User Guide

RH-48

System Module CCS Technical Documentation

Contents

Transceiver RH-48......................................................................................................... 3

Introduction ..................................................................................................................3

Operational Modes .......................................................................................................3

Baseband Module ........................................................................................................3

UEM.......................................................................................................................... 4

BB-RF Interface Connections ......................................................................................6

UPP............................................................................................................................ 9

NOR Flash Memory and SRAM............................................................................. 10

User Interface Hardware ............................................................................................10

LCD......................................................................................................................... 10

Keyboard................................................................................................................. 10

Power Key............................................................................................................... 10

Lights....................................................................................................................... 10

Vibra........................................................................................................................ 11

Audio Hardware .........................................................................................................11

Earpiece................................................................................................................... 11

Microphone ............................................................................................................. 11

MIDI Speaker.......................................................................................................... 11

Audio Amplifier Interface....................................................................................... 12

Battery ........................................................................................................................12

Phone Battery.......................................................................................................... 12

Battery Connector ................................................................................................... 13

Accessories Interface .................................................................................................13

System connector .................................................................................................... 13

Charger IF ............................................................................................................... 15

Test Interfaces ............................................................................................................16

Production Test Pattern........................................................................................... 16

General Information about Testing ............................................................................18

Phone Operating Modes.......................................................................................... 18

RF Module .................................................................................................................19

Requirements........................................................................................................... 19

Antenna ................................................................................................................... 19

Transmitter .............................................................................................................. 19

Synthesizer .............................................................................................................. 20

Receiver................................................................................................................... 22