User Guide

CCS Technical Documentation System Module and User Interface
Company confidential NPL-3
Issue 1 3/03 ãNokia Corporation. Page 3
Internal Microphone ................................................................................................32
Internal Speaker .......................................................................................................32
IHF Speaker & Stereo Audio Amplifier .................................................................33
Memory Block ...........................................................................................................34
Security ....................................................................................................................34
Clock distribution ......................................................................................................34
Audio Control ..........................................................................................................35
Accessory identification and Power Supply ............................................................35
Backup Battery ........................................................................................................36
RF Module Introduction ...............................................................................................37
RF Frequency Plan ....................................................................................................38
DC characteristics ......................................................................................................39
Regulators ................................................................................................................39
Typical current consumption ...................................................................................40
Power Distribution ..................................................................................................41
RF characteristics .........................................................................................................42
Channel Numbers and Frequencies .........................................................................42
Main RF characteristics ...........................................................................................42
Transmitter characteristics ......................................................................................42
Receiver characteristics ...........................................................................................43
RF Block Diagram ..................................................................................................43
RF Block Diagram NPL-3 .......................................................................................44
Frequency Synthesizers .............................................................................................45
Receiver .....................................................................................................................45
Transmitter .................................................................................................................45
Front End .................................................................................................................45
Power Amplifier ......................................................................................................46
RF ASIC Helgo .......................................................................................................47
AFC function ...........................................................................................................47
Antenna ..................................................................................................................47
User interface modules ..............................................................................................48
UI board WK4 .........................................................................................................48
Keyboard .................................................................................................................48
LCD .........................................................................................................................50
LCD & keypad illumination ....................................................................................51
Internal earpiece ......................................................................................................51
IHF ..........................................................................................................................51
Internal microphone ................................................................................................52
IR module ................................................................................................................52
Vibra ........................................................................................................................52
Pop-Port system connector ........................................................................................53