Amendment Record Sheet

Amendment Number

Date

Inserted By

Comments

04/02

OJuntunen

Technical Documentation CONTENTS -Troubleshooting

3. RF+System Module KL8

Page No

Abbreviations 3 - 6

Technical Summary of System Part 3 - 10

Block Diagram 3 - 11

Electrical Characteristics 3 - 12

Power Supply 3 - 12

System Connector 3 - 13

Battery Connector 3 - 14

Backup battery connector 3 - 15

SIM card connector 3 - 15

MMC Connector 3 - 16

Infrared interface 3 - 16

Functional Description 3 - 24

Modes of Operation 3 - 24

Clocking Scheme 3 - 24

Power Control and Reset 3 - 25

Power Distribution 3 - 25

Resets and Watchdogs 3 - 28

System to interface 3 - 30

MEMORIES block 3 - 30

XIP Memories 3 - 30

SDRAM Memory 3 - 31

Phone LCD Interface 3 - 32

Keyboard Interface 3 - 32

Earpiece and HF Speaker lines 3 - 33

Battery removal signal 3 - 33

SYSCON block 3 - 33

Serial connections 3 - 34

External Audio Interface 3 - 34

Charger Interface 3 - 34

3. RF+System Module KL8 Technical Documentation

POWER block 3 - 35

Use of CCONT ADC channels 3 - 36

Introduction to RF of KL8 3 - 39

Maximum ratings 3 - 39

RF frequency plan 3 - 39

DC characteristics 3 - 39

Regulators 3 - 39

Control signals 3 - 40

Power distribution diagram 3 - 42

RF characteristics 3 - 43

Transmitter characteristics 3 - 43

Receiver characteristics 3 - 44

Functional descriptions 3 - 45

RF block diagram 3 - 45

Frequency synthesizer 3 - 47

Transmitter 3 - 47

AGC strategy 3 - 48

AFC function 3 - 48

Antenna switch 3 - 49

RX-FILTERS 3 - 49

Receiver blocks 3 - 50

RX EGSM900/DCS1800 DUALBAND SAW FILTER . . . . 3 - 50

EGSM Pre-amplifier (LNA) 3 - 50

DCS1800 Pre-amplifier (LNA) 3 - 51

Transmitter blocks 3 - 51

IQ-modulator and TX-AGC in HAGAR IC 3 - 51

Diplexer 3 - 52

TX-buffer and 3dB attenuator 3 - 53

Dual-band power amplifier 3 - 53

Directional coupler 3 - 54

Power detector 3 - 54

Synthesizer blocks 3 - 54

VCTCXO, reference oscillator 3 - 54

Connections 3 - 56

Technical Documentation 3. RF+System Module KL8

Antenna 3 - 56

RF connector and antenna switch 3 - 56

RF-System interface 3 - 56

Timings 3 - 60

Transmit power Timing 3 - 60

Synthesizer clocking 3 - 60

S. RF+System Module KLB Technical Documentation

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