RH-18/38 Company confidential
CCS Technical Documentation
Page 50 Nokia Corporation. Issue 1 10/03
RH-18/38 Manual Alignment using 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 per-
formed 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
Select Automatic and follow the promts
The result should be like the shown:
Figure 48: RX calibration window