User Guide

CCS Technical Documentation 2 - System Module
RH-26
Issue 1 02/04 ©Nokia Corporation Page 3
Table of Contents
Page No
Glossary of Terms.......................................................................................................... 4
System Module .............................................................................................................. 7
Baseband ........................................................................................................................ 8
Technical summary ......................................................................................................8
Main technical specifications ......................................................................................9
DC characteristics ..................................................................................................... 9
Internal signals and connections ............................................................................. 12
External signals and connections ............................................................................ 13
Baseband functional description ................................................................................16
Modes of operation.................................................................................................. 16
Battery ..................................................................................................................... 17
Charging.................................................................................................................. 19
Supported chargers.................................................................................................. 21
Charger interface protection.................................................................................... 24
Power up and reset .................................................................................................. 24
A/D channels........................................................................................................... 25
Bluetooth................................................................................................................. 26
Keypads................................................................................................................... 27
LCD & keyboard illumination ................................................................................ 27
LCD......................................................................................................................... 29
IR module................................................................................................................ 29
Backup battery......................................................................................................... 29
SIM interface........................................................................................................... 30
System connector .................................................................................................... 31
Internal audio........................................................................................................... 34
Memory block ......................................................................................................... 35
RF interface block................................................................................................... 35
Security ......................................................................................................................36
After sales interface ...................................................................................................36
FBUS interface........................................................................................................ 36
MBUS Interface ...................................................................................................... 36
RF................................................................................................................................. 37
Main technical specifications ....................................................................................38
Nominal and maximum ratings............................................................................... 38
RF frequency plan................................................................................................... 38
DC characteristics ................................................................................................... 39
Typical current consumption................................................................................... 40
RF characteristics .......................................................................................................42
Channel numbers and frequencies........................................................................... 42
Main RF characteristics........................................................................................... 42
TX characteristics.................................................................................................... 42
RX characteristics ......................................................................................................43
RF block diagram ......................................................................................................43
Receiver .....................................................................................................................45
Transmitter .................................................................................................................46
Connections ...............................................................................................................46