Alignment; Nhm-8Nx Manual Align With Phoenix; Rx Calibration - Nokia NHM-8NX Series Troubleshooting Instructions

PAMS Technical Documentation

Alignment

NHM-8NX manual align with Phoenix

In Phoenix select connection Fbus and Product Gemini. If you power up the board before
selecting Fbus, it works without any error messages. Use Jig or other device for RF and
bus connection. Attenuation in the probe alone is 0.5dB for 900 and 1dB for 1800. Use
CMD55 or other suitable device. Default channels are 37 for GSM900 and 700 for
GSM1800. The alignments and calibrations must be performed in the order shown to
give reliable results.
The way to save data to the phone and to load data from the phone is made different in
the various tunings. Always look what is shown in the windows regarding these issues
and act accordingly.
To vary a selected parameter you can use + and – key or in some cases directly type the
new value. + and – steps the value for every press. Repeat function seems not to work. In
I/Q you can use the side arrows.

RX calibration

Select Maintenance, Tuning, RX Calibration
Select Band: GSM 900
The result should be like the shown:
Issue 1 05/02
ãNokia Corporation
NHM-8NX
Troubleshooting Instructions
Page 47