Tx I/Q - Nokia NSW-5 Series Service Manual

NSW-5
Service Software Instructions
Tx I/Q... command
Activation
Alt, T,Q
This function is used for tuning TX I and Q branch DC offset and phase
offset.
The function opens same Start Tuning dialog as with TX Power Tuning.
Start Tuning With list box (ALT+S):
Current in PC memory
Phone EEPROM
The next automatic selections are made when this function is activated:
The TX I/Q Tuning dialog is opened.
TX I/Q Tuning includes the following items:
Tune TX I DC Offset scroll bar (ALT+I):
Tune TX Q DC Offset scroll bar (ALT+Q):
Tune Phase Difference scroll bar (ALT+P):
Page 32
Status Bar Text
Open TX I/Q Tuning dialog box
Tuning values are load from program's internal memory.
Tuning values are load from ME's EEPROM.
– Active Unit = TX
– Operation Mode = analog
– Low band
– Channel 190
– Power level 4
The DC Offset is shown as DAC value.
With this selection the I branch DC Offset is tuned.
The value range is –32...31.
The operation of this function is the same as one above, ex-
cept with this selection the Q branch DC Offset is tuned.
The value range is –32...31.
E Nokia Mobile Phones Ltd.
PAMS Technical Documentation
Issue 1 10/00