Frequency Mappings; Gsm850 Frequencies - Nokia n80 User Manual

RM-91; RM-92
System Module Nokia Customer Care
Reference oscillator
A 38.4MHz VCTCXO is used as a reference oscillator for the frequency synthesizers.
The frequency of the reference oscillator is locked into the frequency of the base station with the help of an
AFC voltage, which is generated in BB by DSP and converted by dedicated DAC.

Frequency mappings

GSM850 frequencies

Issue 1 COMPANY CONFIDENTIAL Page 9 –47
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