Nokia 3220 サービスマニュアル

Nokia Customer Care

System Module

RH-37

Issue 1 07/04

Nokia Corporation

Page 9

UPP 

Universal Phone Processor

USB Universal 

Serial 

Bus

VBU

<COFF>

Back-up Battery Cut Off voltage (typical: 2.0 V)

VCO

Voltage controlled oscillator

VCTCXO

Voltage controlled temperature compensated oscillator

V

<MSTR+>

  

Master Reset Threshold (typical: 2.1 V)

8-PSK

Phase Shift Keying with 8 states (Modulation scheme for EDGE/EGPRS)