User Guide

RM-94

Nokia Customer Care 7 - System Module

4 COMPANY CONFIDENTIAL Issue 1 04/2005

Illumination....................................................................................................... 24

Test possibility ............................................................................................... 25

SIM................................................................................................................... 25

Test possibility ............................................................................................... 26

IR module......................................................................................................... 26

Interfaces ........................................................................................................... 27

BB-RF interface ............................................................................................... 27

System connector interface ............................................................................. 27

System connector .......................................................................................... 27

ACI ................................................................................................................. 28

FBUS ............................................................................................................. 28

VOUT ............................................................................................................. 28

DC plug .......................................................................................................... 29

RF Module Description..................................................................................... 30

General specifications of the transceiver......................................................... 31

Frequency concept .......................................................................................... 32

RF power supply configuration ........................................................................ 32

RF block diagram............................................................................................. 33

Antenna switch (TX/RX switch)........................................................................ 34

Receiver ......................................................................................................... 35

Transmitter ..................................................................................................... 35

Frequency synthesizer ................................................................................... 35

Signal paths ..................................................................................................... 36

Receiver signal paths ..................................................................................... 36

Transmitter signal paths ................................................................................. 38

Frequency synthesizer signals ....................................................................... 39

Printed Wiring Board ........................................................................................ 40

RF key component placement ......................................................................... 41