Nokia NSB-7 Series Service Manual page 215

PAMS Technical Documentation
(CHF) to minimum.
• Select the "TX Q DC offset" option and adjust the level of the CHF again to mini-
mum.
• After finding both minima change "TX I DC offset" by step or two from the cur-
rent value to both directions to see, whether better minimum can be found for
CHF.
• Select the "Amplitude Difference" option and adjust the level of the CHF +67.71
kHz again to minimum.
• After al the minima have been found press "Save" button to store the value to
phone EEPROM.
Targets:
The level of the centre frequency CHF should be at least 30 dB down to the wanted side-
band CHF -67.71 kHz.
The level of the unwanted sideband CHF +67.71 kHz should be at least 35 dB down to
the wanted sideband CHF -67.71 kHz.
6. Energy Management Calibration
See section "Tuning - Energy Management Calibration... command" for further informa-
tion.
Issue 1 06/00 ãNokia Mobile Phones Ltd.
Service Software Instructions
NSB-7
Page 109