Nokia NHM-7 Series Troubleshooting Manual page 66

NHM-7
Troubleshooting and Tuning Instructions
• The tuning is done by setting each of the sliders to desired value. The sliders
can be changed only when the tuning is ongoing.
• The order of tuning should be same as the order of the sliders e.g. the Tx I DC
Offset is tuned first and Phase difference is tuned last.
• Use <=, =>, PgUp or PgDn keys
• Set spectrum analyzer center frequency to 897.4 MHz, span 200kHZ, RBW
and VWB 3kHz and sweeptime to 2 seconds
• Tune LO leak to minimum with TXI/TXQ DC offset control (f0 on spectrum
analyzer screen)
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PAMS Technical Documentation
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