TX tuning, step1: TXIQ tuning
Measurement equipment: Spectrum analyzer
Tuning procedure is similar with earlier products.
Select Maintenance => Tuning =>TxIQTuning
Figure 3: TxIQ tuning window
• Select "Load from product" => Start
• Click to slide control to activate it
• Use <-, ->,PgUporPgDnkeys
• Tune LO leak to minimum with TXI/TXQ DC offset control
• Tune wrong sideband to minimum using Amplitude/Phase difference controls
• Select "Save to product" => Stop
• TxIQ tuning must be performed for each band separately